Electrico 950G 1

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INTERACTIVE SCHEMATIC

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Cover Page

Information

Schematic

Machine Views

Component Table

Tap Table

Fluid Power Symbols

Electrical Symbols

Front Frame

Rear Frame

Tap Views

Features

Options

Bookmarks X

EC-C3

EC-C2 E-C60

EC-C1

E-C61

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Electrical SystemWheel Loader950G Series II and 962G Series II

RENR4362-03J anuary 2012

950G:

AYB1-UP

962G:

AYD1 UP

BAA1-UP

BAD1 UP

BAB1-UPBAC1-UP

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Volume 1 of 2 - CHASSIS WIRING

COMPONENT LOCATION

Component

Schematic

Location

Machine

Location Component

Schematic

Location

Machine

Location

Alarm - Backup G-18, K-18 2 Sensor - Oil Pressure A-17 8

Alternator H-15 3 Sensor - Output Speed ( Leading) G-10 18

Arc Suppressor E-17 4 Sensor - Output Speed (Trailing) G-10 18

Batteries L-18 5 Sensor - Transmission Lube Oil Temperature E-10 7

Breaker - ADEM III Control B-11 4 Sensor - Transmission Oil Temperature H-10 18

Breaker - Alternator B-11 4 Sensor - Turbo Inlet Pressure E-11 14

Breaker - Hood Actuator C-11 4 Sensor - Turbo Outlet Pressure E-17 14

Breaker - Main B-10 4 Solenoid - A/C Clutch E-17 3Breaker - Running Lamp C-11 4 Solenoid - Aux. Lift Prop J-1 19

Breaker - Unswitched Bus B-11 4 Solenoid - Aux. Lower Prop K-1 19

Contol - Product Link A-7 7 Solenoid - Axle Oil Cooler Clutch I-14 16

Control - ADEM III A-14 6 Solenoid - Dump Prop K-1 19

Control - Hood Raise/Lower B-9 4 Solenoid - Grapple K-2 20

Heater - Air Inlet E-17 23 Solenoid - Injection Actuation Pressure D-17 23

Motor - Front Washer A-5 11 Solenoid - Lift Prop J-1 19

Motor - Fuel Priming Pump D-14 8 Solenoid - Lower Prop J-1 19

Motor - Hood Actuator A-17 2 Solenoid - On/Off Pilot J-1 19

Motor - Rear Washer A-5 11 Solenoid - Rackback Prop K-2 19

Motor - Secondary Steering K-11 9 Solenoid - Ride Control On J-1, J-3 19

Motor - Starter G-14 10 Solenoid - Variable Speed Fan A-17 15

Relay - Air Inlet Heater E-16 22 Solenoids - Cylinder Head C-18 22

Relay - Backup Alarm K-18 12 Solenoids - Quick Coupler I-3 19

Relay - Main A-11 4 Solenoids - Transmission Clutch G-11 18

Relay - Secondary Steering L-11 4 Switch - A/C Pressure F-18 3

Relay - Secondary Steering Intermediate L-11 9 Switch - Axle Oil Cooler Temperature I-14 29

