speed JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual

8W-31 TRANSMISSION CONTROL SYSTEM
Component Page
Auto Shut Down Relay................ 8W-31-4
Back-Up Lamp Relay................ 8W-31-15
Body Control Module................ 8W-31-14
Brake Lamp Switch............... 8W-31-14, 15
Controller Antilock Brake............. 8W-31-17
Crankshaft Position Sensor.......... 8W-31-9, 10
Data Link Connector............ 8W-31-9, 10, 16
Diagnostic Junction Port............ 8W-31-4, 15
Engine Control Module............ 8W-31-16, 17
Engine Starter Motor Relay..... 8W-31-4, 5, 6, 12
Fuel Pump Relay.................... 8W-31-4
Fuse 5........................... 8W-31-2, 3
Fuse 12......................... 8W-31-4, 15
Fuse 20.......................... 8W-31-5, 6
Fuse 21........................ 8W-31-14, 15
Fuse 28.......................... 8W-31-2, 8
Fuse 31............................ 8W-31-4
G102.......................... 8W-31-11, 13
G108.............................. 8W-31-3
G200.......................... 8W-31-14, 15
G300............................. 8W-31-15
G301............................. 8W-31-15Component Page
Generator.......................... 8W-31-2
Input Speed Sensor.................. 8W-31-13
Junction Block............. 8W-31-4, 5, 6, 14, 15
Left Rear Lamp Assembly............ 8W-31-5, 6
Line Pressure Sensor................ 8W-31-13
Output Speed Sensor.............. 8W-31-8, 13
Park/Neutral Position Switch........... 8W-31-6
Power Distribution Center......... 8W-31-2, 3, 8
Powertrain Control
Module......... 8W-31-2, 4, 5, 6, 7, 8, 9, 10, 14
Right Rear Lamp Assembly........... 8W-31-5, 6
Shifter Assembly.............. 8W-31-14, 15, 16
Throttle Position Sensor............... 8W-31-7
Transfer Case Position Sensor........ 8W-31-6, 16
Transmission Control
Module........... 8W-31-3, 4, 7, 9, 10, 11, 12,
13, 14, 16, 17, 18
Transmission Control Relay . . . 8W-31-2, 3, 8, 11, 12
Transmission Solenoid.............. 8W-31-2, 8
Transmission Solenoid Assembly........ 8W-31-18
Transmission Solenoid/TRS
Assembly.............. 8W-31-3, 5, 11, 12, 13
WJ8W-31 TRANSMISSION CONTROL SYSTEM 8W - 31 - 1

8W-33 VEHICLE SPEED CONTROL
Component Page
Brake Lamp Switch.................. 8W-33-2
Clockspring..................... 8W-33-3, 4, 5
Electronic Speed Control Servo.......... 8W-33-2
Engine Control Module.............. 8W-33-2, 4
Fuse 23............................ 8W-33-2
G108.............................. 8W-33-2
G300.............................. 8W-33-2Component Page
G301.............................. 8W-33-2
Junction Block...................... 8W-33-2
Powertrain Control Module........... 8W-33-2, 3
