The Official ASE Study Guide ASE Automobile Tests · The Official ASE Study Guide ASE Automobile ... The Official ASE Study Guide of Automobile Tests is intended to help technicians

Includes lIght VehIcle/cng, exhaust systems, auto serVIce consultant tests!

The Official ASE Study Guide

ASE Automobile Tests

ASE AutomobilE tEStS

Table of Contents

Overview ..................................................................................... 3–8

Automobile Tests ........................................................................ 9–63 • EngineRepair(TestA1) ..................................................................9 • AutomaticTransmission/Transaxle(TestA2) ...............................15 • ManualDriveTrainandAxles(TestA3) ......................................20 • SuspensionandSteering(TestA4) ...............................................26 • Brakes(TestA5) ............................................................................33 • Electrical/ElectronicSystems(TestA6) .......................................40 • HeatingandAirConditioning(TestA7) .......................................46 • EnginePerformance(TestA8) ......................................................51 • LightVehicleDieselEngines(TestA9) ........................................58

Service Consultant Test ............................................................ 64–68 • AutomobileServiceConsultant(TestC1) ....................................64

Alternate Fuels Test ................................................................. 69–73 • CompressedNaturalGasVehicle(TestF1) ..................................69

Specialty Tests .......................................................................... 74–78 • ExhaustSystems(TestX1) ...........................................................74 Test Prep & Training ...................................................................... 79

ASE AutomobilE Study GuidE PAGE 3

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IntroductionTheOfficial ASE Study Guide of Automobile TestsisintendedtohelptechniciansstudyfortheASEcertificationtests.Theinformationinthisbookletcoversthetechnologyfoundinmostalloftoday’sautomobiles,sportutilityvehicles,andlighttrucks.Thespecificinformationabouteachtest,foundinthefollowingpages,shouldprovetobeausefultoolforreviewingthetechnicalknowledgethatiscoveredintheAutomobiletests.Afterperformingathoroughreview,itshouldbeeasiertoselectadditionalreferencematerialthatwillassistyouwithyourtestpreparationneeds. ASEvoluntarycertificationisameansthroughwhichtechnicianscanprovetheirabilitiestothemselves,totheiremployers,andtotheircustomers.Bypass-ingASEtestsyouwillearnthemostvaluablecredentialavailabletoautomotivetechnicians.Becausethetestsaretough,you’llhavethesatisfactionofprovingtoyourselfthatyouareamongtheeliteinyourprofession.What’smore,thesecredentialsarerecognizedthroughoutthenation. Certifiedtechnicianspromotecustomertrustandimprovetheimageoftheindustry.Andtrustandprofessionalismarethefirststepstoabetter,morepros-perousbusiness. ASEencouragesyoutotakethetestsandtojointheprovenproswhoweartheASEBlueSealofExcellence®.

How Do I Become Certified?ThereareninetestsintheAutomobileTechniciancertificationseries.Ifyoupassoneormoretests,andhaveatleasttwoyearsofhands-onworkingexpe-rienceinautomotiverepair,youwillbecomecertifiedasanASEAutomobileTechnician. IfyoupasstestsA1throughA8andmeettheexperiencerequirement,youwillearnthecertificateofMasterAutomobileTechnician.Note:TestA9isnotrequiredforMasterAutomobileTechnicianstatus.(Appropriatevocationaltrainingmaybesubstitutedforuptooneyearofworkexperience.) IfyouarecurrentlycertifiedinDieselEngines(A9,H2,S2,orT2) andElectrical/ElectronicSystems(A6,H6,S6,orT6),youareeligibletotaketheL2ElectronicDieselEngineDiagnosisSpecialisttest. Ifyoufailatest,youmaytakeitagainduringanysubsequenttestwindowinwhichitisoffered.Andremember,youaretheonlyonewhowillreceiveyour

PAGE 4 ASE AutomobilE Study GuidE

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testsscores;resultswillnotbegivenoverthephonenorwilltheybereleased toanyonewithoutyourwrittenpermission. ThisStudyGuidecontainsTestSpecifications,tasklists,andsample questionsforthefollowingASEtests: • Automobile Tests:EngineRepair(TestA1);AutomaticTransmission/

Transaxle(TestA2);ManualDriveTrainandAxles(TestA3);SuspensionandSteering(TestA4);Brakes(TestA5);Electrical/ElectronicSystems (TestA6);HeatingandAirConditioning(TestA7);EnginePerformance(TestA8);andLightVehicleDieselEngines(TestA9)

• Service Consultant Test: AutomobileServiceConsultant(TestC1) • Alternate Fuels:CompressedNaturalGasVehicle(TestF1) • Specialty Tests:ExhaustSystems(TestX1) YouwillbecomeanUndercarSpecialistwhenyoupasstheXItestandmeetthefollowingrequirements.Youmustbecurrentlycertified(includingthetwo-yearexperiencerequirement)intheASESuspensionandSteering(A4)andBrakes(A5)areasBEFOREyouwillbepermittedtoregisterandtaketheX1test.IfyourA4and/orA5certificationhasexpired,youmayNOTregisterfortheX1testuntilafteryouhaverenewedyourA4andA5certification. ASEalsoofferscertificationinMedium/HeavyTruck,TruckEquipment,SchoolBus,TransitBus,CollisionRepair/Refinish,PartsSpecialist,and AdvancedLevelspecialties.SeparateStudy Guidesareavailable. ForfullinformationonASEtestingaswellasdownloadableStudy Guides,othertestpreparationresources,andmore,visitwww.ase.com.

Who Writes the Questions?Thequestions,writtenbyserviceindustryexpertsfamiliarwithallaspectsofautomobilerepair,areentirelyjob-related.Theyaredesignedtotesttheskillsthatyouneedtoknowinservicingautomobiles;theoreticalknowledgeisnotcovered. EachquestionhasitsrootsinanASE“item-writing”workshopwhereservicerepresentativesfromautomobilemanufacturers(domesticandimport),aftermarketpartsandequipmentmanufacturers,workingtechniciansandvoca-tionaleducatorsmeetinaworkshopsettingtoshareideasandtranslatethemintotestquestions.Eachtestquestionwrittenbytheseexpertsmustsurvivereviewbyallmembersofthegroup.Thequestionsarewrittentodealwithpracticalprob-lemsofdiagnosisandrepairexperiencedbytechniciansintheirday-to-daywork. Fromthere,allquestionsarepre-testedandquality-checkedonanationalsampleoftechnicians.ThosequestionsthatmeetASEstandardsofqualityandaccuracyareincludedinthescoredsectionsofthetests;the“rejects”aresentbacktothedrawingboardordiscardedaltogether.



Certification Recertification Tests Tests

Number of Testing Number of Testing Test Name questions* time questions time

Automobile/Light Truck Tests

A1 EngineRepair 60 1¼hrs. 25 30min.

A2 AutomaticTransmission/Transaxle 60 1¼hrs. 25 30min.

A3 ManualDriveTrainandAxles 50 1hr. 20 30min.

A4 SuspensionandSteering 50 1hr. 20 30min.

A5 Brakes 55 1¼hrs. 23 30min.

A6 Electrical/ElectronicSystems 60 1½hrs. 25 45min.

A7 HeatingandAirConditioning 60 1¼hrs. 25 30min.

A8 EnginePerformance 60 1¼hrs. 25 30min.

A9 LightVehicleDieselEngines 60 1¼hrs. n/a n/a

Service Consultant Test

C1 AutomobileServiceConsultant 60 1¼hrs. 25 30min.

Alternate Fuels Test

F1 CompressedNaturalGasVehicles 65 1½hrs. 28 45min.

Specialty Tests

X1 ExhaustSystems 50 1hr. 20 30min.

*ASEcertificationtestsusuallyincludetenadditionalresearchquestionsthatarenotcounted forscore.Youwillnotbetoldwhichquestionstheseare,soyoushouldanswereveryquestion. NoresearchquestionsareaddedtoRecertificationTests.Youareonlyeligibletotakethe RecertificationTestwhenyouhavepreviouslypassedthecorrespondinginitialcertificationTest.

How Do I Prepare for the ASE Tests?Becomefamiliarwithtestcontentandquestionformat:TheTestSpecificationsinthisbookletcontainasummarydescriptionofthecontentcoveredbyeachtest.TheTaskListsdescribetheactualworkperformedbytechniciansineachspecialtyarea.Together,theseforma“blueprint”forwritingandassembling theASEtests.

ASE Tests 2012

How Long are the Tests?



Pleasenotethateachquestiononthetestiskeyed,orlinked,toaparticulartaskorsetoftasksinthetasklist.Therefore,areviewofthetasklists,withaneyetojudgingwhetheryouknowhowtoperformeachtasklisted,willprovideyouvaluableinformationasyouprepareforthetests. Therearefivetypesofmultiple-choicequestionsonthetests,eachofwhichisincludedinthesamplequestionsinthisbooklet.Notethedifferentinstructionsforeachquestiontype. Besuretoreadeachquestioncarefully,(twice,ifnecessary)sothatyouunderstandexactlywhatisbeingasked.Each question tests a specific diagnostic or repair problem and has only one correct answer. Tosummarize,wesuggestthefollowingstepsbetaken: Step 1. Studythecontentlistforeachtestyouwillattempt. Step 2. Carefullyreadthetasklistforeacharea. Step 3. Gooverthesamplequestionstobecomefamiliarwitheachquestion type.Thisisveryimportant. Step 4. Reviewsteps1through3andidentifytheskillarea(s)whereyouneed additionalstudy.

Types of Knowledge Measured By the TestsThetypesofknowledgeandskillsyouwillneedtoknowtopassthetestsareasfollows:• Basic technical knowledge:Testsyourknowledgeofwhatisinasystemandhowthesystemworks,andwhataretheproperproceduresandprecautionstobefollowedinmakingrepairsandadjustments.

• Service or repair knowledge and skill:Testsyourunderstandingandabilitytoapplygenerallyacceptedrepairproceduresandprecautionsinassembly,disassembly,andreconditioningoperations;and inmaking inspectionsandadjustments.Alsotestsyourabilitytouseshopmanualsandprecisiontoolsofthetrade.

• Testing and diagnostic knowledge and skill:Testsyourabilitytorecognizeproblemsandtousegenerallyavailablemeasurementandtestingequipmenttomakeadiagnosis.Alsotestsyourabilitytotracetheeffectsofaparticularconditionandfindthecauseofaparticularsetofsymptoms.

Ifyouareanexperiencedandknowledgeabletechnician,acarefulreviewofthisbooklet,andadditionalbrush-uponthoseareasinwhichyouareweakest,isallyoushouldneedtopasstheASEtests.



Before The TestsTrytobewell-restedforthetestsoyouwillbealertandefficient.BesuretobringalongyourtestcenteradmissionticketandacurrentphotoI.D.Lockerswillbeprovidedforpersonalitems,includingcellphones.

At the Test Center—Some TipsArriveearlyenoughtoparkandfindtheTestCenteroffice.LatearrivalsmaybeturnedawaybytheTestCenterstaff.Ifyoucannottakeatestbecauseyouarelate,youwillforfeityourtestfees. BringyourAdmissionTicketandphotoIDwithyou.Books,calculators,andotherreferencematerialwillnotbepermittedinthetestroom.Youwillbeassignedalockertostoreallyourpersonalitems(cellphone,coat,hat,etc.) Noelectronicdevicesareallowedinthetestroom. Youwillreceivescratchpaperandpencils,andifyouaretakingan AdvancedLeveltest,aCompositeVehiclebooklet.Onceyouareseated, thesupervisorwillexplainhowtousethecomputerandmouse.Eachtest appointmentbeginswithashorttutorialthatwillhelpyoubecomefamiliar withtheoperationofthecomputer-basedtest.Youcanalsopreviewthesystemonlineatwww.ase.com/cbtbeforeyougototakeyourtest. Eachtesthasaspecifictimelimit,aslistedearlier.Asyoutakeeachtest, thecomputerscreenwillcontinuouslydisplaytheamountoftimeleft.Youcantakeabreakifnecessary,buttheclockwillcontinuetorun.Ifyoufinishearly,youmayreviewyouranswersorcontinuetothenexttest,ifyourappointmentincludesmultipletests.Onceyousubmitatestforscoring,youcannotgobackandreviewit. Ifaquestionisdifficult,marktheanswerthatyouthinkiscorrectand flagthequestionusingtheon-screenbutton.Thengoontothenextquestion.Whenyouhavefinishedthetest,youmayhavetimetogobacktothosequestionsyouhaveflagged.Yourscoreisbasedonthenumberofcorrectanswersthatyougive,soitistoyouradvantagetoanswereveryquestion. Whenyoufinishyourlasttest,youwillbegivenashortcustomersatisfac-tionsurvey.Whenyoucompleteit,youcanreporttothestaffandreceiveyourscorereports.


Test Content and Sample QuestionsThefollowingmaterialisdesignedtohelptechnicianspreparefortheASE certificationtests. EachsectionbeginswiththeTestSpecifications,whichwilllistthemaincategoriescoveredonthatparticulartestandthenumberoftestquestionsandpercentageofthetestdevotedtoeachtopic. TheTaskListdescribestheworkactivitiesatechnicianshouldbeabletoperformineachtechnicalareacoveredonthattest.Thislistwasdevelopedbyworkingtechniciansandtechnicalexpertsfromacrossthecountryandwill provideavaluablechecklistofwhattostudyforthetest. Thesetaskdescriptionsofferdetailedinformationtotechnicianspreparingforthetestandtopersonswhomaybeinstructingtechnicians.Thetasklistsmayalsoserveasguidelinesforquestionwriters,reviewers,andtestassemblers. Itshouldalsobenotedthatthenumberofquestionsineachcontentareamaynotequalthenumberoftaskslisted.Someofthetasksarecomplexandbroadinscopeandmaybecoveredbyseveralquestions.Othertasksaresimpleandnarrowinscopeandonequestionmaycoverseveraltasks.Themainobjectiveinlistingthetasksistodescribeaccuratelywhatisdoneonthejob,nottomakeeachtaskcorrespondtoaparticulartestquestion. Samplequestionsfollow.Althoughthesesamequestionswillnotappearonactualtests,theyareinthesameformatasactualtestquestions.Allfivetypesofmultiple-choicequestionsusedontheASEtestsarerepresentedhere.Notethedifferentinstructionsforsomequestions.



tESt SpEcificAtionS And tASk liStEnginE rEpAir (tESt A1)

Content Questions Percentage Area in Test of Test A. General Engine Diagnosis 15 30% B. Cylinder Head and Valve Train Diagnosis and Repair 10 20% C. Engine Block Diagnosis and Repair 10 20% D. Lubrication and Cooling Systems Diagnosis and Repair 8 16% E. Fuel, Electrical, Ignition, and Exhaust Systems Inspection and Service 7 14%

Total 50 100%

A. General Engine Diagnosis (15 questions) 1. Verifydriver’scomplaintand/orroadtestvehicle;determinenecessaryaction. 2. Determineifno-crank,cranksbutwillnotstart,orhardstartingconditionisan

enginemechanicalproblem,oriscausedbyanothervehiclesubsystem. 3. Inspectengineassemblyforfuel,oil,coolant,andotherleaks;determinenecessary

action. 4. Isolateenginenoisesandvibrations;determinenecessaryaction. 5. Diagnosethecauseofexcessiveoilconsumption,coolantconsumption,unusual

engineexhaustcolor,andodor;determinenecessaryaction. 6. Performenginevacuumtests;determinenecessaryaction. 7. Performcylinderpowerbalancetests;determinenecessaryaction. 8. Performcylindercrankingcompressiontests;determinenecessaryaction. 9. Performcylinderleakagetests;determinenecessaryaction.

B. Cylinder Head and Valve Train Diagnosis and Repair (10 questions) 1. Removecylinderheads,disassemble,clean,andprepareforinspection. 2. Visuallyinspectcylinderheadsforcracks,warpage,corrosion,leakage,andthe

conditionofpassages;determineneededrepairs. 3. Inspectandrepairdamagedthreadswhereallowed;installcoreandgalleryplugs. 4. Inspect,test,andverifyvalvespringsforsquareness,pressure,andfreeheight

comparison;replaceasnecessary. 5. Inspectvalvespringretainers,rotators,locks/keepers,andlockgrooves. 6. Replacevalvestemseals. 7. Inspectvalveguidesforwear;checkvalvestem-to-guideclearance;determine

neededrepairs.


A1 tASk liSt (continuEd)

8. Inspectvalvesandvalveseats;determineneededrepairs. 9. Checkvalvespringinstalled(assembled)heightandvalvestemheight;determined

neededrepairs.10. Inspectpushrods,rockerarms,rockerarmpivots,andshaftsforwear,bending,

cracks,looseness,andblockedoilpassages;repairorreplaceasrequired.11. Inspectandreplacehydraulicormechanicallifters/lashadjusters.12. Adjustvalvesonengineswithmechanicalorhydrauliclifters.13. Inspectandreplacecamshaft(s)(includescheckingdrivegearwearandbacklash,

endplay,sprocketandchainwear,overheadcamdrivesprocket(s),drivebelt(s),belttension,tensioners,camshaftreluctorring/tone-wheel,andvariablevalvetimingcomponents).

14. Inspectandmeasurecamshaftjournalsandlobes;measurecamshaftlift.15. Inspectandmeasurecamshaftboreforwear,damage,out-of-round,andalignment;

determineneededrepairs.16. Inspectvalvetiming;timecamshaft(s)tocrankshaft.17. Inspectcylinderheadmatingsurfaceconditionandfinish,reassembleandinstall

gasket(s)andcylinderhead(s);replace/torqueboltsaccordingtomanufacturers’procedures.

C. Engine Block Diagnosis and Repair (10 questions) 1. Removeanddisassembleengineblock;cleanandpreparecomponentsforinspection

andreassembly. 2. Visuallyinspectengineblockforcracks,corrosion,theconditionofpassages,core

andgalleryplugholecondition,surfacewarpage,andsurfacefinishandcondition;determinenecessaryaction.