Relay - Start A-11 4 Switch - Bucket Tilt Position L-3 30

Sender - Coolant Temperature B-16 8 Switch - Disconnect B-18 25

Sender - Engine Oil Temperature D-17 23 Switch - Fork Position D-1 30

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Volume 2 of 2 - CAB WIRING

COMPONENT LOCATION

Component

Schematic

Location

Machine

Location Component

Schematic

Location

Machine

Location

Alarm - Action E-15 C

Sensor - Throttle Position G-1 44

Alarm - Implement Audible Alert D-16 C

Sensor - Tilt Lever Position F-7 D

Breaker - HVAC Blower Motor A-15 C

Solenoid - Lift Lever Lift Detent H-8 D

Breaker - Seat A-15 C

Solenoid - Lift Lever Lower Detent H-8 D

Compressor - Seat F-10 37

Solenoid - Rackback Detent H-8 DControl - Dimmer C-16 C

Control - Caterpillar Monitoring System C-9 A

Switch - A/C Selector D-8 AControl - Implement Control System A-12 38

Switch - Auto/Manual Gear Select D-6 AControl - Machine Security System E-16 C

Switch - Autodig Kickout Set D-4 BControl - Payload Control System B-10 39

Switch - Autodig Mode Select D-5 BControl - Transmission Control System J -18 40

Switch - Autodig Operation Mode Select D-4 BConverter - Voltage (10A) E-15 C

Switch - Autodig Trigger G-7 DConverter - Voltage (20A) F-16 C

Switch - Beacon J -3 AFilter - Machine Security System Antenna E-16 C

Switch - Blower Fan Speed D-8 BFlasher - 24V D-16 C

Switch - Dimmer H-1 A

Fuses A-16 C Switch - Cat Mon Sys Mode Select C-8 B

Fuse - Thermal Cut Out K-16 41

Switch - Fine Modulation F-9 DGround - Dash K-5 A

Switch - Forward Horn H-3 AGround - Cab 1 C-12 C

Switch - Forward Horn 2 G-7 DGround - Cab 2 C-12 C

Switch - Front Intermittent Wiper/Washer D-7 BGround - Upper Cab A-2 42

Switch - Hazard Lamp J -3 AGround - Cab 4 L-18 43

Switch - HVAC Temperature Select D-7 BGround - Engine End Frame L-18 43

Switch - Implement Function Select F-8 DGuage - Quad I-1 A

S itch ImplementLockout F 9 DI di t C t D h K 1 A

Sensor - Left Hand Brake Pedal H-1 44

Sensor - Lift Lever Position F-7 D

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CONNECTOR LOCATION

Connector Number

Schematic

Location

Machine

Location

CONN 1 Aux. Start Receptacle B-18 1

CONN 2 H-17 12

CONN 3 F-16 3

CONN 4 C-16 22

CONN 5 Timing / Calibration Probe B-16 8

CONN 6 I-13 6

CONN 7 I-13 6CONN 8 I-13 3

CONN 9 D-14 8

CONN 10 I-11 6

CONN 11 L-10 9

CONN 12 F-3, I-4, B-2 35

CONN 13 A-8 32

CONN 14 A-9 4

CONN 15 A-6 31

CONN 16 D-6 32

CONN 17 E-6 32

CONN 18 F-6 32

CONN 19 G-6 32

CONN 20 G-6 32

CONN 21D-4, E-4,G-5,

K-533

CONN 22 H-3, L-4 34CONN 23 D-3, H-3, L-4 34

CONN 24 C-2, F-3, J -4 19

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CONNECTOR LOCATION

Connector Number SchematicLocation

MachineLocation

CONN 20 G-18 32

CONN 19 F-18 32CONN 18 F-18 32CONN 17 E-18 32CONN 16 C-18 32

CONN 39 F-15 C

CONN 40 F-15 C

CONN 41 Service Mode Plug E-15 C

CONN 42 L-14 41

CONN 43 G-10 DCONN 44 G-10 D

CONN 45 Customer Data Connection B-9 B

CONN 46 B-8 B

CONN 47 H-3 A

CONN 48 H-3 A

CONN 49 F-3 ACONN 50 Service Tool Connector F-3 A

CONN 51 H-1 A

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CID / MID / FMI

( )

( )

Component Identifiers (CID)