Shifter Assembly..................... 8W-33-3
Speed Control Switch No. 1............ 8W-33-5
Speed Control Switch No. 2............ 8W-33-5
WJ8W-33 VEHICLE SPEED CONTROL 8W - 33 - 1

8W-35 ANTILOCK BRAKES
Component Page
Brake Lamp Switch.................. 8W-35-5
Controller Antilock Brake...... 8W-35-2, 3, 4, 5, 6
Diagnostic Junction Port............. 8W-35-2, 3
Engine Control Module.............. 8W-35-4, 5
Fuse 4........................... 8W-35-2, 3
Fuse 19.......................... 8W-35-2, 3
Fuse 23............................ 8W-35-5
Fuse 25.......................... 8W-35-2, 3
G107............................ 8W-35-2, 3Component Page
Junction Block.................. 8W-35-2, 3, 5
Left Front Wheel Speed Sensor......... 8W-35-6
Left Rear Wheel Speed Sensor.......... 8W-35-6
Power Distribution Center........... 8W-35-2, 3
Powertrain Control Module............. 8W-35-4
Red Brake Warning Indicator Switch..... 8W-35-5
Right Front Wheel Speed Sensor........ 8W-35-6
Right Rear Wheel Speed Sensor......... 8W-35-6
WJ8W-35 ANTILOCK BRAKES 8W - 35 - 1

Component Page
DRIVER SEAT BELT SWITCH........ 8W-80-74
DRIVER SIDE IMPACT SENSOR...... 8W-80-74
EGR SOLENOID (DIESEL)........... 8W-80-74
ELECTRIC BRAKE
(EXCEPT BUILT-UP-EXPORT)...... 8W-80-74
ELECTRONIC SPEED CONTROL
SERVO ......................... 8W-80-74
ENGINE CONTROL MODULE C1
(DIESEL)....................... 8W-80-75
ENGINE CONTROL MODULE C2
(DIESEL)....................... 8W-80-76
ENGINE COOLANT TEMPERATURE
SENSOR (DIESEL)................ 8W-80-77
ENGINE COOLANT TEMPERATURE
SENSOR (GAS)................... 8W-80-77
ENGINE OIL PRESSURE
SENSOR (DIESEL)................ 8W-80-77
ENGINE OIL PRESSURE
SENSOR (GAS)................... 8W-80-78
EVAP/PURGE SOLENOID (GAS)....... 8W-80-78
FRONT POWER OUTLET............ 8W-80-78
FRONT WASHER PUMP............. 8W-80-78
FRONT WIPER MOTOR............. 8W-80-78
FUEL INJECTOR NO. 1 (DIESEL)..... 8W-80-79
FUEL INJECTOR NO. 1 (GAS)........ 8W-80-79
FUEL INJECTOR NO. 2 (DIESEL)..... 8W-80-79
FUEL INJECTOR NO. 2 (GAS)........ 8W-80-79
FUEL INJECTOR NO. 3 (DIESEL)..... 8W-80-79
FUEL INJECTOR NO. 3 (GAS)........ 8W-80-80
FUEL INJECTOR NO. 4 (DIESEL)..... 8W-80-80
FUEL INJECTOR NO. 4 (GAS)........ 8W-80-80
FUEL INJECTOR NO. 5 (DIESEL)..... 8W-80-80
FUEL INJECTOR NO. 5 (GAS)........ 8W-80-81
FUEL INJECTOR NO. 6 (GAS)........ 8W-80-81
FUEL INJECTOR NO. 7 (4.7L)........ 8W-80-81
FUEL INJECTOR NO. 8 (4.7L)........ 8W-80-81
FUEL PRESSURE SENSOR (DIESEL) . . 8W-80-82
FUEL PRESSURE SOLENOID
(DIESEL)....................... 8W-80-82
FUEL PUMP MODULE (GAS)......... 8W-80-82
FUEL TANK MODULE (DIESEL)...... 8W-80-82