3. Inspectandrepairdamagedthreadswhereallowed;installcoreandgalleryplugs. 4. Inspectandmeasurecylinderwalls;honeandcleancylinderwalls;determineneed

forfurtheraction. 5. Inspectcrankshaftforendplay,journaldamage,keywaydamage,thrustflangeand

sealingsurfacecondition,andvisualsurfacecracks;checkoilpassagecondition;measurejournalwear;checkcrankshaftreluctorring/tonewheel(whereapplicable);determinenecessaryaction.

6. Inspectandmeasuremainbearingboresandcapalignment;markcapsforlocationanddirection.

7. Installmainbearingsandcrankshaft;checkbearingclearancesandendplay; replace/torqueboltsaccordingtomanufacturers’procedures.

8. Inspectcamshaftbearingsforexcessivewearandalignment;replacebearingsifnecessary;installcamshaft,timingchainandgears;checkendplay.

9. Inspectauxiliary(balance,intermediate,idler,counterbalance,orsilencer)shaft(s),drive(s)/gear(s),andsupportbearingsfordamageandwear;timebalanceshafttocrankshaft;determinenecessaryaction.

10. Inspect,measure,service,orreplacepistonsandpiston/wristpins;identifypistonandbearingwearpatternscausedbyconnectingrodalignmentproblems;determinenecessaryaction.

11. Inspectconnectingrodsfordamage,borecondition,andpinfit;determinenecessaryaction.



12. Inspect,measure,andinstallorreplacepistonrings;assemblepistonandconnectingrod;installpiston/rodassembly;checkbearingclearanceandsideplay;install connectingrodbearings;replace/torquefastenersaccordingtomanufacturers’ procedures.

13. Inspect,reinstall,orreplacecrankshaftvibrationdamper(harmonicbalancer).14. Inspectcrankshaftflangeandflywheelmatingsurfaces;inspectandreplace

crankshaftpilotbearing/bushing(ifapplicable);inspectflywheel/flexplatefor cracksandwear(includesflywheelringgear);measureflywheelrunout;determinenecessaryaction.

15. Inspectandreplacepansandcovers.16. Assembletheengineusinggaskets,seals,andformed-in-place(tube-applied)seal-

ants,threadsealers,accordingtomanufacturers’specifications;reinstallengine.

D. Lubrication and Cooling Systems Diagnosis and Repair (8 questions) 1. Diagnoseenginelubricationsystemproblems;performoilpressuretests;determine

necessaryaction. 2. Disassembleandinspectoilpump(includesgears,rotors,housing,andpick-up

assembly);measureoilpumpclearance;inspectpressurereliefdevicesandpumpdrive;determinenecessaryaction.

3. Inspect,test,andreplaceinternalandexternalengineoilcoolers. 4. Fillcrankcasewithoilandinstallengineoilfilter. 5. Performcoolingsystempressuretests;performcoolantdyetest;determinenecessary

action. 6. Inspectandtestradiator,heatercore,pressurecap,andcoolantrecoverysystem;

replaceasrequired. 7. Inspect,replace,andadjustdrivebelt(s),tensioner(s),andpulleys. 8. Inspectandreplaceenginecoolingsystemandheatersystemhoses,pipesandfittings. 9. Inspect,test,andreplacethermostat,coolantby-pass,andthermostathousing.10. Inspectandtestcoolant;drain,flush,andrefillcoolingsystemwithrecommended

coolant;bleedairasrequired.11. Inspectandreplacewaterpump.12. Inspectandtestfan(bothelectricalandmechanical),fanclutch,fanshroud,airdams,

andcoolingfanelectricalcircuits;repairorreplaceasrequired.13. Verifyproperoperationofenginerelatedwarningindicators.

E. Fuel, Electrical, Ignition, and Exhaust Systems Inspection and Service (7 questions) 1. Inspect,cleanorreplacefuelinjectionsystemcomponents,intakemanifold,and

gaskets. 2. Inspect,serviceorreplaceairfilters,filterhousings,andintakeductwork. 3. Inspectturbocharger/supercharger;determinenecessaryaction. 4. Testenginecrankingsystem;determineneededrepairs. 5. Inspectandreplacecrankcaseventilationsystemcomponents. 6. Inspectandinstallignitionsystemcomponents;adjusttiming. 7. Inspectanddiagnoseexhaustsystem;determineneededrepairs.


Questions:

1. TechnicianAsaysthatpartXshown isusedtorotatethevalvespring. TechnicianBsaysthatpartXshownaboveisusedtocorrectinstalledspringheight. Whoisright?

(A)Aonly *(B)Bonly (C)BothAandB (D)NeitherAnorB 2. Acompressiontestshowsthatonecylinderistoolow.Aleakagetestonthat

cylindershowsthatthereistoomuchleakage.Duringthetest,aircouldbeheardcomingfromthetailpipe.Whichofthesecouldbethecause?

(A)Brokenpistonrings (B)Abadheadgasket (C)Abadexhaustgasket *(D)Anexhaustvalvenotseating 3. TechnicianAsaysthatmainbearingoilclearancecanbecheckedwith

plastigage. TechnicianBsaysthatmainbearingoilclearancecanbecheckedwith afeelergauge. Whoisright?

*(A)Aonly (C)BothAandB (B)Bonly (D)NeitherAnorB 4. Anengineisusingtoomuchoil.

TechnicianAsaysthatwornvalveguidescouldbethecause. TechnicianBsaysthattaperedcylinderwallscouldbethecause. Whoisright?

(A)Aonly *(C)BothAandB (B)Bonly (D)NeitherAnorB

SAmplE QuEStionS EnginE rEpAir (tESt A1)


5. Acompressiontesthasbeenmadeonanin-line4-cylinderengine.Cylinders2and3havereadingsof10psi.Cylinder1hasareadingof140psiandcylinder4hasareadingof145psi. TechnicianAsaysthatthesereadingscouldbecausedbyablownheadgasket.TechnicianBsaysthatthesereadingscouldbecausedbywrongvalvetiming.Whoisright?

*(A)Aonly (B)Bonly (C)BothAandB (D)NeitherAnorB

6. Todeterminepiston-to-cylinderwallclearance,thediameterofthepistonshownaboveshouldbemeasuredat:

(A)W. (B)X. *(C)Y. (D)Z. 7. Whichofthesewouldmostlikelycauseafuel-injectedenginetohavelow

fuelpressure? *(A)Acloggedfuelfilter (B)Acloggedfuelinjector (C)Arestrictedfuelreturnline (D)Astuck-closedfuelpressureregulator

X

Z

Y

W

X

Y

Z

W

A1 SAmplE QuEStionS (continuEd)


8. TechnicianAsaysthatthesetupshownabovecanbeusedtocheck cylindertaper. TechnicianBsaysthatthesetupcanbeusedtocheckcylinderout-of-round.Whoisright?

(A)Aonly *(C)BothAandB (B)Bonly (D)NeitherAnorB 9. Thepressureandvolumetestsonamechanicalfuelpumparebothbelow

specs. TechnicianAsaysthatanairleakinthefuellinebetweenthetankand pumpcouldbethecause. TechnicianBsaysthatapluggedfueltankpickupfiltercouldbethecause.Whoisright?

(A)Aonly *(C)BothAandB (B)Bonly (D)NeitherAnorB Question 10 is not like the ones above. IthasthewordLEAST.Forthisquestion,lookforthechoicethatwould

LEAST LIKELYcausethedescribedsituation.Readtheentirequestioncare-fullybeforechoosingyouranswer.

10. TheLEASTlikelycauseofabentpushrodis: (A)excessiveenginerpm. (B)astickingvalve. *(C)excessivevalveguideclearance. (D)awornrockerarmstud.



tESt SpEcificAtionS And tASk liStAutomAtic trAnSmiSSion/trAnSAxlE (tESt A2)

Content Questions Percentage Area in Test of Test A. General Transmission/Transaxle Diagnosis 25 50% 1. Mechanical/Hydraulic Systems (11) 2. Electronic Systems (14) B. In-Vehicle Transmission/Transaxle Maintenance and Repair 12 24% C. Off-Vehicle Transmission/Transaxle Repair 13 26% 1. Removal and Installation (4) 2. Disassembly and Assembly (5) 3. Friction and Reaction Units (4)

Total 50 100%

A. General Transmission/Transaxle Diagnosis (25 questions)

1. Mechanical/Hydraulic Systems (11 questions) 1. Roadtestthevehicletoverifymechanical/hydraulicsystemproblemsbasedon

driver’sconcern;determinenecessaryaction. 2. Diagnosenoise,vibration,harshness,andshiftqualityproblems;determinenecessary

action. 3. Diagnosefluidloss,type,level,andconditionproblems;determinenecessaryaction. 4. Performpressuretests;determinenecessaryaction. 5. Performstalltests;determinenecessaryaction. 6. Performtorqueconverterclutch(lock-upconverter)mechanical/hydraulicsystem

tests;determinenecessaryaction.

2. Electronic Systems (14 questions) 1. Roadtestthevehicletoverifyelectronicsystemproblemsbasedondriver’sconcern;

determinenecessaryaction. 2. Performpressuretestsontransmissionsequippedwithelectronicpressurecontrol;

determinenecessaryaction. 3. Performtorqueconverterclutch(lockupconverter)electronicsystemtests;

determinenecessaryaction.



4. Diagnoseelectronictransmissioncontrolsystemsusingappropriatetestequipment,serviceinformation,technicalservicebulletins,andschematics;diagnoseshorts,grounds,opens,andresistanceproblemsinelectrical/electroniccircuits;determinenecessaryaction.

5. Verifyproperoperationofchargingsystem;checkbattery,connections,and power/groundcircuits.

6. Differentiatebetweenengineperformance,orothervehiclesystems,and transmission/transaxlerelatedproblems;determinenecessaryaction.

7. Diagnoseshiftqualityconcernsresultingfromproblemsintheelectronict ransmissioncontrolsystem;determinenecessaryaction.

B. In-Vehicle Transmission/Transaxle Maintenance and Repair (12 questions) 1. Inspect,adjust,andreplacemanualvalveshiftlinkage,transmissionrange

sensor/switch,andpark/neutralpositionswitch(inhibitor/neutralsafetyswitch). 2. Inspect,adjust,andreplacecablesorlinkagesforthethrottlevalve(TV)and

acceleratorpedal. 3. Inspectandreplaceexternalsealsandgaskets. 4. Inspectandreplacedriveshaftyoke,driveaxlejoints,andbushings,andseals. 5. Checkconditionandoperationofenginecoolingsystem;inspecttransmissioncooler,

linesandfittings. 6. Inspectvalvebodymatingsurfaces,bores,valves,springs,sleeves,retainers,

brackets,checkballs,screens,spacerplates,andgaskets;replaceasnecessary. 7. Torquevalvebodyfastenerstospecification. 8. Inspectaccumulatorandservobores,pistons,seals,pins/pinbores,springs,and

retainers;repairorreplaceasnecessary. 9. Inspect,test,adjust,repair,orreplaceelectrical/electroniccomponentsandcircuits

includingcontrolmodules,solenoids,sensors,relays,terminals,connectors,switches,andharnesses.

10. Inspect,replace,and/oralignpowertrainmounts.11. Replacefluidandfilter(s);verifyproperfluidlevelandtype(fortransmissionswith,

orwithout,adipstick).

C. Off-Vehicle Transmission/Transaxle Repair (13 questions)

1. Removal and Installation (4 questions) 1. Removeandinstalltransmission/transaxle;inspectenginecoreplugs,rearcrankshaft

seal,transmissiondowelpins,dowelpinholes,andmatingsurfaces. 2. Inspectconverterflex(drive)plate,converterattachingbolts,converterpilot,

crankshaftpilotbore,converterpumpdrivesurfaces. 3. Installtorqueconverterandestablishcorrectconverter-to-pumpengagement;inspect

converterfreemovementforpilotengagementduringtransmissioninstallation. 4. Inspect,test,flushorreplacetransmissionfluidcooler. 5. Inspectbrackets,wiringharnesses,fuellines,heatshields,inspectioncovers,and

relatedcomponentsforproperroutingandinstallation. 6. Performmodulecodingand/orprogramming(includingadaptivelearningreset);

roadtesttoconfirmproperoperation.



2. Disassembly and Assembly (5 questions) 1. Disassemble,clean,andinspecttransmissioncase,sub-assemblies,matingsurfaces,

andthreadcondition. 2. Inspectandmeasurefluidpumpcomponents;replaceasnecessary. 3. Checkbearingpreload;determineneededservice. 4. Checkendplay;inspect,measure,andreplacethrustwashersandbearingsasneeded. 5. Inspectshafts;replaceasnecessary. 6. Inspectfluiddeliverycircuit,includingsealrings,ringgrooves,sealingsurfaceareas,

feedpipes,orifices,andencapsulatedcheckvalves(balls). 7. Inspectbushings;replaceasnecessary. 8. Inspectandmeasurecomponentsoftheplanetarygearassembly;replaceas

necessary. 9. Inspectcasebores,passages,bushings,vents,matingsurfaces,anddowelpins;

repairorreplaceasnecessary.10. Inspectvalvebodymatingsurfaces,bores,valves,solenoids,springs,sleeves,

retainers,brackets,checkballs,screens,spacerplates,andgaskets;replaceas necessary.

11. Inspecttransaxledrivechains,sprockets,gears,bearings,andbushings;replaceasnecessary.

12. Inspectandmeasuretransaxlefinaldrivecomponents;repair,replaceand/oradjust asnecessary.

13. Assembleafterrepair.

3. Friction and Reaction Units (4 questions) 1. Inspectcomponentsofthehydraulicclutchpackassembly;replaceasnecessary. 2. Measureclutchpackclearance;adjustasnecessary. 3. Airtesttheoperationofclutchandservoassemblies. 4. Inspectcomponentsofonewayclutchassemblies;replaceasnecessary. 5. Inspectbandsanddrums(housings/cylinders);replaceand/oradjustasnecessary.


SAmplE QuEStionS AutomAtic trAnSmiSSion/trAnSAxlE (tESt A2)

QuEStionS:

1. AnautomatictransmissiondoesnotholdinPARK. TechnicianAsaysthatmisadjustedshiftlinkagecouldbethecause. TechnicianBsaysthatarollerclutchinstalledbackwardscouldbethecause.Whoisright?

*(A)Aonly (C)BothAandB (B)Bonly (D)NeitherAnorB 2. Avehiclewithanautomatictransaxle,andaproperlytunedengine,

acceleratespoorlyfromastop.Accelerationisnormalabove35mph. Whichofthesecouldbethecause?

(A)Awornfrontpump (C)Awornplanetarygearset *(B)Afailedtorqueconverter (D)Alowfluidlevel 3. Thetransmissionslipswhencold.Whichoftheseisthemostlikelycause? (A)Ashortedlow/reversepressureswitch (B)Linepressureisatmaximumin1stgear (C)Adisconnectedlinepressuresensor *(D)Lowlinepressure4. Theautomatictransaxleupshiftsharshlyduringnormalacceleration.

Themostlikelycauseisafailed: (A)oxygensensor. *(C)throttlepositionsensor. (B)idleaircontrolvalve. (D)intakeairtemperaturesensor. 5. Withthetransmissionpanremoved,thebestwaytopin-pointanoilpressure

leakisto: (A)checkthefilterpick-uptubeseal. (B)checkthelinepressure. (C)removeandcheckthevalvebody. *(D)performanairpressuretest.


6. Thetoolinthesetupshownaboveisbeingusedtoremovethe: *(A)pumpbushing. (C)statorsupport. (B)pumpseal. (D)statorseal. 7. AvehiclewithanOBDIIcomputersystemhasstoredtransmissiontrouble

codes.Afterrepairsarecompleted,thetroublecodesshouldbeclearedby: (A)disconnectingthebattery. (B)testdrivingthevehicle. *(C)usingascantool. (D)removingthePCMfuse. Question 8 is not like the ones above. IthasthewordEXCEPT.Forthisquestion,lookforthechoicethatcould

NOTcausethedescribedsituation.Readtheentirequestioncarefully beforechoosingyouranswer.

8. Toomuchautomatictransmissionshaftendplaycouldbecausedbyany oftheseEXCEPTaworn:

*(A)clutch. (B)selectivewasher. (C)transmissioncase. (D)planetarycarrier.


tool


tESt SpEcificAtionS And tASk liSt mAnuAl drivE trAin And AxlES (tESt A3)

Content Questions Percentage Area in Test of Test A. Clutch Diagnosis and Repair 6 16% B. Transmission Diagnosis and Repair 7 17% C. Transaxle Diagnosis and Repair 7 17% D. Drive Shaft/Half Shaft and Universal Joint/Constant Velocity (CV) Joint Diagnosis and Repair (Front and Rear Wheel Drive) 5 13% E. Rear Axle Diagnosis and Repair 7 17% 1. Ring and Pinion Gears (3) 2. Differential Case/Carrier Assembly (2) 3. Limited Slip/Locking Differential (1) 4. Axle Shafts and Housing(1) F. Four-Wheel Drive/All-Wheel Drive Component Diagnosis and Repair 8 20%

Total 40 100%

A. Clutch Diagnosis and Repair (6 questions) 1. Diagnoseclutchnoise,binding,slippage,pulsation,chatter,pedalfeel/effort,and

releaseproblems;determineneededrepairs. 2. Inspect,adjust,andreplaceclutchpedallinkage,cablesandautomaticadjuster

mechanisms,brackets,bushings,pivots,springs,andelectricalswitches. 3. Inspect,adjust,replace,andbleedhydraulicclutchslave/releasecylinder,master

cylinder,lines,andhoses;cleanandflushhydraulicsystem;refillwithproperfluid. 4. Inspect,adjust,andreplacerelease(throw-out)bearing,bearingretainer,lever,and

pivot. 5. Inspectandreplaceclutchdiscandpressureplateassembly;inspectinputshaftpilot

andsplines. 6. Inspectpilotbearing/bushinginnerandouterbores;inspectandreplacepilot

bearing/bushing. 7. Inspectandmeasureflywheelandringgear;inspectdual-massflywheelwhere

required;repairorreplaceasnecessary. 8. Inspectengineblock,clutch(bell)housing,transmissioncasematingsurfaces,and

alignmentdowels;inspectenginecoreplugs,rearmainengineseal,andother sourcesoffluidcontamination;determineneededrepairs.