Module Identif ier MID

ADEM III ECM

MID No. 036CID Component

0001 Fuel Injector Solenoid #1






0041 ECM 8V DC Supply

0091 Throttle Sensor

0094 Fuel P ressure Sensor

0100 Oil Pressure Sensor

0110 Engine Coolant Temperature Sensor

0164 Injector Actuation Pressure Sensor

0168 Electrical Power Supply

0172 Inlet Air Temperature Sensor

0175 Engine Oil Temperature Sender

0190 Engine Speed Sensor

0248 Cat Data Link

0253 Personality Module mismatch

0261 Engine Speed Sensor

0262 5 Volt Sensor Supply

0267 Engine Shutdown Switch

0268 Check Programmable Parameters

Event Code Condition

E015 High Engine Coolant Temperature Derate

E017 High Engine Coolant Temperature Warning

E025 High Inlet Air Temperature Derate

E027 High Inlet Air Temperature Warning

E039 Low Engine Oil Pressure Derate

E053 Low Fuel Pressure Warning

E096 High Fuel Pressure

E100 Low Engine Oil Pressure Warning

E190 Engine Overspeed Warning

E272 Inlet Air Restriction Warning

Event Codes For ADEM III ECM

0042 Injector Actuation Control Valve

0254 Electronic Control Module

Failure Mode Identifiers (FMI)FMI No. Failure Description

0 Data valid but above normal operational range.

1 Data valid but below normal operational range.

2 Data erratic, intermittent, or incorrect.

3 Voltage above normal or shorted high.

4 Voltage below normal or shorted low.

5 Current below normal or open circuit.

6 Current above normal or grounded circuit.

7 Mechanical system not responding properly.

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Page 1 of 2

CID / MID / FMI

CID Component

0096 Fuel Level Sender

0100 Engine Oil Pressure Sensor

0110 Engine Coolant Temperature Sensor

0177 Torque Converter Oil Temperature Sensor

0248 Data Link

0263 Sensor Power Supply

0271 Action Alarm

0324 Action Lamp

0427 Temp Sensor (Front Axle Oil)

0428 Temp Sensor (Rear Axle Oil)

0600 Hydraulic Oil Temperature Sensor

0819 Display Data Link

0821 Display Power Supply

0826 Temp Sensor (Torque Converter Oil)

0830 Brake Oil Temperature Sensor

CID Component

0168 Electrical System Voltage

0254 Payload Electronic Control Module

0350 Lift Linkage Position Sensor

0364 Head End Lift Cylinder Pressure Sensor

0769 Rod End Lift Cylinder Pressure Sensor

0817 Internal Backup Battery

0820 Keypad Data Link

CID Component

0041 +8 Volts Sensor Supply

0070 Parking Brake Switch

0149 Ride Control Solenoid 2

Component Identifiers (CID)

Module Identifier (MID)Caterpillar Monitor ing System

(MID No. 030)

Payload Contro l System

(MID No. 074)

Transmission Control

(MID No. 081)

CID Component

0168 Electrical System Voltage

0248 CAT Data Link

0270 Harness Code

0296 Power Train ECM

0350 Lift Linkage Position Sensor

0352 Lift Lever Position Sensor0353 Tilt Lever Position Sensor

0354 Raise Solenoid

0355 Lower Solenoid

0356 Dump Solenoid

0357 Rackback Solenoid

0358 Pilot Pressure Solenoid

0359 Raise Detent Electromagnet

0360 Lower Detent Electromagnet

0361 Rackback Detent Electromagnet

0365 Kickout Set Switch

0487 3rd Lever Position Sensor0489 Implement Function Select Switch

0490 Implement Lockout Switch

0491 3rd Function Forward Solenoid

0492 3rd Function Rearward Solenoid

Electronic Implement Control

(MID No. 082)

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Page 2 of 2

CID / MID / FMI

Failure Mode Identifiers (FMI)FMI No. Failure Description

0 Data valid but above normal operational range.

1 Data valid but below normal operational range.

2 Data erratic, intermittent, or incorrect.

3 Voltage above normal or shorted high.4 Voltage below normal or shorted low.

5 Current below normal or open circuit.

Related Electrical Service Manuals

Title Form Number

Caterpillar Monitoring System SENR1394

Electronic Implement Control System RENR2148Machine Security System RENR2462

Payload Control System SENR6614

Transmission Control System RENR2105

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SPECIFICATIONS AND RELATED MANUALS

Part No. Function Actuate Deactuate Contact Position

114-5333 A/C (High / Low) Pressure275 to 1750 kPa

(39.9 to 253.8 psi)