GENERATOR (DIESEL).............. 8W-80-82
GENERATOR (GAS)................. 8W-80-83
GLOVE BOX LAMP................. 8W-80-83
HEADLAMP LEVELING SWITCH
(BUILT-UP-EXPORT).............. 8W-80-83
HOOD AJAR SWITCH
(BUILT-UP-EXPORT).............. 8W-80-83
HORN NO. 1....................... 8W-80-83
HORN NO. 2....................... 8W-80-84
HYDRAULIC COOLING MODULE..... 8W-80-84
IDLE AIR CONTROL MOTOR......... 8W-80-84
IGNITION SWITCH C1.............. 8W-80-84
IGNITION SWITCH C2.............. 8W-80-84
INPUT SPEED SENSOR (4.7L)........ 8W-80-85Component Page
INSTRUMENT CLUSTER............ 8W-80-85
INTAKE AIR TEMPERATURE
SENSOR (DIESEL)................ 8W-80-85
INTAKE AIR TEMPERATURE
SENSOR (GAS)................... 8W-80-85
INTAKE PORT SWIRL ACTUATOR
(DIESEL)....................... 8W-80-86
INTRUSION TRANSCEIVER MODULE
(BUILT-UP-EXPORT).............. 8W-80-86
JUNCTION BLOCK BODY
CONTROL MODULE.............. 8W-80-86
JUNCTION BLOCK C1.............. 8W-80-87
JUNCTION BLOCK C2 (LHD)......... 8W-80-88
JUNCTION BLOCK C2 (RHD)......... 8W-80-89
JUNCTION BLOCK C3.............. 8W-80-90
JUNCTION BLOCK C4.............. 8W-80-91
JUNCTION BLOCK C5.............. 8W-80-91
KNOCK SENSOR................... 8W-80-91
LEAK DETECTION PUMP (EXCEPT
BUILT-UP-EXPORT)............... 8W-80-91
LEFT COURTESY LAMP............. 8W-80-91
LEFT DOOR HANDLE COURTESY
LAMP.......................... 8W-80-92
LEFT FOG LAMP................... 8W-80-92
LEFT FRONT DOOR SPEAKER....... 8W-80-92
LEFT FRONT IMPACT SENSOR....... 8W-80-92
LEFT FRONT PARK LAMP........... 8W-80-92
LEFT FRONT PARK/TURN SIGNAL LAMP
(EXCEPT BUILT-UP-EXPORT)...... 8W-80-93
LEFT FRONT SIDE MARKER LAMP
(EXCEPT BUILT-UP-EXPORT)...... 8W-80-93
LEFT FRONT TURN SIGNAL LAMP
(BUILT-UP-EXPORT).............. 8W-80-93
LEFT FRONT WHEEL SPEED
SENSOR........................ 8W-80-93
LEFT HEADLAMP LEVELING MOTOR
(BUILT-UP-EXPORT).............. 8W-80-94
LEFT HIGH BEAM HEADLAMP....... 8W-80-94
LEFT INSTRUMENT PANEL SPEAKER . 8W-80-94
LEFT LIFTGATE AJAR SWITCH....... 8W-80-94
LEFT LOW BEAM HEADLAMP....... 8W-80-94
LEFT MULTI-FUNCTION SWITCH.... 8W-80-95
LEFT REAR DOOR LOCK
MOTOR/AJAR SWITCH............ 8W-80-95
LEFT REAR DOOR SPEAKER......... 8W-80-95
LEFT REAR LAMP ASSEMBLY........ 8W-80-95
LEFT REAR WHEEL SPEED
SENSOR........................ 8W-80-96
LEFT REMOTE RADIO SWITCH...... 8W-80-96
LEFT SIDE REPEATER LAMP
(BUILT-UP-EXPORT).............. 8W-80-96
LEFT VISOR/VANITY LAMP.......... 8W-80-96
LICENSE LAMP NO. 1.............. 8W-80-96
LICENSE LAMP NO. 2.............. 8W-80-97
LIFTGATE FLIP-UP AJAR SWITCH.... 8W-80-97
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 3