9. Measureflywheelsurfacerunoutandcrankshaftendplay;determineneededrepairs.10. Inspect,replace,andalignpowertrainmounts.



B. Transmission Diagnosis and Repair (7 questions) 1. Diagnosetransmissionnoise,difficultshifting,gearclash,jumpingoutofgear,fluid

conditionandtype,andfluidleakageproblems;determineneededrepairs. 2. Inspect,adjust,andreplacetransmissionexternalshifterassembly,shiftlinkages,

brackets,bushings/grommets,pivots,andlevers. 3. Inspectandreplacetransmissiongaskets,sealants,seals,andfasteners;inspect

sealingsurfaces. 4. Removeandreplacetransmission;inspecttransmissionmounts. 5. Disassembleandcleantransmissioncomponents;reassembletransmission. 6. Inspect,repair,and/orreplacetransmissionshiftcoverandinternalshiftforks,

bushings,bearings,levers,shafts,sleeves,detentmechanisms,interlocks,andsprings.

7. Inspectandreplaceinput(clutch)shaft,bearings,andretainers. 8. Inspectandreplacemainshaft,gears,thrustwashers,bearings,andretainers/snap

rings;measureclearanceandendplay. 9. Inspectandreplacesynchronizerhub,sleeve,keys(inserts),springs,andblocking

(synchronizing)rings/mechanisms;measureblockingringclearance.10. Inspectandreplacecountershaft,counter(cluster)gear,bearings,thrustwashers,

andretainers/snaprings.11. Inspectandreplacereverseidlergear,shaft,bearings,thrustwashers,andretainers/

snaprings.12. Measureandadjustbearingpreloadorendplay(shim/spacerselectionprocedure).13. Inspect,repair,andreplaceextensionhousingandtransmissioncasematingsurfaces,

bores,dowels,bushings,andvents.14. Inspectandreplacetransmissioncomponentsrelatedtospeedometeroperation.15. Inspect,test,andreplacetransmissionsensors,actuators,andswitches.16. Inspectlubricationsystems.17. Checkfluidlevel;refillwithproperfluid.

C. Transaxle Diagnosis and Repair (7 questions) 1. Diagnosetransaxlenoise,difficultshifting,gearclash,jumpingoutofgear,fluid

conditionandtype,andfluidleakageproblems;determineneededrepairs. 2. Inspect,adjust,lubricateandreplacetransaxleexternalshiftassemblies,linkages,

brackets,bushings/grommets,cables,pivots,andlevers. 3. Inspectandreplacetransaxlegaskets,sealants,seals,andfasteners;inspectsealing

surfaces. 4. Removeandreplacetransaxle;inspect,replace,andaligntransaxlemountsand

subframe/cradleassembly. 5. Disassembleandcleantransaxlecomponents;reassembletransaxle. 6. Inspect,repair,and/orreplacetransaxleshiftcoverandinternalshiftforks,levers,

bushings,shafts,sleeves,detentmechanisms,interlocks,andsprings. 7. Inspectandreplaceinputshaftandoutputshaft,gears,thrustwashers,bearings,and

retainers/snaprings. 8. Inspectandreplacesynchronizerhub,sleeve,keys(inserts),springs,andblocking

(synchronizing)rings;measureblockingringclearance. 9. Inspectandreplacereverseidlergear,shaft,bearings,thrustwashers,andretainers/

snaprings.



10. Inspect,repair,and/orreplacetransaxlecasematingsurfaces,bores,dowels, bushings,bearings,andvents.

11. Inspectandreplacetransaxlecomponentsrelatedtospeedometeroperation.12. Inspect,test,andreplacetransaxlesensors,actuators,andswitches.13. Diagnosedifferentialassemblynoiseandwear;determineneededrepairs.14. Removeandreplacedifferentialfinaldriveassembly.15. Inspect,measure,adjustandreplacedifferentialpinion(spider)gears,shaft,side

gears,thrustwashers,sidebearings,andcase/carrier.16. Diagnoselimitedslipdifferentialnoise,slippage,andchatterproblems;determine

neededrepairs.17. Measureandadjustshaftanddifferentialbearingpreloadandendplay(shim/spacer

selectionprocedure).18. Inspectlubricationsystems.19. Checkfluidlevel;refillwithproperfluid.

D. Drive Shaft/Half-Shaft and Universal Joint/Constant Velocity (CV) Joint Diagnosis and Repair (Front and Rear Wheel Drive) (5 questions) 1. Diagnoseshaftanduniversal/CVjointnoiseandvibrationproblems;determine

neededrepairs. 2. Inspect,service,andreplaceshafts,yokes,boots,anduniversal/CVjoints;verify

properphasing. 3. Inspect,service,andreplaceshaftcentersupportbearings. 4. Checkandcorrectdrive/propellershaftbalance. 5. Measuredriveshaftrunout. 6. Measureandadjustdriveshaftworkingangles. 7. Inspect,service,andreplacewheelbearings,seals,andhubs.

E. Rear Wheel Drive Axle Diagnosis and Repair (7 questions)

1. Ring and Pinion Gears (3 questions) 1. Diagnosenoise,vibration,andfluidleakageproblems;determineneededrepairs. 2. Inspectandreplacecompanionflange,yoke,andpinionseal;measurecompanion

flangerunout. 3. Measureringgearrunout;determineneededrepairs. 4. Inspectandreplaceringandpiniongearset,collapsiblespacers,sleeves(shims),

andbearings. 5. Measureandadjustdrivepiniondepth. 6. Measureandadjustdrivepinionbearingpreload(collapsiblespacerorshimtype). 7. Measureandadjustdifferential(side)bearingpreload,andringandpinionbacklash

(threadedadjusterorshimtype). 8. Performringandpiniontoothcontactpatternchecks;determineneededadjustments.

2. Differential Case/Carrier Assembly (2 questions) 1. Diagnosedifferentialassemblynoiseandvibrationproblems;determineneeded

repairs. 2. Removeandreplacedifferentialassembly. 3. Inspect,measure,adjustandreplacedifferentialpinion(spider)gears,shaft,side

gears,thrustwashers,sidebearings,andcase/carrier. 4. Measuredifferentialcase/carrierrunout;determineneededrepairs.



3. Limited Slip/Locking Differential (1 question) 1. Diagnoselimitedslipdifferentialnoise,slippage,andchatterproblems;determine

neededrepairs. 2. Inspect,drain,andrefillwithproperlubricant. 3. Inspect,adjust,repairorreplacelimitedsliporlockingassemblycomponents.

4. Axle Shafts and Housing (1 question) 1. Diagnoserearaxleshaftnoise,vibration,andfluidleakageproblems;determine

neededrepairs. 2. Inspectandreplacerearaxleshaftwheelstuds. 3. Remove,inspect,adjust,and/orreplacerearaxleshafts,splines,seals,bearings,

andretainers. 4. Measurerearaxleflangerunoutandshaftendplay;determineneededrepairs. 5. Inspectaxlehousingandvent.

F. Four-Wheel Drive/All-Wheel Drive Component Diagnosis and Repair (8 questions) 1. Diagnosedriveassemblynoise,vibration,shifting,leakageandsteeringproblems;

determineneededrepairs. 2. Inspect,adjust,andrepairtransfercasemanualshiftingmechanisms,bushings,

mounts,levers,andbrackets. 3. Removeandreplacetransfercase. 4. Disassembletransfercase;cleanandinspectinternaltransfercasecomponents;

determineneededrepairs. 5. Reassembletransfercase. 6. Checktransfercasefluidlevel;drainandrefillwithproperfluid. 7. Inspect,service,andreplacedrive/propellershaftanduniversal/CVjoints. 8. Inspect,service,andreplacedriveaxleuniversal/CVjointsanddrive/halfshafts. 9. Inspect,service,andreplacewheelbearings,seals,andhubs.10. Checktransfercaseandaxlesealsandallvents.11. Test,diagnose,andreplaceactuationandengagementsystems(including:viscous,

hydraulic,magnetic,mechanical,vacuum,andelectrical/electronic).12. Inspecttiresforpropersizeandconditionforvehicleapplication.


SAmplE QuEStionS mAnuAl drivE trAin And AxlES (tESt A3)

QuEStionS:

1. Amanualtransmissionslipsoutofhighgear.Whichofthesecouldbethecause?

(A)Wornblockingrings *(B)Toomuchmainshaftendplay (C)Brokensynchronizerkeys (D)Wornshifterinterlocks 2. Inavehiclewithasingle-plateclutch,lossoffreepedalcanbecausedbya: (A)wornreleasebearing. (B)brokenclutchlinkage. *(C)wornclutchdiscfacing. (D)weakpressureplatesprings. 3. Afour-speedfullysynchronizedtransmissionhasaclunkingorknocking

noiseinfirstandreverseonly. TechnicianAsaysthatabrokentoothontheclutch(input)gearcouldbethecause. TechnicianBsaysthatabrokentoothonthecounter(cluster)gearcouldbe thecause. Whoisright?

(A)Aonly *(B)Bonly (C)BothAandB (D)NeitherAnorB 4. Amanualtransaxlemakesaclunkingnoiseonaccelerationandon

deceleration. TechnicianAsaysthataloosedifferentialcasepinionshaftcouldbethecause.TechnicianBsaysthatwornCVjointscouldbethecause. Whoisright?

(A)Aonly (B)Bonly *(C)BothAandB (D)NeitherAnorB


5. TechnicianAsaysthattheset-upshowncanbeusedtocheckpinion-to-ringgearpreload. TechnicianBsaysthattheset-upcanbeusedtocheckpinionflangenuttorque. Whoisright?

(A)Aonly (B)Bonly (C)BothAandB *(D)NeitherAnorB

6. Whichoftheseisthetechni-cianmeasuringintheillustrationshowntotheright?

*(A)Sidegearclearance (B)Ringgearrunout (C)Piniondepth (D)Bearingpreload 7. Afour-wheeldrivevehicle

vibrateswhilethefrontaxle isengaged. TechnicianAsaysthatabadfrontaxleshaftCVjointcouldbethecause.TechnicianBsaysthatdifferentfrontandreartirediameterscouldbethecause. Whoisright?

(A)Aonly *(C)BothAandB (B)Bonly (D)NeitherAnorB Question 8 is not like the ones above. IthasthewordEXCEPT.Forthisquestion,lookforthechoicethatcould

NOTcausethedescribedsituation.Readtheentirequestioncarefullybeforechoosingyouranswer.

8. Theclutchdoesnotreleasefullywhenthepedalispushedtothefloor. AnyofthesecouldbethecauseEXCEPT:

*(A)weakpressureplatesprings. (B)toomuchfreepedaltravel. (C)awarpedclutchdisc. (D)aseizedpilotbearing.


PINIoN YoKEINCH PoUND

toRQUE WRENCH


tESt SpEcificAtionS And tASk liSt SuSpEnSion And StEEring (tESt A4)

Content Questions Percentage Area in Test of Test A. Steering Systems Diagnosis and Repair 10 25% 1. Steering Columns (3) 2. Steering Units (4) 3. Steering Linkage (3) B. Suspension Systems Diagnosis and Repair 11 28% 1. Front Suspensions (6) 2. Rear Suspensions (5) C. Related Suspension and Steering Service 2 5% D. Wheel Alignment Diagnosis, Adjustment, and Repair 12 30% E. Wheel and Tire Diagnosis and Service 5 13%

Total 40 100%

A. Steering Systems Diagnosis and Repair (10 questions)

1. Steering Columns (3 questions) 1. Diagnosesteeringcolumnnoisesandsteeringeffortconcerns(includingmanualand

electronictiltandtelescopingmechanisms);determineneededrepairs. 2. Inspectandreplacesteeringcolumn,steeringshaftU-joint(s),flexiblecoupling(s),

collapsiblecolumns,steeringwheels(includessteeringwheelsandcolumnsequippedwithairbagsand/orothersteeringwheel/columnmountedcontrols,sensors,andcomponents).

3. Disarm,enable,andproperlyhandleairbagsystemcomponentsduringvehicle servicefollowingmanufacturers’procedures.

2. Steering Units (4 questions) 1. Diagnosesteeringgear(non-rackandpiniontype)noises,binding,vibration,

freeplay,steeringeffort,steeringpull(lead),andleakageconcerns;determine neededrepairs.

2. Diagnoserackandpinionsteeringgearnoises,binding,vibration,freeplay,steeringeffort,steeringpull(lead),andleakageconcerns;determineneededrepairs.

3. Inspectpowersteeringfluidlevelandcondition;determinefluidtypeandadjust fluidlevelinaccordancewithvehiclemanufacturers’recommendations.



4. Inspect,adjust,align,andreplacepowersteeringpumpbelt(s),tensionersand pulleys.

5. Diagnosepowersteeringpumpnoises,vibration,andfluidleakage;determine neededrepairs.

6. Removeandreplacepowersteeringpump;inspectpumpmountingand attachingbrackets;removeandreplacepowersteeringpumppulley;transfer relatedcomponents

7. Performpowersteeringsystempressureandflowtests;determineneededrepairs. 8. Inspectandreplacepowersteeringhoses,fittings,O-rings,coolers,andfilters. 9. Removeandreplacesteeringgear(non-rackandpiniontype).10. Removeandreplacerackandpinionsteeringgear;inspectandreplacemounting

bushingsandbrackets.11. Adjuststeeringgear(non-rackandpiniontype)wormbearingpreloadandsector

lash.12. Inspectandreplacesteeringgear(non-rackandpiniontype)sealsandgaskets.13. Adjustrackandpinionsteeringgear.14. Inspectandreplacerackandpinionsteeringgearbellows/boots.15. Flush,fill,andbleedpowersteeringsystem.16. Diagnose,inspect,repairorreplacecomponentsofvariable-assiststeeringsystems.

3. Steering Linkage (3 questions) 1. Inspectandadjust(whereapplicable)frontandrearsteeringlinkagegeometry

(includingparallelismandvehiclerideheight). 2. Inspectandreplacepitmanarm. 3. Inspectandreplacecenterlink(relayrod/draglink/intermediaterod). 4. Inspect,adjust(whereapplicable),andreplaceidlerarm(s)andmountings. 5. Inspect,replace,andadjusttierods,tierodsleeves/adjusters,clamps,andtierodends

(sockets/bushings). 6. Inspectandreplacesteeringlinkagedamper(s).

B. Suspension Systems Diagnosis and Repair (13 questions)

1. Front Suspensions (6 questions) 1. Diagnosefrontsuspensionsystemnoises,handling,rideheightandridequalitycon-

cerns;determineneededrepairs. 2. Inspectandreplaceupperandlowercontrolarms,bushingsandshafts. 3. Inspectandreplacereboundandjouncebumpers. 4. Inspect,adjust,andreplacetrackbar,strutrods/radiusarmsandrelated

mounts/bushings. 5. Inspectandreplaceupperandlowerballjoints(withorwithoutwearindicators). 6. Inspectnon-independentfrontaxleassemblyfordamageandmisalignment. 7. Inspectandreplacefrontsteeringknuckle/spindleassembliesandsteeringarms. 8. Inspectandreplacefrontsuspensionsystemcoilspringsandspringinsulators

(silencers). 9. Inspectandreplacefrontsuspensionsystemleafspring(s),leafspringinsulators

(silencers),shackles,brackets,bushings,centerpins/boltsandmounts.10. Inspect,replace,andadjustfrontsuspensionsystemtorsionbarsandmounts.



11. Inspectandreplacefrontstabilizerbar(swaybar)bushings,brackets,andlinks.12. Inspectandreplacefrontstrutcartridgeorassembly.13. Inspectandreplacefrontstrutbearingandmount.

2. Rear Suspensions (5 questions) 1. Diagnoserearsuspensionsystemnoises,handling,rideheightandridequality

concerns;determineneededrepairs. 2. Inspectandreplacerearsuspensionsystemcoilspringsandspringinsulators

(silencers). 3. Inspectandreplacerearsuspensionsystemlaterallinks/arms(trackbars),control

(trailing)arms,stabilizerbars(swaybars),bushings,andmounts. 4. Inspectandreplacerearsuspensionsystemleafspring(s),leafspringinsulators

(silencers),shackles,brackets,bushings,centerpins/boltsandmounts. 5. Inspectandreplacerearreboundandjouncebumpers. 6. Inspectandreplacerearstrutcartridgeorassembly,anduppermountassembly. 7. Inspectnon-independentrearaxleassemblyfordamageandmisalignment. 8. Inspectandreplacerearballjointsandtierod/toelinkassemblies. 9. Inspectandreplacerearknuckle/spindleassembly.

C. Related Suspension and Steering Service (2 questions) 1. Inspectandreplaceshockabsorbers,mounts,andbushings. 2. Diagnoseandservicefrontand/orrearwheelbearings/hubassemblies. 3. Diagnose,inspect,adjust,repairorreplacecomponents(includingsensors,switches,

actuators,andcontrolunits)ofelectronicallycontrolledsuspensionsystems (includingprimaryandsupplementalairsuspensionandridecontrolsystems).

4. Inspectandrepairfrontand/orrearcradle(crossmember/subframe)mountings, bushings,brackets,andbolts.

5. Diagnose,inspect,adjust,repairorreplacecomponents(includingsensors,switches,actuators,andcontrolunits)ofelectronicallycontrolledhydraulic,andelectricallyassistedsteeringsystems;initializesystemasrequired.

6. Diagnose,inspect,repairorreplacecomponentsofpowersteeringidlespeed compensationsystems.

D. Wheel Alignment Diagnosis, Adjustment, and Repair (12 questions) 1. Diagnosevehiclewander,drift,pull,hardsteering,bumpsteer(toecurve),memory

steer,torquesteer,andsteeringreturnconcerns;determineneededrepairs. 2. Measurevehiclerideheight;determineneededrepairs. 3. Measurefrontandrearwheelcamber;determineneededrepairs. 4. Adjustfrontand/orrearwheelcamberonsuspensionsystemswithacamberadjustment. 5. Measurecaster;determineneededrepairs. 6. Adjustcasteronsuspensionsystemswithacasteradjustment. 7. Measureandadjustfrontwheeltoe. 8. Centerthesteeringwheel. 9. Measuretoe-out-on-turns(turningradius/angle);determineneededrepairs.10. MeasureSAI/KPI(steeringaxisinclination/kingpininclination);determine

neededrepairs.11. Measureincludedangle;determineneededrepairs.



