BATTERY DRAW TESTBATTERY DRAW TEST

SC10SC10

By By Vance BloomVance Bloom

ObjectiveObjective

Student will determine if an abnormal “Key OFF Battery Drain” is present.

MATERIALS REQUIREDMATERIALS REQUIRED

1. EYE PROTECTION1. EYE PROTECTION2. HAND TOOLS2. HAND TOOLS3. VOLT-OHM-METER3. VOLT-OHM-METER3. TEST LAMP3. TEST LAMP4. VEHICLE WITH GOOD BATTERY4. VEHICLE WITH GOOD BATTERY

ProcedureProcedure

Turn ignition key OFF and remove keys from ignition. Turn ignition key OFF and remove keys from ignition. Make sure all electrical devices and lights are OFF. Make sure all electrical devices and lights are OFF.

Make sure all doors are closed and hood light Make sure all doors are closed and hood light is disconnected. (where applicable) is disconnected. (where applicable)

Before Starting Before Starting

STEP 1STEP 1WEAR EYE PROTECTION!WEAR EYE PROTECTION!

STEP 2STEP 2Determine battery voltageDetermine battery voltage

If Above 12.4 Volts, Then ProceedIf Above 12.4 Volts, Then ProceedIf Below 12.4 Volts, If Below 12.4 Volts,

Then Charge Battery.Then Charge Battery.Recheck Battery Voltage.Recheck Battery Voltage.If Still Below 12.4 Volts,If Still Below 12.4 Volts,

Replace Battery, Then ProceedReplace Battery, Then Proceed

STEP 3STEP 3Check Test Lamp OperationCheck Test Lamp Operation

Be Sure It Lights Up! Be Sure It Lights Up!

STEP 4STEP 4Disconnect Battery Disconnect Battery

Negative Ground CableNegative Ground Cable

Never Disconnect Positive First! Never Disconnect Positive First!

It Could Cause The Airbag To Deploy! It Could Cause The Airbag To Deploy!

STEP 5STEP 5CONNECT TESTERCONNECT TESTER

Hook Up Test Lamp Hook Up Test Lamp Between Battery Negative Between Battery Negative

Post & Cable EndPost & Cable End

STEP 6STEP 6RESULTSRESULTS

Test light does not lightTest light does not light

PASSPASS NO BATTERY DRAIN PRESENTNO BATTERY DRAIN PRESENT

Test light lights brightlyTest light lights brightly

FAILFAIL ABNORMAL DRAIN PRESENTABNORMAL DRAIN PRESENT

Test light lights dimlyTest light lights dimly

PASSPASS NORMAL MEMORY DRAINNORMAL MEMORY DRAIN ((From Clock or Radio MemoryFrom Clock or Radio Memory))

STEP 7STEP 7Record Your DataRecord Your Data

Is there an abnormal Is there an abnormal Draw Present?Draw Present?

(Test Lamp Lights Brightly)(Test Lamp Lights Brightly)

Does the Battery Draw TestDoes the Battery Draw TestPASSPASS or or FAILFAIL??

Record Your Results ! Record Your Results !

STEP 8STEP 8Recommendations?Recommendations?

Does a Draw need to be repaired?Does a Draw need to be repaired?

Does anything need to be done?Does anything need to be done?

Record Your RecommendationRecord Your RecommendationOn Your Skill Sheet!On Your Skill Sheet!

NOW,NOW,CLEAN UP YOUR MESS! CLEAN UP YOUR MESS!

CLEAN & PUT AWAY CLEAN & PUT AWAY ALL TOOLS & EQUIPMENTALL TOOLS & EQUIPMENT

FILL OUT YOUR FILL OUT YOUR SKILL SHEET COMPLETELYSKILL SHEET COMPLETELY

& GET IT SIGNED!& GET IT SIGNED!

QUESTIONS? QUESTIONS?

CONTACT CONTACT VANCE BLOOM VANCE BLOOM

@@1-909-696-10811-909-696-1081

vbloom@murrieta.k12.ca.us vbloom@murrieta.k12.ca.us

THE END THE END