Component Page
LIFTGATE FLIP-UP PUSH
BUTTON SWITCH................ 8W-80-97
LIFTGATE FLIP-UP RELEASE
SOLENOID...................... 8W-80-97
LIFTGATE POWER LOCK MOTOR..... 8W-80-97
LINE PRESSURE SENSOR (4.7L)...... 8W-80-98
MANIFOLD ABSOLUTE PRESSURE
SENSOR (4.0L)................... 8W-80-98
MANIFOLD ABSOLUTE PRESSURE
SENSOR (4.7L)................... 8W-80-98
MANUAL TEMPERATURE
CONTROL C1 (MTC).............. 8W-80-98
MANUAL TEMPERATURE
CONTROL C2 (MTC).............. 8W-80-99
MASS AIR FLOW SENSOR (DIESEL) . . . 8W-80-99
MODE DOOR MOTOR/ACTUATOR
(AZC).......................... 8W-80-99
NEEDLE MOVEMENT SENSOR
(DIESEL)....................... 8W-80-99
OUTPUT SPEED SENSOR (4.0L)...... 8W-80-99
OUTPUT SPEED SENSOR (4.7L)..... 8W-80-100
OVERHEAD MAP/COURTESY LAMP . . 8W-80-100
OXYGEN SENSOR 1/1 UPSTREAM.... 8W-80-100
OXYGEN SENSOR 1/2 DOWNSTREAM . 8W-80-100
OXYGEN SENSOR 2/1 UPSTREAM.... 8W-80-100
OXYGEN SENSOR 2/2
DOWNSTREAM................. 8W-80-101
PARK/NEUTRAL POSITION SWITCH
(4.0L).......................... 8W-80-101
PARK/NEUTRAL POSITION SWITCH
(DIESEL)...................... 8W-80-101
PASSENGER AIRBAG.............. 8W-80-101
PASSENGER BLEND DOOR
MOTOR/ACTUATOR (LHD) (AZC) . . . 8W-80-101
PASSENGER BLEND DOOR
MOTOR/ACTUATOR (RHD) (AZC) . . . 8W-80-102
PASSENGER CURTAIN AIRBAG...... 8W-80-102
PASSENGER DOOR LOCK MOTOR/AJAR
SWITCH....................... 8W-80-102
PASSENGER DOOR MODULE C1..... 8W-80-102
PASSENGER DOOR MODULE C2..... 8W-80-103
PASSENGER FRONT DOOR
COURTESY LAMP............... 8W-80-103
PASSENGER FRONT POWER
WINDOW MOTOR............... 8W-80-103
PASSENGER HEATED SEAT BACK
(PREMIUM I/III)................. 8W-80-103
PASSENGER HEATED SEAT CUSHION
(PREMIUM I/III)................. 8W-80-104
PASSENGER HEATED SEAT SWITCH . 8W-80-104
PASSENGER LUMBAR MOTOR
(MIDLINE/PREMIUM)............ 8W-80-104
PASSENGER LUMBAR SWITCH
(MIDLINE/PREMIUM)............ 8W-80-104
PASSENGER POWER MIRROR....... 8W-80-105Component Page
PASSENGER POWER SEAT FRONT
RISER MOTOR.................. 8W-80-105
PASSENGER POWER SEAT
HORIZONTAL MOTOR........... 8W-80-105
PASSENGER POWER SEAT REAR
RISER MOTOR.................. 8W-80-105
PASSENGER POWER SEAT RECLINER
MOTOR (MIDLINE/PREMIUM)..... 8W-80-106
PASSENGER POWER SEAT SWITCH
(MIDLINE/PREMIUM)............ 8W-80-106
PASSENGER REAR POWER
WINDOW MOTOR............... 8W-80-106
PASSENGER REAR POWER
WINDOW SWITCH............... 8W-80-106
PASSENGER SEAT BELT SWITCH.... 8W-80-106
PASSENGER SIDE IMPACT
SENSOR....................... 8W-80-107
POWER AMPLIFIER C1
(PREMIUM RADIO).............. 8W-80-107
POWER AMPLIFIER C2
(PREMIUM RADIO).............. 8W-80-107