12. Measurerearwheeltoe;determineneededrepairsoradjustments.13. Measurethrustangle;determineneededrepairsoradjustments.14. Measurefrontwheelbasesetback/offset;determineneededrepairsoradjustments.15. Checkfrontand/orrearcradle(crossmember/subframe)alignment;determineneeded

repairsoradjustments.

E. Wheel and Tire Diagnosis and Service (5 questions) 1. Diagnosetirewearpatterns;determineneededrepairs. 2. Inspecttirecondition,size,andapplication(loadandspeedratings). 3. Measureandadjusttireairpressure. 4. Diagnosewheel/tirevibration,shimmy,andnoiseconcerns;determineneeded

repairs. 5. Rotatetires/wheelsandtorquefastenersaccordingtomanufacturers’

recommendations. 6. Measurewheel,tire,axleflange,andhubrunout(radialandlateral);determine

neededrepairs. 7. Diagnosetirepull(lead)problems;determinecorrectiveactions. 8. Dismountandmounttireonwheel. 9. Balancewheelandtireassembly.10. Testanddiagnosetirepressuremonitoringsystems(directandindirect);determine

neededrepairs.


SAmplE QuEStionSSuSpEnSion And StEEring (tESt A4)

QuEStionS:

1. Thefrontendofavehiclevibratesupanddownwhiletravelingatmost roadspeeds. TechnicianAsaysthattoomuchradialrunoutofthefronttirescouldbe thecause.

TechnicianBsaysthatstaticout-of-balanceofthefronttirescouldbe thecause. Whoisright?

(A)Aonly *(C)BothAandB (B)Bonly (D)NeitherAnorB 2. Avehiclewanderswhilebeingdrivenonlevelroads.

TechnicianAsaysthattoomuchnegativecambercouldbethecause. TechnicianBsaysthattoomuchpositivecastercouldbethecause. Whoisright?

(A)Aonly (C)BothAandB (B)Bonly *(D)NeitherAnorB

3. Thealignmentsettingsshownabovewouldresultinwhichoftheseconditions? (A)Lefttirewearoninside;vehicledoesnotpulltoeitherside *(B)Righttirewearoninside;vehiclepullstoleft (C)Righttirewearonoutside;vehiclepullstoleft (D)Righttirewearonoutside;lefttirewearoninside;vehiclepullstoleft

REAdINgS SPECS Left Right Left or Right + 3/4° or - 1 1/2° or 0 to + 1/2° orCamber + 45 min. - 1° 30 min. 0 to + 30 min.

Caster 0° 0° 0° to + 1°

1/16” or 1/16” to 3/16” orToe-in .16mm .16mm to .48mm


4. Avehiclewithrackandpinionsteeringhasashimmy. TechnicianAsaysthatwornrack-to-framemountingbushingscouldbethecause. TechnicianBsaysthatlooseinneroroutertierodends(sockets)couldbethecause. Whoisright?

(A)Aonly *(C)BothAandB (B)Bonly (D)NeitherAnorB 5. Duringawheelalignment,atechnicianfindsthetoe-out-on-turns

(turningradius)tobeincorrect.Whichofthesecouldbethecause? (A)Bentpitmanarm (B)Benttierod (C)Bentidlerarm *(D)Bentsteeringarm 6. Avehiclepullstotherightduringbraking.

TechnicianAsaysthatawornstrutrodbushingcouldbethecause. TechnicianBsaysthatabentrightwheelcouldbethecause. Whoisright?

*(A)Aonly (C)BothAandB (B)Bonly (D)NeitherAnorB

7. Whichoftheseshouldthetechniciandofirstwhenaligningalighttruckequippedwithatorsionbarfrontsuspension?

(A)Adjustthethrustangle (B)Adjustthecaster/camber (C)Check/adjustthetoe *(D)Check/adjusttherideheight(curbheight).

8. Apressuretestisbeingperformedonavehiclewithpowersteering.Thepres-surereadingstakenwhenthewheelsareattherightandleftstopsarebelowspecs.Thereadingsarenormalwhenthetestershutoffvalveisclosed. TechnicianAsaysthatthesereadingscouldbecausedbyabadsteeringgear. TechnicianBsaysthatthesereadingscouldbecausedbyabadpump. Whoisright?

*(A)Aonly (C)BothAandB (B)Bonly (D)NeitherAnorB



9. Thesuspensionshownaboveisbeingcheckedforballjointwear. TechnicianAsaysthatthecheckcanbemadewiththefrontendjacked upat“X.” TechnicianBsaysthatthecheckcanbemadewiththefrontendjacked upat“Y.” Whoisright?

(A)Aonly *(B)Bonly (C)BothAandB (D)NeitherAnorB Question 10 is not like the ones above. IthasthewordEXCEPT.Forthisquestion,lookforthechoicethatcould


10.Allofthesecouldcausetirewearifnotwithinmanufacturer’sspecsEXCEPT: *(A)caster. (B)wheelbalance. (C)toe-in. (D)camber.


X Y


tESt SpEcificAtionS And tASk liStbrAkES (tESt A5)

Content Questions Percentage Area in Test of Test A. Hydraulic System Diagnosis and Repair 12 27% 1. Master Cylinder (3) 2. Lines and Hoses (3) 3. Valves and Switches (3) 4. Bleeding, Flushing, and Leak Testing (3) B. Drum Brake Diagnosis and Repair 5 11% C. Disc Brake Diagnosis and Repair 10 22% D. Power Assist Units Diagnosis and Repair 4 9% E. Miscellaneous Systems Diagnosis 7 16% and Repair F. Electronic Brake Control Systems—Antilock Brake Systems (ABS), Traction Control Systems TCS), and Electronic Stability Control System (ESC)—Diagnosis and Repair 7 16%

Total 45 100%

A. Hydraulic System Diagnosis and Repair (12 questions)

1. Master Cylinder (3 questions) 1. Diagnosepoorstopping,dragging,highorlowpedal,hardorspongypedalcaused

bythemastercylinder;determineneededrepairs. 2. Diagnoseproblemsinthestepbore/quicktake-upmastercylinderandinternalvalves

(e.g.volumecontroldevices,quicktake-upvalve,fast-fillvalve,pressureregulatingvalve);determineneededrepairs.

3. Measureandadjustmastercylinderpushrodlength. 4. Checkmastercylinderforfailuresbydepressingbrakepedal;determineneeded

repairs. 5. Diagnosethecauseofmastercylinderexternalfluidleakage. 6. Removeandreplacemastercylinder;benchbleedandtestoperationandinstall

mastercylinder;verifymastercylinderfunction.

2. Lines and Hoses (3 questions) 1. Diagnosepoorstopping,pulling,ordraggingcausedbyproblemsinthelinesand

hoses;determineneededrepairs. 2. Inspectbrakelinesandfittingsforleaks,dents,kinks,rust,cracks,orwear;

inspectforloosefittingsandsupports;determineneededrepairs.



3. Inspectflexiblebrakehosesforleaks,kinks,cracks,bulging,wear,orcorrosion;inspectforloosefittingsandsupports;determineneededrepairs.

4. Replacebrakelines,hoses,fittings,andsupports;fabricatebrakelinesusingpropermaterialandflaringprocedures(doubleflareandISOtypes).

5. Inspectbrakelinesandhosesforproperroutingandsupport.

3. Valves and Switches (3 questions) 1. Diagnosepoorstopping,pulling,ordraggingcausedbyproblemsinthehydraulic

systemvalve(s);determineneededrepairs. 2. Inspect,test,andreplacemetering,proportioning,pressuredifferential,and

combinationvalves. 3. Inspect,test,replace,andadjustloadorheightsensing-typeproportioningvalve(s). 4. Inspect,test,andreplacebrakewarninglight,switch,sensorandcircuit.

4. Bleeding, Flushing, and Leak Testing (3 questions) 1. Diagnosepoorstopping,pulling,dragging,orincorrectpedaltravelcausedby

problemsinthebrakefluid;determinedneededrepairs. 2. Bleedand/orflushhydraulicsystemusingmanual,pressure,vacuum,orsurgegravity

method(s). 3. Pressuretestbrakehydraulicsystem. 4. Select,handle,store,andinstallproperbrakefluids(includingsiliconefluids).

B. Drum Brake Diagnosis and Repair (5 questions) 1. Diagnosepoorstopping,pulling,dragging,orincorrectpedaltravelcausedbydrum

brakehydraulicproblems;determineneededrepairs. 2. Diagnosepoorstopping,noise,pulling,grabbing,dragging,pedalpulsation,or

incorrectpedaltravelcausedbydrumbrakemechanicalproblems;determineneededrepairs.

3. Remove,clean,inspect,andmeasurebrakedrums;followmanufacturers’ recommendationsindeterminingneedtomachineorreplace.

4. Machinedrumsaccordingtomanufacturers’proceduresandspecifications. 5. Usingpropersafetyprocedures,remove,clean,andinspectbrakeshoes/linings,

springs,pins,self-adjusters,levers,clips,brakebacking(support)platesandotherrelatedbrakehardware;determineneededrepairs.

6. Lubricatebrakeshoesupportpadsonbacking(support)plate,self-adjuster mechanisms,andotherbrakehardware.

7. Inspectwheelcylinder(s)forleakage,operation,andmounting;removeandreplacewheelcylinder(s).

8. Installbrakeshoesandrelatedhardware. 9. Pre-adjustbrakeshoesandparkingbrakebeforeinstallingbrakedrumsordrum/hub

assembliesandwheelbearings.10. Reinstallwheel,torquelugnuts,andmakefinalchecksandadjustments.



C. Disc Brake Diagnosis and Repair (10 questions) 1. Diagnosepoorstopping,pulling,dragging,orincorrectpedaltravelcausedbydisc

brakehydraulic problems;determineneededrepairs.

2. Diagnosepoorstopping,noise,pulling,grabbing,dragging,pedalpulsationorincorrectpedaltravelcausedbydiscbrakemechanicalproblems;determineneededrepairs.

3. Retractintegralparkingbrakecaliperpiston(s)accordingtomanufacturers recommendations.

4. Removecaliperassemblyfrommountings;inspectforleaksanddamagetocaliperhousing.

5. Clean,inspect,andmeasurecalipermountingsandslides/pinsforwearanddamage. 6. Remove,clean,andinspectpadsandretaininghardware;determineneededrepairs,

adjustments,andreplacements. 7. Cleancaliperassembly;inspectexternalpartsforwear,rust,scoring,anddamage;

replaceanydamagedorwornparts;determinetheneedtorepairorreplacecaliperassembly.

8. Clean,inspect,andmeasurerotorwithadialindicatorandamicrometer;followmanufacturers’recommendationsindeterminingtheneedtoindex,machineor replacetherotor.

9. Removeandreplacerotor.10. Machinerotor,usingon-caroroff-carmethod,accordingtomanufacturers’

proceduresandspecifications.11. Installpads,calipers,andrelatedattachinghardware;lubricatecomponentsfollowing

manufacturers’proceduresandspecifications;bleedsystem.12. Adjustcaliperswithintegratedparkingbrakesaccordingtomanufacturers’

recommendations.13. Fillmastercylindertoproperlevelwithrecommendedfluid;inspectcaliperforleaks.14. Reinstallwheel,torquelugnuts,andmakefinalchecksandadjustments.15. Roadtestvehicleandburnish/break-inpadsaccordingtomanufacturer’s

recommendations

D. Power Assist Units Diagnosis and Repair (4 questions) 1. Testpedalfreetravelwithandwithoutenginerunningtocheckpowerbooster

operation. 2. Checkvacuumsupply(manifoldorauxiliarypump)tovacuum-typepowerbooster. 3. Inspectthevacuum-typepowerboosterunitforvacuumleaksandproperoperation;

inspectthecheckvalveforproperoperation;repair,adjust,orreplacepartsas necessary.

4. Inspectandtesthydro-boostsystemandaccumulatorforleaksandproperoperation;repairorreplacepartsasnecessary;refillsystem.



E. Miscellaneous Systems (Pedal linkage, Wheel Bearings, Parking Brakes, Electrical, etc.) Diagnosis and Repair (7 questions) 1. Diagnosewheelbearingnoises,wheelshimmyandvibrationproblems;determine

neededrepairs. 2. Remove,clean,inspect,repackwheelbearings,orreplacewheelbearingsandraces;

replaceseals;replacehubandbearingassemblies;adjustwheel/hubbearings accordingtomanufacturers’specifications.

3. Checkparkingbrakesystem;inspectcablesandpartsforwear,rust,andcorrosion;cleanorreplacepartsasnecessary;lubricateassembly.

4. Adjustparkingbrakeassembly;checkoperation. 5. Testtheparkingbrakeindicatorlight,switchandwiring. 6. Test,adjust,repairorreplacebrakestoplightswitch,lamps,andrelatedcircuits. 7. Inspectandtestbrakepedallinkageforbinding,looseness,andadjustment;

determineneededrepairs.

F. Electronic Brake Control Systems: Antilock Brake System (ABS), Traction Control System (TCS), and Electronic Stability Control System (ESC) Diagnosis and Repair (7 questions) 1. Followmanufacturers’serviceandsafetyprecautionswheninspecting,testingand

servicingelectronicbrakecontrolsystem,hydraulic,electrical,andmechanical components.

2. Diagnosepoorstopping,wheellockup,falseactivation,pedalfeelandtravel,pedalpulsation,andnoiseconcernsassociatedwiththeelectronicbrakecontrolsystem;determineneededrepairs.

3. Observeelectronicbrakecontrolsystemindicatorlight(s)atstartupandduringroadtest;determineiffurtherdiagnosisisneeded.

4. Diagnoseelectronicbrakecontrolsystem,electroniccontrol(s),components,andcircuitsusingon-boarddiagnosisand/orrecommendedtestequipment;determineneededrepairs.

5. Bleedand/orflushtheelectronicbrakecontrolhydraulicsystemfollowing manufacturers’procedures.

6. Removeandinstallelectronicbrakecontrolsystemcomponentsfollowing manufacturers’proceduresandspecifications;observeproperplacementof componentsandroutingofwiringharness.

7. Test,diagnoseandserviceelectronicbrakecontrolsystemsensors(suchas speed,yaw,steeringangle,brakepedalposition,etc.)andcircuitsfollowing manufacturers’recommendedprocedures(includesoutputsignal,resistance, shortstovoltage/ground,andfrequencydata.).

8. Diagnoseelectronicbrakecontrolsystembrakingconcernscausedbyvehicle modifications(wheel/tiresize,curbheight,finaldriveratio,etc.)andothervehiclemechanicalandelectrical/electronicmodifications(communication,security,andradio,etc.).

9. Repairwiringharnessandconnectorsfollowingmanufacturers’procedures.


SAmplE QuEStionS brAkES (tESt A5)

QuEStionS:

1. Whichofthesewouldmostlikelyhappenifthemeasurementsintheset-upshownabovevariedfrommanufacturer’sspecs?

(A)NoisyBrakeoperation *(C)Pulsatingbrakepedal (B)Brakegraborpull (D)Lowbrakepedal 2. Thebrakepedalonavehiclewithpower-assisteddisc/drumbrakesmoves

slowlytothefloorduringbraking.Whichofthesecouldbethecause? *(A)Aleakingmastercylinderprimarycup (B)Aleakingpowerbrakebooster (C)Aleakingmastercylinderresidualcheckvalve (D)Aninternalleakinthecombinationvalve 3. Onavehiclewithdisc/drumbrakes,thefrontbrakesgrabquicklywhenlight

pedalpressureisapplied.Thiscouldbecausedbyabad: (A)proportioningvalve. *(C)meteringvalve. (B)pressuredifferentialvalve. (D)residualcheckvalve. 4. Onavehiclewithsinglepiston,floatingcaliperdiscbrakes,thediscbrakepad

betweenthecaliperpistonandtherotorisbadlyworn.Theotherbrakepadisonlyslightlyworn. TechnicianAsaysthattoomuchrotorrunoutcouldbethecause. TechnicianBsaysthatafrozencaliperpistoncouldbethecause. Whoisright?

(A)Aonly (C)BothAandB (B)Bonly *(D)NeitherAnorB


5. Whenthebrakesareapplied,avibrationcomesfromthefrontofavehiclewithadisc/drumsystem.Whichofthesecouldbethecause?

(A)Unequaltirepressure (B)Bindingcaliperslides *(C)Excessiverotorrunout (D)Afrozencaliperpiston 6. Afrontdiscbrakerotorisslightlybelowminimumthicknessspecificationafter

machining.Thetechnicianshould: (A)reusetherotor. *(B)replacetherotor. (C)applyanon-directionalfinishtotherotor. (D)machinetheotherfrontrotortothesamethickness. 7. Ahydraulicbrakelineisleaking.Whichoftheseisthecorrectrepair? (A)Cutoutthebadsectionandreplacewithnewsteeltubingusing

compressionfittings. (B)Replacetheleakinglinewithdouble-flaredseamlesscoppertubing. (C)Cutoutthebadsectionandreplacewithsingle-flaredsteeltubingusing

flarenutsandunions. *(D)Replacetheleakinglinewithdouble-flaredsteeltubing.

8. Theset-upshownaboveisusedtocheck: (A)rotorparallelism. *(C)rotorlateralrunout(wobble). (B)wheelbearingadjustment. (D)rotorfacewear.



9. Thedragonavehicle’sdrumbrakesincreasesaftereachapplicationuntiltheylockup.Bleedingthesystemrestoresnormaloperationforashorttime;thendragincreasesuntilthebrakeslockupagain.Whichofthesecouldbethecause?