-

-Normally Open

117-7773 Transmission Filter Bypass Pressure 138 28kPa(20 4 psi)

89 20kPa(12.9 2.9 psi)

Normally Closed

155-8998 Axle Oil Cooler Temperature65 3.0C

(149 37.4F)

58C Min

(136.4F Min)Normally Open

155-8999Front Axle Oil Temperature

Rear Axle Oil Temperature

125 3.0C

(257 37.4F)

117C MIN

(242.6F MIN)Normally Closed

174-4312 Park Brake Pressure8270 kPa MAX

(1200 psi MAX)

6890 345 kPa

(1000 50 psi)

A-B, Normally Open

A-C, Normally Closed

3E-6450Primary Steering Pressure

Secondary Steering Pressure

1200 kPa MAX

(174.0 psi MAX)

700 100 kPa

(102 14.5 psi)

A-B Normally Open

A-C Normally Closed

7X-8549 Hydraulic Filter Bypass Pressure110.3 - 137.9 kPa

(16 - 20 psi)

86.2 - 103.4 kPa

(12.5 - 15)Normally Open

Contact position at the contacts of the harness connector.

Off Machine Switch Specification

A hysteresis band exists: with increasing pressure the closed condition can be maintained up to 2800 kpa (405 psi), with

decreasing pressure the closed condition can be maintained down to 170 kpa (25psi).

Related Electrical Service Manuals

Form Number

185-5294

177-9953

Electric Starting Motor: 207-1556

Consist: Delco 50MT SENR3581

Consist: Nippondenso R7.5 SENR4975

ADEM III Control: SENR9617

Product Link Control: SEBU7351

Title

Alternator: SENR4130

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SPECIFICATIONS AND RELATED MANUALS

Service Mode Number

Operator Mode Sequence 0

Harness Code 1

Numeric Readout 2

Service 3

Digital Tattletale 4

Units 5

Charging System Display 6

Monitor ing System Service Modes

Operator Mode Number

Service Meter 1

Tachometer 2

Engine Oil Pressure 3

Odometer - Machine Travel Distance 4

Scrolling (Diagnostic) 5

Monitoring System Operator Modes

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HARNESS and WIREElectrical Schematic Symbols

PressureSymbol

T

TemperatureSymbol

LevelSymbol

FlowSymbol

Circuit BreakerSymbol

Symbols

Symbols and Definitions

T

Fuse: A component in an electrical circuit that will open the circuit if too much current flows through it.

Switch (Normally Open): A switch that will close at a specified point (temp, press, etc.). The circle indicates that the component hasscrew terminals and a wire can be disconnected from it.

Switch (Normally Closed): A switch that will open at a specified point (temp, press, etc.). No circle indicates that the wire cannot bedisconnected from the component.

Ground (Wired): This indicates that the component is connected to a grounded wire. The grounded wire is fastened to the machine.

Ground (Case): This indicates that the component does not have a wire connected to ground. It is grounded by being fastened to the

machine.

Reed Switch : A switch whose contacts are controlled by a magnet. A magnet closes the contacts of a normally open reed switch; itopens the contacts of a normally closed reed switch.

Sender: A component that is used with a temperature or pressure gauge. The sender measures the temperature or pressure. Itsresistance changes to give an indication to the gauge of the temperature or pressure.

Relay (Magnetic Switch): A relay is an electrical component that is activated by electricity. It has a coil that makes an electromagnet

when current flows through it. The electromagnet can open or close the switch part of the relay.

Solenoid: A solenoid is an electrical component that is activated by electricity. It has a coil that makes an electromagnet when currentflows through it The electromagnet can open or close a valve or move a piece of metal thatcan do work

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MACHINE HARNESS CONNECTOR AND COMPONENT LOCATIONS

(CAB WIRING)

D

D

C

C

B

B

A

A

44

44

43

43

42

42

41

41

40

40 39

39

38

38

37

37

32

32

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Electrico 950G 1