POWER CONNECTOR.............. 8W-80-108
POWERTRAIN CONTROL
MODULE C1 (GAS).............. 8W-80-108
POWERTRAIN CONTROL
MODULE C2 (GAS).............. 8W-80-109
POWERTRAIN CONTROL
MODULE C3 (GAS).............. 8W-80-110
RADIATOR FAN MOTOR............ 8W-80-110
RADIATOR FAN RELAY............. 8W-80-111
RADIO C1........................ 8W-80-111
RADIO C2........................ 8W-80-111
RAIN SENSOR (AUTOWIPE)......... 8W-80-112
REAR POWER OUTLET............. 8W-80-112
REAR WASHER PUMP.............. 8W-80-112
REAR WIPER MOTOR.............. 8W-80-112
RECIRCULATION DOOR
MOTOR/ACTUATOR (AZC)......... 8W-80-112
RED BRAKE WARNING INDICATOR
SWITCH....................... 8W-80-113
REMOTE KEYLESS MODULE
(JAPAN)....................... 8W-80-113
RIGHT COURTESY LAMP........... 8W-80-113
RIGHT DOOR HANDLE
COURTESY LAMP............... 8W-80-113
RIGHT FOG LAMP................. 8W-80-113
RIGHT FRONT DOOR SPEAKER..... 8W-80-114
RIGHT FRONT IMPACT SENSOR..... 8W-80-114
RIGHT FRONT PARK LAMP......... 8W-80-114
RIGHT FRONT PARK/TURN SIGNAL LAMP
(EXCEPT BUILT-UP-EXPORT)...... 8W-80-114
RIGHT FRONT SIDE MARKER LAMP
(EXCEPT BUILT-UP-EXPORT)...... 8W-80-115
RIGHT FRONT TURN SIGNAL LAMP
(BUILT-UP-EXPORT)............. 8W-80-115
8W - 80 - 4 8W-80 CONNECTOR PIN-OUTWJ

Component Page
RIGHT FRONT WHEEL SPEED
SENSOR....................... 8W-80-115
RIGHT HEADLAMP LEVELING MOTOR
(BUILT-UP-EXPORT)............. 8W-80-115
RIGHT HIGH BEAM HEADLAMP..... 8W-80-116
RIGHT INSTRUMENT PANEL
SPEAKER...................... 8W-80-116
RIGHT LIFTGATE AJAR SWITCH..... 8W-80-116
RIGHT LOW BEAM HEADLAMP..... 8W-80-116
RIGHT MULTI-FUNCTION SWITCH . . . 8W-80-116
RIGHT REAR DOOR LOCK
MOTOR/AJAR SWITCH........... 8W-80-117
RIGHT REAR DOOR SPEAKER....... 8W-80-117
RIGHT REAR LAMP ASSEMBLY...... 8W-80-117
RIGHT REAR WHEEL SPEED
SENSOR....................... 8W-80-117
RIGHT REMOTE RADIO SWITCH.... 8W-80-117
RIGHT SIDE REPEATER LAMP
(BUILT-UP-EXPORT)............. 8W-80-118
RIGHT VISOR/VANITY LAMP........ 8W-80-118
SEAT BELT SWITCH............... 8W-80-118
SEAT MODULE C1 (PREMIUM)...... 8W-80-118
SEAT MODULE C2 (PREMIUM)...... 8W-80-119
SENTRY KEY IMMOBILIZER
MODULE...................... 8W-80-119
SHIFTER ASSEMBLY
(C201 DIESEL).................. 8W-80-119
SHIFTER ASSEMBLY (GAS)......... 8W-80-120
SHIFTER ASSEMBLY C1 (DIESEL).... 8W-80-120
SHIFTER ASSEMBLY C2 (DIESEL).... 8W-80-120
SIREN (BUILT-UP-EXPORT)......... 8W-80-120
SPEED CONTROL SWITCH NO. 1.... 8W-80-120
SPEED CONTROL SWITCH NO. 2.... 8W-80-121
SUNROOF CONTROL MODULE...... 8W-80-121
SUNROOF MOTOR C1.............. 8W-80-121
SUNROOF MOTOR C2.............. 8W-80-121