*(A)Ablockedcompensatingport (B)Ablockedbreatherport (C)Wrongbrakeshoeadjustment (D)Weakbrakeshoereturnsprings 10.Withthebrakesapplied,thepedalmovesdownslightlywhentheengineis

startedonavehiclewithpowerbrakes. TechnicianAsaysthatthecausecouldbealeakingpowerbrakebooster diaphragm. TechnicianBsaysthatthecausecouldbeastuckclosedcheckvalveonthepowerbrakeboostermanifold. Whoisright?




tESt SpEcificAtionS And tASk liSt ElEctricAl/ElEctronic SyStEmS (tESt A6)

Content Questions Percentage Area in Test of Test A. General Electrical/Electronic System Diagnosis 13 26% B. Battery and Starting System Diagnosis and Repair 9 18% C. Charging System Diagnosis and Repair 5 10% D. Lighting Systems Diagnosis and Repair 6 12% E. Instrument Cluster and Driver Information Systems Diagnosis and Repair 6 12% F. Body Electrical Systems Diagnosis and Repair 11 22%

Total 50 100%

A. General Electrical/Electronic System Diagnosis (13 questions) 1. Checkvoltagesandvoltagedropsinelectrical/electroniccircuits;interpretreadings

anddetermineneededrepairs. 2. Checkcurrentflowinelectrical/electroniccircuitsandcomponents;interpretreadings

anddetermineneededrepairs. 3. Checkcontinuityandresistancesinelectrical/electroniccircuitsandcomponents;

interpretreadingsanddetermineneededrepairs. 4. Checkelectroniccircuitwaveforms;interpretreadingsanddetermineneededrepairs. 5. Usescan-tooldataand/ordiagnostictroublecodes(DTCs)todiagnoseelectronic

systems;interpretreadingsanddeterminenecessaryaction. 6. Findshorts,grounds,opens,andresistanceproblemsinelectrical/electroniccircuits;

determineneededrepairs. 7. Measureanddiagnosethecause(s)ofabnormalkeyoffbatterydrain(parasiticdraw);

determineneededrepairs. 8. Inspect,test,andreplacefusiblelinks,circuitbreakers,fuses,diodes,andcurrent

limitingdevices. 9. Readandinterpretelectricalschematicdiagramsandsymbols.10. Diagnosefailuresinthedatabuscommunicationsnetwork;determineneededrepairs.11. Removeandreplacecontrolmodules;programasneeded.



B. Battery and Starting System Diagnosis and Repair (9 questions) 1. Performbatterystateofchargetest;determineneededservice. 2. Performbatterytests(loadandcapacitance)determineneededservice. 3 Maintainorrestoreelectronicmemoryfunctions. 4. Performslow/fastbatterychargeinaccordancewithmanufacturer’s

recommendations. 5. Inspect,clean,andrepairorreplacebattery(s),batterycables,connectors,clamps

holddowns,andventtubes. 6. Jumpstartavehicleusingjumpercables,andaboosterbatteryorauxiliarypower

supply. 7. Performstartercurrentdrawtest;determineneededrepairs. 8. Performstartercircuitvoltagedroptests;determineneededrepairs. 9. Inspect,test,andrepairorreplacestarter,relays,solenoids,modules,switches,con-

nectors,andwiresofstartercircuits.10. Differentiatebetweenelectricalandenginemechanicalproblemsthatcauseaslow

crank,nocrank,extendedcranking,oracrankingnoisecondition.

C. Charging System Diagnosis and Repair (5 questions) 1. Diagnosechargingsystemproblemsthatcause,anocharge,alowcharge,oranover-

chargecondition;determineneededrepairs. 2. Inspectandreinstall/replacepulleys,tensionersanddrivebelts;adjustbeltsandcheck

alignment. 3. Performchargingsystemvoltageoutputtest;determineneededrepairs. 4. Performchargingsystemcurrentoutputtest;determineneededrepairs. 5. Inspectandtestgenerator(alternator)controlcomponentsincludingcomputers/

regulators;determineneededrepairs. 6. Performchargingcircuitvoltagedroptests;determineneededrepairs. 7. Inspect,test,andrepairorreplaceconnectorsandwiresofchargingsystemcircuits. 8. Remove,inspect,andreplacegenerator(alternator).

D. Lighting Systems Diagnosis and Repair (6 questions) 1. Diagnosethecauseofbrighterthannormal,intermittent,dim,continuousorno

operationofexteriorlighting;determineneededrepairs. 2. Inspect,replace,andaim/levelheadlights/bulbsincludinghigh-intensitydischarge

systems(HID),andauxiliarylights(foglights/drivinglights). 3. Inspect,test,andrepairorreplaceswitches,relays,bulbs,LEDs,sockets,connectors,

wires,andcontrollersofexteriorlighting. 4. Diagnosethecauseofturnsignaland/orhazardlightsystemmalfunctions;determine

neededrepairs. 5. Inspect,test,andrepairorreplaceswitches,flasherunits,bulbs,sockets,connectors,

wires,andcontrollersofturnsignalandhazardlightcircuits. 6. Diagnosethecauseofintermittent,dim,continuousornooperationofinterior

lightingcircuits(courtesy,dome,map,vanity,cargo,trunk,andhood);determineneededrepairs.

7. Inspect,test,andrepairorreplaceswitches,relays,bulbs,sockets,connectors,wires,andcontrollersofinteriorlightingcircuits(courtesy,dome,map,vanity,cargo,trunk,andhood).



8. Inspect,test,andrepairorreplacetrailerwiringharness,relays,connectors,andcontrollers.

E. Instrument Cluster and Driver Information Systems Diagnosis and Repair (6 questions) 1. Diagnosethecauseofintermittent,dim,nolights,continuousoperation,ornobright-

nesscontrolofinstrumentlightingcircuits;determineneededrepairs. 2. Inspect,test,andrepairorreplaceswitches,relays,bulbs,LEDs,sockets,connectors,

wires,andcontrollersofinstrumentlightingcircuits. 3. Diagnosethecauseofhigh,low,intermittent,ornoreadingsonelectronicinstrument

clustergauges;determineneededrepairs. 4. Diagnosethecauseofconstant,intermittent,ornooperationofwarninglights,indi-

catorlights,audiblewarningdevices,andotherdriverinformationsystems;deter-mineneededrepairs.

5. Inspect,test,andrepairorreplacebulbs,sockets,connectors,switches,relays,sensors,timers,wires,gauges,sendingunits,sensors,electroniccomponents,andcontrollersofelectronicinstrumentclustersanddriverinformationsystemcircuits.

F. Body Electrical Systems Diagnosis and Repair (11 questions) 1. Diagnoseoperationofcomfortandconvenienceaccessoriesandrelatedcircuits

(suchas:powerwindow,powerseats,pedalheight,powerlocks,trucklocks,remotestart,moonroof,sunroof,sunshade,remotekeylessentry,voiceactivation,steeringwheelcontrols,backupcamera,parkassist,andautodimmingheadlamps);determineneededrepairs.

2. Inspect,test,andrepairorreplacecomponents,connectorsandwiringofcomfortandconvenienceaccessories.

3. Diagnoseoperationofheatedandcooledaccessoriesandrelatedcircuits(suchas:heated/cooledseats,heatedsteeringwheel,heatedmirror,heatedglass,andheated/cooledcupholders);determineneededrepairs.

4. Inspect,test,andrepairorreplacecomponents,connectorsandwiringofheatedandcooledaccessories.

5. Diagnoseoperationofsecurity/anti-theftsystemsandrelatedcircuits(suchas:theftdeterrent,doorlocks,remotekeylessentry,remotestart,andstarter/fueldisable);determineneededrepairs.

6. Inspect,test,andrepairorreplacecomponents,connectorsandwiringofsecurity/anti-theftsystems.

7. Diagnoseoperationofentertainmentandrelatedcircuits(suchas:radio,DVD,remoteCDchanger,navigation,amplifiers,speakers,antennas,andvoiceactivatedaccessories);determineneededrepairs.

8. Inspect,test,repairand/orreplacecomponents,connectorsandwiringof entertainmentsystems.

9. Diagnoseoperationofsafetysystemsandrelatedcircuits(suchas:airbags,seatbeltpretensioners,occupancyclassification,wipers,washers,collisionavoidance,passivespeedcontrol,heads-updisplay,parkassist,andbackupcamera);determineneededrepairs.

10. Inspect,test,andrepairorreplacecomponents,connectorsandwiringofsafety systems.


QuEStionS:

1. Inthechargingsystemshownabove,themeterreadingwillshow: (A)chargingoutputvoltage. (B)regulatoroperatingvoltage. *(C)chargingcircuitvoltagedrop (D)ignitionswitchvoltagedrop. 2. Theoilpressurelightstaysonwhenevertheengineisrunning.Theoilpressure

hasbeencheckedandmeetsspecs. TechnicianAsaysthatagroundinthecircuitbetweentheindicatorlightandthepressureswitchcouldbethecause. TechnicianBsaysthatanopeninthepressureswitchcouldbethecause. Whoisright?

*(A)Aonly (C)BothAandB (B)Bonly (D)NeitherAnorB 3. Thepassengersidepowerwindowoperatesproperlywhenusingthepassenger

sidecontrolswitch,butthewindowwillonlyoperateintheDOWNpositionwhenusingthedriver’ssidemastercontrolswitch.Whichofthesecouldbethecause?

(A)Apinchedwirefromthepassengersidecontrolswitchtothewindowmotor

(B)Anopenwiretothedriver’ssidewindowmotor (C)Agroundedpowerwiretothepowerwindowcircuitbreaker *(D)Anopencircuitinthedriver’ssidemastercontrolswitch

SAmplE QuEStionSElEctricAl/ElEctronic SyStEmS (tESt A6)

AltERNAtoR

BAttERY

BAttERY tERMINAl

IGNItIoN tERMINAl

VoltMEtER

IGNItIoN SWItCH


4. Thebulbinthecircuitshownabovedoesnotlight.Tofindtheactualvoltageatthebulb,thetechnicianshouldtouchthered(+)probeofthevoltmeterto:

(A)pointAandtheblack(-)probetoground. (B)groundandtheblack(-)probetopointG. *(C)pointGandtheblack(-)probetoground. (D)groundandtheblack(-)probetopointA.

5. TechnicianAsaysthatifafusiblelinkinthealternatorchargingcircuitisreplacedwithsystemsizedwire,thecircuitwillbeunprotected. TechnicianBsaysthatifafusiblelinkinthealternatorchargingcircuitisreplacedwithsystemsizedwire,thebatterywillovercharge. Whoisright?

*(A)Aonly (C)BothAandB (B)Bonly (D)NeitherAnorB 6. Astartersolenoidclicksbutthestarterdoesnotcranktheengine.

TechnicianAsaysthatburnedsolenoidcontactscouldbethecause. TechnicianBsaysthatapoorbatterycableconnectioncouldbethecause. Whoisright?



SWItCHH

GFEDC+ -

RED (+)

BlACK (-)

V

A FUSE+B


7. Thehornsinthecircuitshownaboveonlyblowwhenajumperwireis connectedbetweenterminals30and87ofthehornrelay. TechnicianAsaysthatafailedhornrelaycouldbethecause. TechnicianBsaysthatashort-to-groundinthecircuitbetweenthehornrelayandthehornbuttoncouldbethecause. Whoisright?

*(A)Aonly (C)BothAandB (B)Bonly (D)NeitherAnorB Questions 8 and 9 are not like the ones above. EachhasthewordEXCEPT.Foreachofthesequestions,lookforthechoice

thatcouldNOTcausethedescribedsituation.Readtheentirequestioncare-fullybeforechoosingyouranswer.

8. AllofthesecouldcausehighstartercurrentdrawEXCEPT: (A)wornstarterbushings. *(B)abadstarterrelay. (C)groundedfieldcoils. (D)agroundedarmature. 9. Thestarterwillnot“crank,”andthesolenoiddoesnot“click”onavehiclewith

anautomatictransmission.AllofthesecouldbethecauseEXCEPT: (A)amisadjustedneutralsafetyswitch. *(B)anopensolenoidhold-inwinding. (C)anopencircuitbetweenthesolenoidandtheignitionswitch. (D)anopeninthesolenoidgroundcircuit.



tESt SpEcificAtionS And tASk liSt HEAting And Air conditioning (tESt A7)

Content Questions Percentage Area in Test of Test A. A/C System Service, Diagnosis, and Repair 17 34% B. Refrigeration System Component Diagnosis and Repair 10 20% 1. Compressor and Clutch (5) 2. Evaporator, Condenser and Related Components (5) C. Heating and Engine Cooling Systems Diagnosis and Repair 4 8% D. Operating Systems and Related Controls Diagnosis and Repair 19 38% 1. Electrical (10) 2. Vacuum/Mechanical (2) 3. Automatic and Semi-Automatic Heating, Ventilating and A/C Systems (7)

Total 50 100%

A. A/C System Service, Diagnosis, and Repair (17 questions) 1. IdentifysystemtypeandconductperformancetestontheA/Csystem;determine

neededrepairs. 2. DiagnoseA/Csystemproblemsindicatedbysystempressuresand/ortemperature

readings;determineneededrepairs. 3. DiagnoseA/Csystemproblemsindicatedbysight,sound,smell,andtouch

procedures;determineneededrepairs. 4. LeaktestA/Csystem;determineneededrepairs. 5. IdentifyA/Csystemrefrigerantandexistingchargeamount;recoverrefrigerant. 6.EvacuateA/Csystem. 7. InspectA/Csystemcomponentsforcontamination;determineneededrepairs. 8. ChargeA/Csystemwithrefrigerant(liquidorvapor). 9. IdentifyA/Csystemlubricanttypeandcapacity;replenishlubricantifnecessary.10. Inspectandreplacepassengercompartment(cabinair,pollen)filter.11. Disarmandenabletheairbagsystemforvehicleservicefollowingmanufacturers

recommendedprocedures.12. Readdiagnostictroublecodes(DTCs)andinterpretscantooldatastream.13. Readandinterprettechnicalliterature(servicepublicationsandinformationincluding

wiringschematics).



14. Useascantool,digitalmultimeter(DMM),ordigitalstorageoscilloscope(DSO) toinspectortestHVACsystemsensors,actuators,circuits,andcontrolmodules; determineneededrepairs.

15. Verifycorrectoperationofcertifiedequipment.16. Recycleorproperlydisposeofrefrigerant.17. Labelandstorerefrigerant.18. Testrecycledrefrigerantfornon-condensablegases.

B. Refrigeration System Component Diagnosis and Repair (10 questions)

1. Compressor and Clutch (5 questions) 1. DiagnoseA/Csystemproblemsthatcausetheprotectiondevices(pressure,thermal,

andelectroniccontrols)tointerruptsystemoperation;determineneededrepairs. 2.Inspect,test,andreplaceA/Csystempressureandthermalprotectiondevices. 3.Inspect,adjust,andreplaceA/Ccompressordrivebelts,pulleysandtensioners. 4.Inspect,test,service,andreplaceA/Ccompressorclutchcomponentsorassembly. 5.Identifyrequiredlubricanttype;inspectandcorrectlevelinA/Ccompressor. 6.Inspect,test,serviceorreplaceA/Ccompressor. 7.Inspect,repairorreplaceA/Ccompressormountings/fasteners.

2. Evaporator, Condenser, and Related Components (5 questions) 1.Inspect,repair,orreplaceA/Csystemmufflers,hoses,lines,filters,fittings,andseals. 2.InspectA/Ccondenserforproperairflow. 3.Inspect,test,andcleanorreplaceA/Csystemcondenser;checkmountingsandair

seals. 4.Inspectandreplacereceiver/drier,accumulator/drier,ordesiccant. 5.Inspect,test,andreplaceexpansionvalve(s). 6.Inspectandreplaceorificetube(s). 7.Inspect,test,clean,orreplaceevaporator(s). 8.Inspect,cleanandrepairevaporatorhousing,andwaterdrain. 9.Inspect,test,andreplaceevaporatorpressure/temperaturecontrolsystemsanddevices.10.Identify,inspect,andreplaceA/Csystemservicevalves(gaugeconnections)and

valvecaps.11.InspectandreplaceA/Csystemhighpressurereliefdevice.

C. Heating and Engine Cooling Systems Diagnosis and Repair (4 questions) 1.Diagnosethecauseoftemperaturecontrolproblemsintheheater/ventilationsystem;

determineneededrepairs. 2.Diagnosewindowfoggingproblems;determineneededrepairs. 3.Performenginecoolingsystemtests(pressure,electrolysis,concentration,andcon-

tamination);determineneededrepairs. 4.Inspectandreplaceenginecoolingandheatersystemhosesandpipes. 5.Inspect,test,andreplaceradiator,pressurecap,coolantrecoverysystem,andwater

pump. 6.Inspect,test,andreplacethermostat,bypass,andhousing. 7.Identify,inspect,recovercoolant;flushandrefillsystemwithpropercoolant;bleed

systemasnecessary. 8.Inspect,test,andreplacefan,(bothelectricalandmechanical),fanclutch,fanbelts,

fanshroud,andairdams.



9. Inspect,test,andreplaceheatercoolantcontrolvalve(manual,vacuum,andelectricaltypes)andauxiliarycoolantpump.

10. Inspect,flush,andreplaceheatercore.

D. Operating Systems and Related Controls Diagnosis and Repair (19 questions)

1. Electrical (10 questions) 1. Diagnosethecauseoffailuresintheelectricalcontrolsystemofheating,ventilating,

andA/Csystems;determineneededrepairs. 2. Inspect,test,repair,andreplaceA/Cheaterblowermotors,blowermotorspeed

controls,resistors,switches,relays/modules,wiring,andprotectiondevices. 3. Inspect,test,repair,andreplaceA/Ccompressorclutchcoil,relay/modules,wiring,

sensors,switches,diodes,andprotectiondevices. 4. Inspect,test,repair,replace,andadjustA/Crelatedpowertraincontrolsystemsand

components. 5. Inspect,test,repair,replace,andadjustloadsensitiveA/Ccompressorcutoffsystems. 6. Inspect,test,repair,andreplaceenginecooling/condenserfanmotors,relays/modules,

switches,sensors,wiring,andprotectiondevices. 7. Inspect,test,adjust,repairandreplaceclimatecontrolsystemelectricactuatormotors,

relays/modules,switches,sensors,wiring,andprotectiondevices(includingdual/multi-zonesystems).

8. Inspect,test,service,orreplaceheating,ventilating,andA/Ccontrolpanelassemblies.

2. Vacuum/Mechanical (2 questions) 1. Diagnosethecauseoffailuresoftheheating,ventilating,andA/Cvacuumandme-

chanicalcontrolsystems;determineneededrepairs. 2. Inspect,test,service,orreplaceheating,ventilating,andA/Ccontrolpanelassemblies. 3. Inspect,test,adjust,andreplaceheating,ventilating,andA/Ccontrolcablesandlink-

ages. 4. Inspect,test,andreplaceheating,ventilating,andA/Cvacuumsystemactuators

(diaphragms/motors),hoses,reservoir,checkvalve,andrestrictors. 5. Inspect,test,adjust,repair,orreplaceheating,ventilating,andA/Cducts,doors,and

outlets(includingdual/multi-zonesystems).

3. Automatic and Semi-Automatic Heating, Ventilating, and A/C Systems (7 questions) 1. Diagnosetemperaturecontrolsystemproblems;determineneededrepairs. 2. Diagnoseblowersystemproblems;determineneededrepairs. 3. Diagnoseairdistributionsystemproblems;determineneededrepairs(includingdual/

multi-zonesystems). 4. Diagnosecompressorclutchcontrolsystem;determineneededrepairs. 5. Inspect,test,adjustorreplaceclimateandblowercontrolsensors. 6. Inspect,test,adjust,andreplacedooractuator(s). 7. Inspect,test,andreplaceheaterwatervalveandcontrols. 8. Inspect,test,andreplaceelectricandvacuummotors,solenoids,andswitches. 9. Inspect,test,replace,and/orprogramAutomaticTemperatureControl(ATC)control

paneland/orclimatecontrolcomputer/module.10. CheckandadjustcalibrationofAutomaticTemperatureControl(ATC)system.11. Diagnosedatacommunicationissues,includingdiagnostictroublecodes(DTCs)that

affectA/Csystemoperation.


QuEStionS:

1. Priortorecovery,anunknownrefrigerantisidentified.Thetechnicianshould: (A)dischargeitintotheatmosphere. *(B)recoveritandtreatitascontaminated. (C)recoveritandrecycleitasR-12. (D)recoveritandrecycleitasR-134a. 2. Acompressorclutchwillnotengage,butthereis14.2vandagoodgroundat

theclutchcoilconnector.Whichofthesecouldbethecause? (A)Alowrefrigerantlevel (B)Alocked-upcompressor *(C)Anincorrectairgap (D)Abadpressurecyclingswitch 3. TechnicianAsaysthatevacuatinganA/Csystemwillremoveair

andmoisturefromthesystem. TechnicianBsaysthatevacuatinganA/Csystemwillremovedirtparticlesfromthesystem. Whoisright?

*(A)Aonly (B)Bonly (C)BothAandB (D)NeitherAnorB 4. Theblowermotorintheschematic

shownworksonlywiththeblowerswitchintheNumber4position. Thiscouldbecausedbyafailed:

(A)blowermotor. (B)blowermotorground. (C)blowermotorrelay. *(D)blowermotorresistor.

SAmplE QuEStionS HEAting And Air conditioning (tESt A7)


5. TochargeanA/Csystemwhileitisrunning,therefrigerantshouldbeaddedto: (A)thehighsideonly. *(B)thelowsideonly. (C)boththehighandthelowsides. (D)eitherthehighorthelowside. 6. WiththeA/Csystemoperatingatanambient(outside)temperatureof85°F,

thelowpressureguagereads5psiandthehighpressureguagereads105psi.Whatdothesereadingsindicate?

(A)Normaloperation *(B)Lowrefrigerantlevel (C)Arestrictioninthehighside (D)Brokencompressorreedvalves 7. Thetechnicianmeasures14.2voltsattheA/Cclutchcoil,buttheA/Cclutch

willnotengage. TechnicianAsaysthatabadclutchcoilcouldbethecause. TechnicianBsaysthatabadclutchcoilgroundcouldbethecause. Whoisright? (A)Aonly *(C)BothAandB (B)Bonly (D)NeitherAnorB Question 8 is not like the ones above. IthasthewordEXCEPT.Forthisquestion,lookforthechoicethatcould


8. ThehighsidepressureinanA/Csystemisabovespecs.AllofthesecouldbethecauseEXCEPT:

(A)anoverchargeofrefrigerant. (B)arestrictedairflowacrossthecondenser. (C)apluggedexpansionvalve. *(D)abrokencompressorreedvalve.



tESt SpEcificAtionS And tASk liStEnginE pErformAncE (tESt A8)

Content Questions Percentage Area in Test of Test A. General Diagnosis 12 24% B. Ignition System Diagnosis and Repair 8 16% C. Fuel, Air Induction and Exhaust Systems Diagnosis and Repair 9 18% D. Emissions Control Systems Diagnosis and Repair (Including OBD II) 8 16% 1. Positive Crankcase Ventilation (1) 2. Exhaust Gas Recirculation (2) 3. Secondary Air Injection (AIR) and Catalytic Converter (2) 4. Evaporative Emissions Controls (3) E. Computerized Engine Controls Diagnosis and Repair (Including OBD II) 13 26%

Total 50 100%

A. General Diagnosis (12 questions) 1. Verifydriver’scomplaint,performvisualinspection,and/orroadtestvehicle;

determineneededaction. 2. Researchapplicablevehicleandserviceinformation,suchasenginemanagement

systemoperation,vehicleservicehistory,serviceprecautions,technicalservice bulletins,andservicecampaigns/recalls.

3. Diagnosenoisesand/orvibrationproblemsrelatedtoengineperformance;determineneededaction.

4. Diagnosethecauseofunusualexhaustcolor,odor,andsound;determineneededac-tion.

5. Performenginemanifoldvacuumorpressuretests;determineneededaction. 6. Performcylinderpowerbalancetest;determineneededaction. 7. Performcylindercrankingcompressiontest;interpretrunningcompressiontest

results;determineneededaction. 8. Performcylinderleakage/leak-downtest;determineneededaction. 9. Diagnoseenginemechanical,electrical,electronic,fuel,andignitionproblemswith

anoscilloscope,engineanalyzer,and/orscantool;determineneededaction.



10. PrepareandinspectvehicleforHC,CO,CO2,andO2exhaustgasanalysis;performtestandinterpretexhaustgasreadings.

11. Verifyvalveadjustmentonengineswithmechanicalorhydrauliclifters.12. Verifycamshafttiming;verifyoperationofcamshafttimingcomponents,including

enginesequippedwithvariablevalvetiming;determineneededaction.13. Diagnoseemissionsordriveabilityproblemscausedbyoilrelatedissues,suchas

incorrectpressure,poorquality,incorrectlevel,orincorrecttypeusedforthe application.

14. Verifyengineoperatingtemperature,checkcoolantlevelandcondition,performcoolingsystempressuretest;determineneededrepairs.

15. Inspectandtestmechanically/hydraulically/electronicallyoperatedfans,fanclutch,fanshroud/ducting,andfancontroldevices;determineneededrepairs.

16. Readandinterpretelectricalschematicdiagramsandsymbols.17. Testanddiagnoseemissionsordriveabilityproblemscausedbybatterycondition,

connections,orexcessivekey-offbatterydrain;determineneededrepairs.18. Performstartercurrentdrawtest;determineneededaction.19. Performstarterandchargingcircuitvoltagedroptests;determineneededaction. 20Testanddiagnoseengineperformanceproblemsresultingfromchargingsystem

failures;determineneededaction.21. Inspect,adjust,andreplacealternator(generator)drivebelts,pulleys,clutches,

tensionersandfans.22. Inspect,test,andrepairorreplacechargingcomponents,connectorsandwiresinthe

starterandchargingcontrolcircuits.Inspect,test,andrepairorreplacecomponentsandwiresinthestartercontrolcircuit.

B. Ignition System Diagnosis and Repair (8 questions) 1. Diagnoseignitionsystemrelatedproblemssuchasnostarting,hardstarting,engine

misfire,poordriveability,sparkknock,powerloss,poormileage,andemissions problems;determinerootcause;determineneededrepairs.

2. Interpretignitionsystemrelateddiagnostictroublecodes(DTCs);determineneededrepairs.

3. Inspect,test,repair,orreplaceignitionprimarycircuitwiringandcomponents. 4. Inspect,test,service,repairorreplaceignitionsystemsecondarycircuitwiringand

components. 5. Inspect,test,andreplaceignitioncoil(s). 6. Inspect,test,andreplaceignitionsystemsensors;adjustasnecessary. 7. Inspect,test,and/orreplaceignitioncontrolmodule(ICM)/powertrain/enginecontrol

module(PCM/ECM);reprogramasneeded.



C. Fuel, Air Induction and Exhaust System Diagnosis and Repair (9 questions)NOTE:Fuelandairinductionsystemdiagnosisandrepairwillincludevehiclesequippedwithspeeddensity(MAP)andmassairflow(MAF)systems.TheseapplicationswillbeidentifiedinASEtests. 1. Diagnosefuelsystemrelatedproblems,includinghotorcoldnostarting,hard

starting,poordriveability,incorrectidlespeed,pooridle,flooding,hesitation,surg-ing,enginemisfire,powerloss,stalling,poormileage,andemissionsproblems;determinerootcause;determineneededaction.

2. Interpretfuelorinductionsystemrelateddiagnostictroublecodes(DTCs);analyzefueltrimandotherscantooldata;determineneededrepairs.

3. Inspectfueltank,fillerneck,andgascap;inspectandreplacefuellines,fittings,andhoses;checkfuelforcontaminantsandquality;determineneededrepairs.

4. Inspect,test,andreplacefuelpump(s)and/orfuelpumpassembly;inspect,service,andreplacefuelfilters.

5. Inspectandtestelectricfuelpumpcontrolcircuitsandcomponents;determineneededrepairs.

6. Inspect,test,andrepairorreplacefuelpressureregulationsystemandcomponents offuelinjectionsystems;performfuelpressure/volumetest.

7. Inspect,remove,serviceorreplacethrottleassembly;makerelatedadjustments and/orperforminitializationorrelearnprocedureasrequired.

8. Inspect,test,clean,andreplacefuelinjectorsandfuelrails. 9. Inspect,service,andrepairorreplaceairfiltrationsystemcomponents.10. Inspectthrottleassembly,airinductionsystem,intakemanifoldandgasketsfor

air/vacuumleaks,restrictionsand/orunmeteredair.11. Remove,clean,inspect,test,andrepairorreplacefuelsystemvacuumandelectrical

componentsandconnections.12. Inspect,service,andreplaceexhaustmanifold,exhaustpipes,oxygensensors,

mufflers,catalyticconverters,resonators,tailpipes,andheatshields.13. Testforexhaustsystemrestrictionorleaks;determineneededaction.14. Inspect,test,cleanandrepairorreplaceturbochargerorsuperchargerandsystem

components.

D. Emissions Control Systems Diagnosis and Repair (Including OBD II) (8 questions)

1. Positive Crankcase Ventilation (1 question) 1. Testanddiagnoseemissionsordriveabilityproblemscausedbypositivecrankcase

ventilation(PCV)system. 2. Inspect,service,andreplacepositivecrankcaseventilation(PCV)filter/breathercap,

valve,oilseparatortubes,orifice/meteringdevice,andhoses.

2. Exhaust Gas Recirculation (2 questions) 1. Testanddiagnosedriveabilityproblemscausedbytheexhaustgasrecirculation

(EGR)system. 2. Interpretexhaustgasrecirculation(EGR)relatedscantooldataanddiagnostictrouble

codes(DTCs);determineneededrepairs. 3. Inspect,test,service,andreplacecomponentsoftheEGRsystem,includingEGR

valve,tubing,passages,vacuum/pressurecontrols,filters,hoses,electrical/electronicsensors,controls,solenoidsandwiringofexhaustgasrecirculation(EGR)systems.



3. Secondary Air Injection (AIR) and Catalytic Converter (2 questions) 1. Testanddiagnoseemissionsordriveabilityproblemscausedbythesecondaryair

injectionorcatalyticconvertersystems. 2. Interpretsecondaryairinjectionsystemrelatedscantooldataanddiagnostictrouble

codes(DTCs);determineneededrepairs. 3. Inspect,test,service,andreplacemechanicalcomponentsandelectrical/

electronically-operatedcomponentsandcircuitsofsecondaryairinjectionsystems. 4. Inspectcatalyticconverter.Interpretcatalyticconverterrelateddiagnostictrouble

codes(DTCs);analyzerelatedscantooldatatodeterminerootcauseofDTCs; determineneededrepairs.

4. Evaporative Emissions Controls (3 questions) 1. Testanddiagnoseemissionsordriveabilityproblemscausedbytheevaporative

emissionscontrolsystem. 2. Interpretevaporativeemissions-relatedscantooldataanddiagnostictroublecodes

(DTCs);determineneededrepairs. 3. Inspect,test,andreplacecanister,lines/hoses,mechanicalandelectricalcomponents

oftheevaporativeemissionscontrolsystem.

E. Computerized Engine Controls Diagnosis and Repair (Including OBD II) (13 questions) 1. Retrieveandrecorddiagnostictroublecodes(DTCs),OBDIImonitorstatusand

freezeframedata. 2. Diagnosethecausesofemissionsordriveabilityproblemswithstoredoractive

diagnostictroublecodes(DTCs). 3. Diagnosethecausesofemissionsordriveabilityproblemswithoutdiagnostictrouble

codes(DTCs). 4. Useascantool,digitalmultimeter(DMM),ordigitalstorageoscilloscope(DSO)

toinspectortestcomputerizedenginecontrolsystemsensors,actuators,circuits, andpowertrain/enginecontrolmodule(PCM/ECM);determineneededrepairs.

5. Measureandinterpretvoltage,voltagedrop,amperage,andresistanceusingdigitalmultimeter(DMM)readings.

6. Test,remove,inspect,clean,service,andrepairorreplacepowerandground distributioncircuitsandconnections.

7. Removeandreplacethepowertrain/enginecontrolmodule(PCM/ECM);reprogramasneeded.

8. Diagnosedriveabilityandemissionsproblemsresultingfromfailuresofinterrelatedsystems(forexample:cruisecontrol,securityalarms/theftdeterrent,torquecontrols,tractioncontrols,torquemanagement,A/C,non-OEMinstalledaccessories).

9. Cleardiagnostictroublecodes(DTCs),runallOBDIImonitors,andverifytherepair.


SAmplE QuEStionS EnginE pErformAncE (tESt A8)

1. Anengineequippedwiththeignitionsystemshownabovemisfireson cylinders#1and#4. TechnicianAsaysthatafailedignitioncoilcouldbethecause. TechnicianBsaysthataweakrpmsignaltothePCMcouldbethecause. Whoisright.

*(A)Aonly (C)BothAandB (B)Bonly (D)NeitherAnorB 2. Whiletheengineisrunning,atechnicianpullsthePCVvalveoutofthevalve

coverandplugsthevalveopening.Therearenochangesinengineoperation. TechnicianAsaysthatthePCVvalvecouldbestuckintheopenposition. TechnicianBsaysthatthehosebetweentheintakemanifoldandthePCVvalvecouldbeplugged. Whoisright?

(A)Aonly (C)BothAandB *(B)Bonly (D)NeitherAnorB

QuEStionS:


3. Afterthecompressionreadingsshownaboveweretaken,awetcompressiontestwasmade.Thesecondsetofreadingswasalmostthesameasthefirst. TechnicianAsaysthataburnedvalvecouldcausethesereadings. TechnicianBsaysthatabrokenpistonringcouldcausethesereadings. Whoisright?

*(A)Aonly (C)BothAandB (B)Bonly (D)NeitherAnorB 4. Bluesmokecomesfromtheexhaustpipeofavehicle.

TechnicianAsaysthatblockedcylinderheadoilreturnpassagescouldbethecause.TechnicianBsaysthatastuckopenthermostatcouldbethecause. Whoisright?

*(A)Aonly (C)BothAandB (B)Bonly (D)NeitherAnorB 5. Avehiclewithacomputer-controlled(feedback)enginehaspoorgasmileage.

Enginetestsshowarichmixture. TechnicianAsaysthatabadoxygen(O2)sensorcouldbethecause. TechnicianBsaysthatabadenginecoolanttemperaturesensorcouldbethecause. Whoisright?

(A)Aonly *(C)BothAandB (B)Bonly (D)NeitherAnorB 6. Avacuumgaugeisconnectedtotheintakemanifoldofanengineandthe

engineisrunat2,000rpm.Duringthetest,thepointeronthegaugefluctuatesrapidlybetweenreadingsof10and22inchesofvacuum.Thesetestresultspointto:

(A)aleakingintakemanifoldgasket. (B)wornpistonrings. (C)wornvalveguides. *(D)aweakorbrokenvalvespring.


140

135

5CoMPRESSIoN SPECS

140


7. Thetechnicianfindsnosparkandnoinjectorpulsesonavehiclethatwillnotstart.Themostlikelycauseisafailed:

(A)massairflowsensor(MAF). *(B)crankshaftpositionsensor(CKP). (C)throttlepositionsensor(TPS). (D)fuelpumpmodule(FP). 8. Anenginewithanelectronicfuelinjection(EFI)systemhashighfuelpressure

atidle.Whichofthesecouldbethecause? *(A)Lowmanifoldvacuum (B)Aleakingfuelpumpcheckvalve (C)Apluggedfuelinjector (D)Highmanifoldvacuum 9. Whichofthesecancauseacatalyticconvertertooverheat? (A)Abrokenairpumpdrivebelt (B)Apluggedcanisterpurgevacuumhose (C)Afailedexhaustgasrecirculation(EGR)valve *(D)Adisconnectedsparkplugwire

Question 10 is not like the ones above. IthasthewordEXCEPT.LookforthechoicethatcouldNOTcausethe

describedsituation.Readtheentirequestioncarefullybeforechoosingyouranswer.

10. Enginedetonation(knock)couldbecausedbyanyoftheseEXCEPT: (A)aleanairfuelmixture. *(B)retardedignitiontiming. (C)excesscarboninthecombustionchambers. (D)astuck-closedexhaustgasrecirculation(EGR)valve.



tESt SpEcificAtionS And tASk liStligHt vEHiclE diESEl EnginES (tESt A9)

Content Questions Percentage Area in Test* of Test A. General Diagnosis 9 18% B. Cylinder Head and Valve Train Diagnosis and Repair 5 10% C. Engine Block Diagnosis and Repair 5 10% D. Lubrication and Cooling Systems 6 12% Diagnosis and Repair E. Air Induction and Exhaust Systems 12 24% Diagnosis and Repair F. Fuel System Diagnosis and Repair 13 26%

Total 50 100%

A. General Diagnosis (9 questions) 1. Verifythecomplaint,androad/dynotestvehicle;reviewdriver/customerconcerns

andvehicleservicehistory(ifavailable);determinefurtherdiagnosis. 2. Recordvehicleidentificationnumber(VIN).Identifyenginemodel,calibrationand

serialnumberstoresearchapplicablevehicleandserviceinformation,service precautions,andtechnicalservicebulletins;determineneededactions.