SUNROOF SWITCH................ 8W-80-121Component Page
TEMPERATURE VALVE
ACTUATOR (MTC)............... 8W-80-122
THROTTLE POSITION
SENSOR (4.0L).................. 8W-80-122
THROTTLE POSITION
SENSOR (4.7L).................. 8W-80-122
TRAILER TOW BRAKE
LAMP RELAY................... 8W-80-122
TRAILER TOW CIRCUIT
BREAKER...................... 8W-80-122
TRAILER TOW CONNECTOR........ 8W-80-123
TRAILER TOW LEFT TURN
RELAY........................ 8W-80-123
TRAILER TOW RIGHT TURN
RELAY........................ 8W-80-123
TRANSFER CASE POSITION
SENSOR....................... 8W-80-123
TRANSMISSION CONTROL
MODULE (4.7L)................. 8W-80-124
TRANSMISSION CONTROL
MODULE C1 (DIESEL)........... 8W-80-125
TRANSMISSION CONTROL
MODULE C2 (DIESEL)........... 8W-80-125
TRANSMISSION SOLENOID (4.0L).... 8W-80-125
TRANSMISSION SOLENOID
ASSEMBLY (DIESEL)............ 8W-80-126
TRANSMISSION SOLENOID/TRS
ASSEMBLY (4.7L)................ 8W-80-126
UNDERHOOD LAMP............... 8W-80-126
VEHICLE INFORMATION CENTER . . . 8W-80-127
VISCOUS/CABIN HEATER
(DIESEL)...................... 8W-80-127
WASHER FLUID LEVEL SWITCH.... 8W-80-127
WASTEGATE SOLENOID
(DIESEL)...................... 8W-80-127
WATER IN FUEL SENSOR
(DIESEL)...................... 8W-80-127
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 5

BOOST PRESSURE SENSOR (DIESEL) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K4 20BK/LB SENSOR GROUND
2 Y53 20BK/YL BOOST PRESSURE SENSOR SIGNAL
3 K6 20VT/WT SENSOR REFERENCE VOLTAGE B
BRAKE LAMP SWITCH - GRAY 6 WAY
CAV CIRCUIT FUNCTION
1 K29 18WT/PK SECONDARY BRAKE SWITCH SIGNAL
2 Z238 18BK (LHD) GROUND
2 Z243 18BK (RHD) GROUND
3 V32 22OR/DG (GAS) SPEED CONTROL POWER SUPPLY
4 V30 22DB/RD (GAS) SPEED CONTROL BRAKE SWITCH OUTPUT
5 L50 20VT/TN (LHD) PRIMARY BRAKE SWITCH SIGNAL
5 L50 20WT/TN (RHD) PRIMARY BRAKE SWITCH SIGNAL
6 F32 20PK/DB FUSED B(+)
C100 - BLACK (RIGHT HEADLAMP AND DASH
SIDE)
CAV CIRCUIT
1 T40 12LG
2 K125 18WT/DB
3 K20 18DG
C100 - BLACK (BATTERY SIDE)
CAV CIRCUIT
1 T40 12LG
2 K125 18WT/DB
3 K20 18DG
C101 (4.0L RHD) - LT. GRAY (ENGINE SIDE)
CAV CIRCUIT
1 B22 18DG/YL
2 K99 18BR/OR
3 K299 18BR/WT
4 K6 18VT/BK
5 C18 18DB
6-
8W - 80 - 12 8W-80 CONNECTOR PIN-OUTWJ

CLOCKSPRING C1 - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 X3 20GY/OR HORN RELAY CONTROL
2 V37 20RD/LG SPEED CONTROL SWITCH SIGNAL
3 K4 20BK/LB SENSOR GROUND
4- -
CLOCKSPRING C2-4WAY
CAV CIRCUIT FUNCTION
1 R63 20TN/LB DRIVER SQUIB 2 LINE 2
2 R61 20OR/LB DRIVER SQUIB 2 LINE 1
3 R43 20BK/LB DRIVER SQUIB 1 LINE 1
4 R45 20DG/LB DRIVER SQUIB 1 LINE 2
CLOCKSPRING C3 - GRAY 6 WAY
CAV CIRCUIT FUNCTION
1 X20 20RD/YL RADIO CONTROL MUX