3. Performscantoolcheckandvisualinspectionforphysicaldamageandmissing,modified,ortamperedcomponents;determineneededrepairs.

4. Check,andrecordelectronicdiagnosticcodes,freezeframeand/oroperationaldata;monitorscantooldata;clearcodes;determinefurtherdiagnosis.

5. Inspectengineassemblyandcompartmentforfuel,oil,coolant,exhaust,orotherleaks;determineneededrepairs.

6. Inspectenginecompartmentwiringharness,connectors,seals,andlocks;check forproperroutingandcondition;determineneededrepairs.

7. Listenforandisolateenginenoises;determineneededrepairs. 8. Isolateanddiagnoseenginerelatedvibrationproblems;determineneededactions. 9. Checkengineexhaustforodorandsmokecolor;determinefurtherdiagnosis.10. Checkfuelforcontamination,quantity,quality,andconsumption;determineneeded

actions.11. Performcrankcasepressuretest;determinefurtherdiagnosis.12. Diagnosesurging,roughoperation,misfiring,lowpower,slowdeceleration,slow

accelerationandshutdownproblems;determineneededactions.


13. Checkcoolingsystemforfreezepoint,level,contamination,temperature,pressure,circulation,andfanoperation;determineneededrepairs.

14. Checklubricationsystemforcontamination,oillevel,temperature,pressure, filtration,andoilconsumption;determineneededrepairs.

15. Diagnosenocranking,cranksbutfailstostart,hardstarting,andstartsbutdoesnotcontinuetorunproblems;determineneededactions.

16. Diagnoseengineproblemscausedbybatterycondition,connections,orexcessivekey-offbatterydrain;determineneededrepairs.

17. Diagnoseengineproblemsresultingfromanundercharge,overcharge,orano-chargecondition;determineneededaction.

B. Cylinder Head and Valve Train Diagnosis and Repair (5 questions) 1. Remove,inspect,disassemble,andcleancylinderheadassembly(s). 2. Inspectthreadedholes,studs,andboltsforserviceability;service/replaceasneeded. 3. Measurecylinderheadthickness,andcheckmatingsurfacesforwarpageandsurface

finish;inspectforcracks/damage;checkconditionofpassages;inspectcoreand galleryplugs;determineserviceabilityandneededrepairs.

4. Inspectvalves,guides,seats,springs,retainers,rotators,locksandseals;determineserviceabilityandneededrepairs.

5. Inspectand/orreplaceinjectorsleeves,glowplugsleeves,andseals;pressuretesttoverifyrepair(ifapplicable);measureinjectortip,nozzle,orprechamberprotrusionwherespecifiedbymanufacturer.

6. Inspect,and/orreplacevalvebridges(crossheads)andguides;adjustbridges (crossheads)ifapplicable.

7. Reassemble,check,andinstallcylinderheadassemblyandgasketasspecified bythemanufacturer.

8. Inspectpushrods,rockerarms,rockerarmshafts,electronicwiringharness,andbrackets;repair/replaceasneeded.

9. Inspect,install,andadjustcamfollowersandretainers;adjustvalveclearance.10. Inspect,measure,andreplace/reinstalloverheadcamshaftandbearings;measure

andadjustendplay.

C. Engine Block Diagnosis and Repair (5 questions) 1. Remove,inspect,service,andinstallpans,covers,ventilationsystems,gaskets,seals,

andwearrings. 2. Disassemble,cleanandinspectengineblockforcracks;checkmatingsurfacesand

relatedcomponentsfordamageorwarpageandsurfacefinish;checkdeckheight;checkconditionofpassages,core,andgalleryplugs;inspectthreadedholes,studs,dowelpinsandboltsforserviceability;service/replaceasneeded.

3. Inspectandmeasurecylinderwallsforwearanddamage;determineneededservice. 4. Inspectin-blockcamshaftbearingsforwearanddamage;replaceasneeded. 5. Inspect,measure,andreplace/reinstallin-blockcamshaft;checkandcorrectendplay;

inspect,replace/reinstall,andadjustcamfollowers(ifapplicable). 6. Cleanandinspectcrankshaftandjournalsforsurfacecracksanddamage;check

conditionofoilpassages;checkpassageplugs;measurejournaldiameters;checkmountingsurfaces;determineneededservice.



7. Determinetheproperselect-fitcomponentssuchaspistons,connectingrodandmainbearings.

8. Inspectandreplacemainbearings;checkcapfitandbearingclearances;checkandcorrectcrankshaftendplay.

9. Inspectandtimethedrivegeartraincomponents(includesgear,chain,andbelt systems).

10. Inspect,measure,orreplacepistons,pins,andretainers.11. Measurepiston-to-cylinderwallclearance.12. Identifypiston,connectingrodbearing,andmainbearingwearpatternsthatindicate

connectingrodandcrankshaftalignmentorbearingboreproblems;checkbearingboreandbushingcondition;determineneededrepairs.

13. Checkring-to-groovefitandendgaps;installringsonpistons.Assemblepistonsandconnectingrodsandinstallinblock;checkpistonheight/protrusion;checklinerheight/protrusion(ifapplicable);replacerodbearingsandcheckclearances;checkcondition,position,andclearanceofpistoncoolingjets(nozzles).

14. Inspectcrankshaftvibrationdamper.15. Inspectflywheel/flexplateand/ordual-massflywheel(includingringgear)and

mountingsurfacesforcracks,wear,andrunout;determineneededrepairs.

D. Lubrication and Cooling Systems Diagnosis and Repair (6 questions) 1. Verifyengineoilpressureandcheckoperationofpressuresensor/switchandpressure

gauge;verifyengineoiltemperatureandcheckoperationoftemperaturesensor. 2. Inspect,measure,repair/replaceoilpump,housing,drives,pipes,andscreens;check

drivegearclearance. 3. Inspect,repair/replaceoilpressureregulatorvalve(s),andby-passvalve(s). 4. Inspect,clean,test,reinstall/replaceoilcooler,by-passvalve,linesandhoses. 5. Inspectturbochargerlubricationandcoolingsystems;repair/replaceasneeded. 6. Changeengineoilandfilters;addpropertype,viscosity,andratingofoil. 7. Inspectandreinstall/replacepulleys,tensionersanddrivebelts;adjustdrivebelts

andcheckalignment. 8. Verifycoolanttemperature;checkoperationoftemperatureandlevelsensors,switch,

andtemperaturegauge. 9. Inspectandreplacethermostat(s),by-passes,housing(s),andseals.10. Flushandrefillcoolingsystem;addpropercoolanttype;bleedairfromsystem.11. Inspectandreplacewaterpump,housing,hoses,andidlerpulleyordrivegear.12. Inspectradiator,pressurecap,andtank(s);pressuretestcoolingsystemandradiator

cap;determineneededrepairs.13. Inspect,repair/replacefan,fanhub,clutch,controls,andshroud.

E. Air Induction and Exhaust Systems Diagnosis and Repair (12 questions) 1. Performairintakesystemrestrictionandleakagetests;determineneededactions. 2. Performintakemanifoldpressuretests;determineneededactions. 3. Inspect,service/replaceairinductionpiping,aircleaner,andelement. 4. Inspecttest,andreplaceturbocharger(s)(includingvariableratio/geometryVGT),

pneumatic,hydraulic,andelectroniccontrolsandactuators;inspect,test,andreplacewastegateandwastegatecontrols.

5. Inspectandreplaceintakemanifold,gaskets,temperatureandpressuresensors,andconnections.



6. Inspect,test,clean,replacechargeaircoolerandpipingsystem. 7. Performexhaustbackpressureandtemperaturetests;determineneededactions. 8. Inspect,repair/replaceexhaustmanifold,gaskets,piping,mufflers,exhaustafter

treatmentdevices,andmountinghardware. 9. Inspect,test,andrepair/replacepreheater/inletairheater,and/orglowplugsystem

andcontrols.10. Inspect,test,andreplaceexhaustaftertreatmentsystemcomponentsandcontrols;

checkregenerationsystem.11. Inspect,test,service,andreplaceEGRsystemcomponents;includingEGRvalve(s),

cooler(s),piping,electronicsensors,controls,andwiring.12. Inspect,test,andreplaceEGRair-flowcontrol(throttle)valveandcontrols.13. Inspect,test,andreplacecrankcaseventilationsystemcomponents.

F. Fuel System Diagnosis and Repair (13 questions) 1. Inspect,clean,test,andrepair/replacefuelsystemtanks,vents,caps,mounts,valves,

single/dualsupplyandreturnlines,andfittings. 2. Inspect,clean,test,repair/replacefueltransferand/orsupplypump,strainers,

fuel/waterseparators/indicators,filters,heaters,coolers,ECMcoolingplates (ifapplicable),andmountinghardware.

3. Checkfuelsystemforair;determineneededrepairs;primeandbleedfuelsystem;check,repair/replaceprimerpump.

4. Inspect,test,repair/replacelowpressureregulatorsupplyandreturnsystems. 5. Inspect,reinstall/replacehigh-pressureinjectionlines,fittings,seals,andmounting

hardware. 6. Inspect,adjust,repair/replaceelectronicthrottleandPTOcontroldevices,circuits,

andsensors. 7. Performon-engineinspections,tests,andreplacehighpressurecommonrailfuel

systemcomponentsandelectroniccontrols. 8. Performon-engineinspections,tests,andreplacehydraulicelectronicunitinjectors

(HEUI)componentsandelectroniccontrols(railpressurecontrol). 9. Performon-engineinspections,tests,andreplacepump-line-nozzlefuelsystem

(PLN-E)componentsandelectroniccontrols.10. Performon-engineinspections,testsandreplaceelectronicunitinjectors(EUI)

componentsandelectroniccontrols.11. Inspectandreplaceelectricalconnectorterminals,pins,harnesses,seals,andlocks.12. Connectdiagnostictooltovehicle/engine;access,verifyandupdatesoftware

calibrationsettings;performECMre-learnproceduresasneeded.13. Useadiagnostictool(hand-heldorPCbased)toinspectandtestelectronicengine

controlsystem,sensors,actuators,electroniccontrolmodules(ECMs/PCMs),andcircuits;determinefurtherdiagnosis.

14. Measureandinterpretvoltage,voltagedrop,amperage,andresistancereadingsusingadigitalmultimeter(DMM)orappropriatetestequipment.

15. Diagnoseengineproblemsresultingfromfailuresofinter-relatedsystems (forexample:cruisecontrol,securityalarms/theftdeterrent,transmissioncontrols,electronicstabilitycontrol,non-OEMinstalledaccessories).



SAmplE QuEStionS ligHt vEHiclE diESEl EnginES (tESt A9)

QuEStionS:1. Anelectronicdieselenginehasanactivediagnostictroublecodefor“single

cylinder#3misfire.”Thiscouldbecausedby: *(A) lowcompressioninthe#3cylinder. (B) anopen#3cylinderglowplug. (C) ashorted#3cylinderglowplug. (D)anincorrectfuelcetanerating.2. Avehiclehaslowpowerunderload.Whichofthesecouldbethecause? *(A)Aleakingchargeaircooler (B)Aleakintheturbochargerinletpiping (C)Usinganoffroadgradeoffuel (D)Anopeninthemassairflowsensorcircuit3. AvehicleequippedwithaHEUIfuelsystemishardtostartatenginetempera-

tureslowerthan35°F(1.7°C). TechnicianAsaysthatworninjectorscouldbethecause. TechnicianBsaysthatanopenglowplugcouldbethecause. Whoisright?

*(A)Aonly (B)Bonly (C)BothAandB (D)NeitherAnorB4. TechnicianAsaysthatthevanesinavariablegeometryturbo(VGT)system

areclosedatW.O.T. TechnicianBsaysthatstickingvanesinavariablegeometryturbo(VGT)sys-temcanbedeterminedbyobservingtheMAFsensorvoltagereadings onascantool. Whoisright?



5. Anelectronicfuelinjectoronadieselenginewithahigh-pressurecommon railinjectionsystemisbeingreplaced.Theinformationatpoint“Y”inthe illustrationshowaboveindicatestheinjector:

(A)barcode. (B)maximumpressurerating. (C) openingpressure. *(D)calibrationcoding.6. Theownerofadieselvehiclecomplainsofaseriousvibrationatidle.

AnyofthesecouldbethecauseEXCEPT: (A)abrokenmotormount. (B)misfiringcylinders. (C) anincorrectidlespeed. *(D)astuck-closedEGRvalve.



tESt SpEcificAtionS And tASk liStAutomobilE SErvicE conSultAnt (tESt c1)

Content Questions Percentage Area in Test* of Test A. Communications 26 52% 1. Customer Relations (12) 2. Sales Skills (10) 3. Internal Relations (4) B. Product Knowledge 21 42% 1. Engine Systems (Includes Mechanical, Cooling, Fuel,Ignition, Exhaust, Emissions Control, and Starting/Charging) (4) 2. Drive Train Systems (Includes Manual Transmission/Transaxles, Automatic Transmission/Transaxles and Drive Train Components) (3) 3. Chassis Systems (Includes Frames, Brakes, ABS, Traction Control, Suspension, Steering, Wheels, Tires, and TPMS) (4) 4. Body Systems (Includes Heating and Air Conditioning, Electrical, Restraint, and Accessories) (3) 5. Services/Maintenance Intervals (3) 6. Warranty, Service Contracts, Service Bulletins, and Campaigns/Recalls (2) 7.VehicleIdentification(2) C. Shop Operations 3 6%

Total 50 100%

A. Communications (26 questions)

1. Customer Relations (12 questions) 1. Demonstratepropertelephoneskills. 2. Obtain,confirm,anddocumentpertinentvehicle/customercontactinformation. 3. Identify,verify,anddocumentcustomerconcern/request. 4. Demonstrateappropriategreetingskills. 5. Discussalternativetransportationoptions. 6. Promoteprocedures,benefits,andcapabilitiesofservicefacility. 7. Reviewvehicleservicehistory. 8. Identifyandrecommendserviceandmaintenanceneeds.


9. Establishjobstatus/completionexpectations.10. Confirmtheaccuracyoftherepairorderandobtainrepairauthorization.11. Identifycustomertype(firsttime,warranty,repeatrepair,fleet,etc.)andmethod

ofpayment.12. Presentprofessionalimage.13. Performcustomerfollow-up.14. Explainandconfirmunderstandingofworkperformed,charges,andwarranties.

2. Sales Skills (10 questions) 1. Provideandexplainestimates. 2. Identifyandprioritizevehicleneeds. 3. Addressoriginalconcernswithcustomer. 4. Communicatethevalueofrelatedandadditionalservices. 5. Explainproduct/servicefeaturesandbenefits. 6. Overcomeobjections/finalizesale.

3. Internal Relations (4 questions) 1. Effectivelycommunicatecustomerserviceconcern/request. 2. Understandthetechnician’sdiagnosisandservicerecommendations. 3. Verifyavailabilityofrepairparts. 4. Establishcompletionexpectations. 5. Monitorrepairprogress/qualitycontrol. 6. Documentinformationaboutservicesperformedorrecommended. 7. Communicatewithshoppersonnelaboutshopproduction/efficiency. 8. Maintainopenlinesofcommunicationwithintheorganization.

B. Product Knowledge (21 questions)

1. Engine Systems (4 questions)(IncludesMechanical,Cooling,Fuel,Ignition,Exhaust,EmissionsControl,and Starting/Charging) 1. Identifymajorcomponentsandlocation. 2. Identifycomponentfunction. 3. Identifyrelateditems

2. Drive Train Systems (3 questions)

(Includes Manual Transmission/Transaxles, Automatic Transmission/Transaxles, and Drive Train Components) 1. Identifymajorcomponentsandlocation. 2. Identifycomponentfunction. 3. Identifyrelateditems.

3. Chassis Systems (4 questions)(IncludesFrames,Brakes,ABS,TractionControl,Suspension,Steering,Wheels,Tires,andTPMS) 1. Identifymajorcomponentsandlocation. 2. Identifycomponentfunction. 3. Identifyrelateditems.

c1 tASk liSt (continuEd)


4. Body Systems (3 questions)(IncludesBodyComponents,Glass,HeatingandAirConditioning,Electrical,Restraint,andAccessories) 1. Identifymajorcomponentsandlocation. 2. Identifycomponentfunction. 3. Identifyrelateditems.

5. Services/Maintenance Intervals (3 questions) 1. Understandtheelementsofamaintenanceprocedure. 2. Identifyrelatedmaintenanceandresetprocedures. 3. Locateandinterpretmaintenancescheduleinformation.

6. Warranty, Service Contracts, Service Bulletins, and Campaigns/Recalls (2 questions) 1. Demonstrateknowledgeofwarrantypoliciesandprocedures/parameters. 2. Locateandusereferenceinformationforwarranties,servicecontracts,service

bulletins,andcampaigns/recalls. 3. Demonstrateknowledgeofservicecontracts,technicalservicebulletins,and

campaign/recallprocedures. 4. Verifyapplicabilityofwarranty,servicecontracts,andcampaigns/recalls.

7. Vehicle Identification (2 questions) 1. LocateandutilizevehicleIDnumber(VIN). 2. Locateproductiondate. 3. Locateandutilizecomponentidentificationdata. 4. Identifybodystyles.

C. Shop Operations (3 questions) 1. Manageworkflow. 2. Demonstrateknowledgeofsubletprocedures. 3. Maintaincustomerappointmentlog. 4. Addressrepeatrepairs/comebacks.

c1 tASk liSt (continuEd)


SAmplE QuEStionSAutomobilE SErvicE conSultAnt (tESt c1)

QuEStionS:

1. Acustomerrequeststhatthetimingbeadjustedontheirvehicle.Theserviceconsultantshould:

(A)explainthatignitiontimingmaynotbeadjustable *(B)askthecustomerabouttheirvehiclesymptoms (C)quoteapricefortherequest (D)suggestnewsparkplugswiththeservice.

2. Acustomercomesinfora30,000mileservice.Whilecompletingtheservice,thetechniciannotesthatthevehiclewillsoonneedthefrontbrakepadsre-placed.Whichoftheseisthebestwaytoaddressthisneedwiththecustomer?

(A)Notethetechnician’scommentsonthecustomer’srepairorder. (B)Inputthetechnician’scommentsinthedealership’sdatabaseforreviewat

thenextservice *(C)Callthecustomerandoffertocompletetherepairexplainingwhyitis

needed. (D)Addresstheneedwhenthecustomerarrivestopickuptheirvehicle.

3. Whichofthesefunctionsisperformedbytheenginetimingbelt? (A)Itconnectsthepistonstothecrankshaft (B)Itcanbeusedtoadjustsparktiming *(C)Itdrivesthecamshaft. (D)ItcontrolsengineRPM

4. Avehicle’s“ABS”lightremainsonwhiledriving. ServiceConsultantAsaysthatwhilethelightison,theABSsystemwillstillfunction. ServiceConsultantBsaysthatwhilethelightison,themechanicalbrakesystemwillstillfunction. Whoisright?

(A)Aonly *(B)Bonly (C)BothAandB (D)NeitherAnorB


5. ServiceConsultantAsaysthatmaintenanceschedulesaremostlikelyfound intheextendedwarrantycontract. ServiceConsultantBsaysthatmaintenanceschedulesarebasedontime andmileage. Whoisright?

(A)Aonly *(B)Bonly (C)BothAandB (D)NeitherAnorB

6. AllofthesearemaintenanceitemsEXCEPTa: (A)Transmissionflush (B)60Kservice *(C)Waterpumpleak (D)Tirerotation

c1 SAmplE QuEStionS (continuEd)


SpEcificAtionS And tASk liSt comprESSEd nAturAl gAS vEHiclE (tESt f1)

Content Questions Percentage Area in Test of Test A. Vehicle Inspection for Condition, Suitability, and Compliance 5 9.1% B. Equipment Suitability Installation and Inspection 8 14.5% C. Leak Testing and Repairs 6 10.9% D. Emissions,PerformanceVerification, and Adjustments 11 20.0% E. System Diagnosis, Maintenance, and Repair 16 29.1% F. General Cylinder Safety and Maintenance 9 16.4%

Total 55 100%

Note:AllCNGvehicleconversion,testing,service,andrepairshouldbeperformedusingvehicleandcomponentmanufacturer’sguidelinesandcurrentNFPA52and/orlocalsafetystandards.

A. Vehicle Inspection for Condition, Suitability and compliance (5 questions) 1.Inspectvehicleforfitness(weight,mileage,applicableemissionsstandards,and

safetystandards). 2. Analyzeengineperformance;determineneededrepairs. 3. Verifysize,weightandcapacityofcompressednaturalgascylinder(s). 4.Inspectforproperlocationandmountingofcompressednaturalgascylindersand

fuelsystemcomponents. 5. Inspectforlocation,conditionandcomplianceofventingsystem(s).

B. Equipment Installation and Inspection (8 questions) 1. Visuallyinspectfuelstoragecylindersandsystemcomponentspriortoinstallation. 2. Installfuelstoragesystem;securewithrecommendedbrackets,isolators,reinforce-

ments,andfasteners;inspectfuelstoragesystem. 3. Install/inspectregulatorassembly(ies)andcoolantlinesasrequired. 4. Install/inspectunderhoodfueldeliverysystemcomponents. 5. Installandconnect/inspectsystemwiring. 6. Install/inspectelectricalandelectroniccomponents. 7. Install/inspectinstrumentpanelcomponents. 8. Install/inspectfuellines,clamps,filters,andfittings.


f1 tASk liSt (continuEd)

9. Install/inspectvalves,pressurereliefdevices,ventingsystems,linesandfittings;securewithrecommendedfasteners.

10. Install/inspectfuelfillreceptacle(s)andcheckvalve(s).11. Install/inspectrequiredlabels.12. Completesystemdocumentationasrequired.

C. Leak Testing and Repairs (6 questions) 1. Checkforlowandhigh-pressurenaturalgasleaks;repairasneeded. 2. Pressurizecylinderswithnaturalgas. 3. Checkforcoolantleaks;repairasneeded. 4. Checkventingsystemintegrityasrequired.

D. Emissions, Performance Verification and Adjustments (11 questions) 1. Checkbaseignitiontiming;adjustwhereapplicable. 2. Checkregulator(s)pressure(s);adjustwhereapplicable. 3. Checkmixturesettings;adjustwhereapplicable 4. VerifyPowerTrainControlModule(s)(PCM)Calibration. 5. Checkoperationofelectroniccomponents. 6. Checkoperationoffuelgauge;makerepairsasrequired. 7. Performemissiontests;makerepairsanddocumentwhereapplicable. 8. Roadtestvehicleforacceptabledriveability;checkstarting/restartingabilities. 9. Checkmanualandautomaticfuelchangeoveroperation(bi-fuelvehicles).10. Checkfuelsystemforabnormalnoises.11. Verifygaseousfuelmanagementoperation.

E. System Diagnosis Maintenance and Repair (16 questions)Note:Thefollowingtasksapplytobothbi-fuelanddedicatedCNGvehicles. 1. Interpretandverifyoperationalcomplaint;determineneededrepair. 2. Visuallyinspectgaseousfuelsystemcomponents;determineneededrepairs. 3. RetrieveandinterpretDiagnosticTroubleCodes(DTC)throughtheuseof

recommendedPCbasedsoftware,DMM,and/orscantool. 4. Diagnosedriveabilityandemissionsproblemsrelatedtotheignitionsystem;

determineneededrepairs. 5. Diagnosedriveabilityandemissionsproblemsrelatedtofuelandairinduction

systems,andexhaustsystems;determineneededrepairs. 6. Diagnosedriveabilityandemissionsproblemsrelatedtoelectronicenginecontrols;

determineneededrepairs. 7. Checkvacuum/electrical/electroniccomponentoperation;repairorreplaceasneeded. 8. Checkgaseousfueldeliverysystempressures,componentoperation;repairorreplace

asneeded. 9. Removeand/orreplacefuellines,manualandelectricalvalves,fittings,andpressure

reliefdevices.10. De-fuelCNGsystem.11. Checkforsignsoffuelcontamination;inspect,replaceand/orservicefuelsystem

filtersasrequired.


F. General Cylinder Safety and Maintenance (9 questions) 1. Visuallyinspectfuelstoragecylinder(s),shieldsandmounting. 2. Removeandreplacecylinders;de-fuelaccordingtorecommendedprocedures;re-

placeshields,brackets,andhardwareasrequired. 3. Handleandstorecylindersinaccordancewithrecommendedprocedures. 4. Interpretcylinderlabelinformation;determinenecessaryaction. 5. Inspectpressurereliefdevices(PRD)andrelatedhardware;determinenecessary

action. 6. Inspectconditionandoperationofcylinders/tankvalves;determinenecessary

action. 7. Decommissioncylindersaccordingtorecommendedprocedures.

f1 tASk liSt (continuEd)


SAmplE QuEStionS comprESSEd nAturAl gAS vEHiclE (tESt f1)

QuEStionS:

1. Withabi-fuelvehiclerunningonCNG,thetechnicianshouldsetbaseignitiontimingat:

*(A)OEMspecifications. (C)4Oretarded. (B)2Oretarded. (D)10Oadvanced.

2. Whichoftheseshouldbeusedtocheckthefuellineconnectionsafter acompressednaturalgasconversion?

(A)Nitrogen *(C)Non-ammoniasoap (B)Propane (D)Carbondioxide

3. TechnicianAsaysthataCNGrefuelingreceptaclemustbelocatedinthe enginecompartment. TechnicianBsaysthattherefuelingreceptaclemusthaveadifferent connectionforeachpressure-basesystem. Whoisright?

(A)TechnicianA (C)BothAandB *(B)TechnicianB (D)NeitherAnorB


4. Avehiclewiththevalveshownaboveisinforaroutinecoalescentfilterchange TechnicianAsaysthatthevalveshouldbeclosedtostopfuelflowtotheengine. TechnicianBsaysthatthevalveshouldbeclosedtostopfuelflowfromthetank. Whoisright?

(A)TechnicianA (C)BothAandB *(B)TechnicianB (D)NeitherAnorB Questions 5 is not like the ones above. EachhasthewordEXCEPT.Foreachofthesequestions,lookforthechoice

thatcouldNOTcausethedescribedsituation.Readtheentirequestioncare-fullybeforechoosingyouranswer.

5. AdedicatedCNGvehiclehasanostartcondition.AllofthesecouldbethecauseEXCEPT:

(A)noignitionsource. *(B) recurvedtiming. (C) nofuelpressure. (D) lowbatteryvoltage.

f1 SAmplE QuEStionS (continuEd)


tESt SpEcificAtionS And tASk liStExHAuSt SyStEmS (tESt x1)

Content Questions Percentage Area in Test of Test A. Exhaust System Inspection and Repair 11 28% 1. Inspection (6) 2. Repair (5) B. Emissions Systems Diagnosis 8 20% C. Exhaust System Fabrication 6 15% 1. Pipe Bending (3) 2. Welding and Cutting (3) D. Exhaust System Installation 8 20% E. Exhaust System Repair Regulations 7 18%

Total 40 100%

A. Exhaust System Inspection and Repair (11 questions)

1. Inspection (6 questions) 1. Inspectallexhaustsystemcomponentsfornoises,rattles,missingparts,configura-

tion,androutingbyvisual,audible,andthumptesting;determineneededrepair. 2. Inspectexhaustsystemforleaks,restrictions,andoverheatingbyvisual,audible,

backpressure,vacuum,andtemperaturetesting;determineneededrepair. 3. Inspectexhaustsubsystems[airinjectionreactor(AIR),exhaustgasrecirculation

(EGR),oxygensensor(s)(O2S/HO2S),heatriser/earlyfuelevaporation(EFE), turbochargers]andmountinghardware;determineneededrepair.

4. Visuallyinspectexhaustsystemforevidenceoftampering(missing/modified and/orimproperlyinstalledcomponents);determineneededrepair.

5. Inspectexhaustsystemelectricalcomponents;determineneededrepair. 6. Inspectengine/transmissionmountconditionandalignment;determineneededrepair.

2. Repair (5 questions) 1. Repairorreplacefailedordamagedmufflers,pipes,andrelatedcomponents. 2. Repairorreplacedamagedcatalyticconverters. 3. Repairorreplaceexhaustmanifolds. 4. Repairorreplaceexhaustsystemmountinghardwareandrelatedinstallation

components. 5. Repairorreplaceexhaustsubsystems[airinjectionreactor(AIR),exhaustgasrecir-

culation(EGR),oxygensensor(O2S/HO2S),heatriser/earlyfuelevaporation(EFE),turbochargers]andmountinghardware.


x1 tASk liSt (continuEd)

B. Emissions Systems Diagnosis (8 questions) 1. Identifyfailedcatalyticconverter(s);determinecauseoffailure;determineneeded

repair. 2. Identifyfailedairinjectionreactor(AIR)system;determinerootcauseoffailure;

determineneededrepair. 3. Identifyfailedexhaustgasrecirculation(EGR)system;determinerootcauseof

failure;determineneededrepair. 4. Identifyfailedearlyfuelevaporation(EFE)system[heatriser];determinerootcause

offailure;determineneededrepair. 5. Identifyfailedoxygensensor(s)(O2S/HO2S)component(s)andcircuitry;determine

causeoffailure;determineneededrepair. 6. Inspectemissionsystemsforevidenceoftampering(missing/modifiedand/or

improperlyinstalledcomponents);determineneededrepair.

C. Exhaust System Fabrication (6 questions)

1. Pipe Bending (3 questions) 1. Determinebendingmethod(programcard,pattern/copy,orcustom). 2. Determinecenterofbends,rotationofpipe,depthofbends,andpipediameter(s);

performbendingoperation. 3. Performend-formingandhardwareinstallationoperations. 4. Determinethecauseofpipematerialfailuresthatoccurduringbendingoperations.

2. Welding and Cutting (3 questions) 1. Selectappropriateweldingmethod(gasorMIG);performweldingoperation;

verifyintegrityofweld. 2. Setupandadjustweldingequipmenttorepairapplication;observeapplicable

personnel,vehicle,andequipmentsafetyprocedures. 3. Selectappropriatecuttingmethod(gasormechanical);performcuttingoperation. 4. Setupandadjustcuttingequipmenttorepairapplication;observeapplicable

personnel,vehicle,andequipmentsafetyprocedures.

D. Exhaust System Installation (8 questions) 1. Identifyexhaustsystemconfigurationandoptionsaccordingtomanufacturer’s

specifications(routing,single/dual,etc). 2. Selectcomponentsaccordingtoacceptedstandardsregardingmaterial,type,design,

andsize. 3. Installappropriateexhaustsystemcomponents(mufflers,resonators,catalytic

converters,pipes,andmanifolds). 4. Installappropriateexhaustsystemhardware(clamps,hangers,gaskets,flanges,

fasteners,andheatshields). 5. Inspectsystemforproperexhaustcomponentclearanceandrouting. 6. Inspectsystemforproperexhaustcomponent-to-componentconnectionsealing. 7. Installexhaustsubsystemcomponents[airinjectionreactor(AIR),exhaustgas

recirculation(EGR)valve,oxygensensor(s)(O2S/HO2S),earlyfuelevaporation(EFE)system(heatriser)].


x1 tASk liSt (continuEd)

E. Exhaust System Repair Regulations (7 questions)Note: FederalEPAlawestablishesminimumcompliancerequirementsforemission

systemsrepair.Statesandlocalmunicipalitiesmayinstituterequirementsthat exceedtheFederalEPArequirements.KnowledgeoftheFederalEPArequirements willbeaddressedinthefollowingtasks.

1. Complywithwarrantyanddiagnosticrequirementsregardingpermissiblecatalyticconverterinstallations.

2. Complywithrequirementsregardingprohibitedcatalyticconverterinstallations. 3. Complywithrequirementsregardingrecordkeeping. 4. Complywithrequirementsregardingcatalyticconverterreplacement,location,

andtype. 5. Complywithrequirementsregardingreplacementofairinjectionreactor(AIR),

exhaustgasrecirculations(EGR),oxygensensor(O2S/HO2S),heatriser [earlyfuelevaporation(EFE)],andturbochargersystems.

6. Complywithrequirementsregardingexhaustsystemconfiguration.


SAmplE QuEStionS ExHAuSt SyStEmS (tESt x1)

QuEStionS:

1. Whichofthesewillmostlikelycauseanexhaustmanifoldgaskettofail? (A)AbadAIRpump (C)Aninoperativeconverter *(B)Arestrictedexhaustsystem (D)AbadEGRvalve 2. Whichoftheserepairsshouldbemadeonavehiclewithacrackedconverter

flange? *(A)Repairorreplacetheflange (B)Replacetheconverter (C)Replacetheleadpipe (D)Sealandclamptheconnection 3. Avisualinspectionofavehicle’scatalyticconverterrevealsthatthesubstrate

(brick)hasmelted. TechnicianAsaysthatabadoxygensensor(O2S)couldbethecause. TechnicianBsaysthatamisfiringsparkplugcouldbethecause. Whoisright?

(A)Aonly *(C)BothAandB (B)Bonly (D)NeitherAnorB 4. Tofita21/4”(57mm)diameterpipetofitoveranother21/4”(57mm)diam-

eterpipe,atechnicianshouldexpandthepipeto: (A)23/8”(60mm)OD. (B)21/8”(54mm)OD. (C)21/2”(64mm)ID. *(D)21/4”(57mm)ID. 5. Whenperforminga“converter-back”exhaustsysteminstallation,atechnician

should: (A)replaceallhangers. *(B)checkforproperclearances. (C)weldeachconnection. (D)testforproperbackpressure.


x1 SAmplE QuEStionS (continuEd)

6. TechnicianAsaysthatabrokentransmissionmountcouldcausetheexhaustsystemtobecomemisaligned. TechnicianBsaysthatabrokenenginemountcouldcausetheexhaustsystemtobecomemisaligned. Whoisright?


7. Whichoftheseisanillegalproceduretoperformonacatalyticconverterequippedvehicle?

*(A)Installatestpipeinplaceoftheconverter (B)Installamufflerbeforetheconverter (C)Installaconverterbolteddirectlytotheexhaustmanifold (D)Installathree-wayconverterinplaceofatwo-wayconverter

8. Theflexpipe,locatedbetweentheexhaustmanifoldandthecatalytic converter,isbroken.Aflexpipeshouldbeusedasareplacementbecauseit:

(A)strengthenstheexhaustsystems. (B)quietstheexhaustsystem. (C)helpstoheattheconverter. *(D)allowsforenginemovement.


tESt prEp & trAining

TakinganASEcertificationtestdoesn’thavetobeahigh-stresschallenge. TheASEwebsitecontainstestpreparationandtraininginformationtailoredtoyourspecificneeds.Visitwww.ase.comandusethe“TestPrep&Training” pull-downonourhomepage.We’veloadedthissectionofourwebsitewithplentyofhelpfulinformationtohelpboostbothyourknowledgeandyourconfidence—twoofyourmostimportanttoolsasatest-taker.

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Test Taking TipsAneasy,self-guidedintroductiontotakingyourASEcertificationtest,includingexamplesofthetypesofquestionsyou’llsee—andproventipsforsuccess.

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In-service Training ProvidersYoucanchoosefromavarietyoftrainingprograms,bothinstructor-ledandself-directed,thathavebeenevaluatedthroughaquality-assuranceprocesscalledCASE(ContinuingAutomotiveServiceEducation)andcertifiedbyASE.

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Other test prep and training programsManytest-takershaveusedaftermar-kettestprepandtrainingprogramsandfoundthemhelpful.PleasenotethatASEhasneitherreviewednorap-provedthecontentoftheseprogramsandproviders.

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