2 X10 20RD/BK RADIO CONTROL MUX RETURN
3 X3 20GY/OR HORN RELAY CONTROL
4 V37 20RD/LG SPEED CONTROL SWITCH SIGNAL
5 K4 20BK/LB SENSOR GROUND
6- -
CLOCKSPRING C4 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 X20 20RD/YL RADIO CONTROL MUX
2 X10 20RD/BK RADIO CONTROL MUX RETURN
COIL ON PLUG NO. 1 (4.7L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K91 14TN/RD COIL DRIVER NO. 1
2 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
3- -
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 61

CONTROLLER ANTILOCK BRAKE - BLACK 24 WAY
CAV CIRCUIT FUNCTION
1 Z101 12BK/OR GROUND
2 B1 18YL/DB RIGHT REAR WHEEL SPEED SENSOR SIGNAL
3 B2 18YL RIGHT REAR WHEEL SPEED SENSOR 12 VOLT
SUPPLY
4- -
5 D25 18VT/YL PCI BUS
6 B6 18WT/DB RIGHT FRONT WHEEL SPEED SENSOR SIGNAL
7 B7 18WT RIGHT FRONT WHEEL SPEED SENSOR 12 VOLT
SUPPLY
8- -
9 A20 12RD/DB FUSED B(+)
10 F20 18DB/PK FUSED IGNITION SWITCH OUTPUT (RUN)
11 D52 18LG/WT (DIESEL) CAN C BUS(+)
12 - -
13 B22 18DG/YL VEHICLE SPEED SENSOR SIGNAL
14 D51 18DG/WT (DIESEL) CAN C BUS(-)
15 - -
16 Z102 12BK/OR GROUND
17 G9 18GY/BK BRAKE FLUID LEVEL SWITCH SENSE
18 L50 18WT/TN PRIMARY BRAKE SWITCH SIGNAL
19 B3 18LG/DB LEFT REAR WHEEL SPEED SENSOR SIGNAL
20 B4 18LG LEFT REAR WHEEL SPEED SENSOR 12 VOLT SUPPLY
21 Z231 18BK GROUND
22 B8 18RD/DB LEFT FRONT WHEEL SPEED SENSOR SIGNAL
23 B9 18RD LEFT FRONT WHEEL SPEED SENSOR 12 VOLT
SUPPLY
24 A10 12RD/DG FUSED B(+)
COOLANT LEVEL SENSOR - LT. GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 G18 20PK/BK (EXCEPT LHD GAS) COOLANT LEVEL SWITCH SENSE
1 G18 18PK/BK (LHD GAS) COOLANT LEVEL SWITCH SENSE
2 Z307 20BK GROUND
CRANKCASE HEATER (DIESEL) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Z18 20BR GROUND
2 F15 20RD/DG FUSED AUTO SHUT DOWN RELAY OUTPUT
8W - 80 - 64 8W-80 CONNECTOR PIN-OUTWJ

DRIVER SEAT BELT SWITCH-2WAY
CAV CIRCUIT FUNCTION
1 R57 20DG DRIVER SEAT BELT SWITCH SENSE
2 R59 20LB DRIVER SEAT BELT SWITCH GROUND
DRIVER SIDE IMPACT SENSOR - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3 R133 20LB/DG DRIVER SIDE IMPACT SENSOR GROUND
4 R131 20LG/YL DRIVER SIDE IMPACT SENSOR SIGNAL
EGR SOLENOID (DIESEL) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 F15 18RD/DG FUSED AUTO SHUT DOWN RELAY OUTPUT
2 K35 20GY/YL EGR SOLENOID CONTROL
ELECTRIC BRAKE (EXCEPT BUILT-UP-EXPORT) - BLUE 4 WAY
CAV CIRCUIT FUNCTION
1 Z151 14BK GROUND
2 L50 18WT/TN PRIMARY BRAKE SWITCH SIGNAL
3 B40 12LB TRAILER TOW BRAKE B(+)
4 F9 14RD/BK FUSED B(+)
ELECTRONIC SPEED CONTROL SERVO - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 V36 20TN/RD (RHD/GAS) SPEED CONTROL VACUUM SOLENOID CONTROL
1 V36 18TN/RD (LHD GAS) SPEED CONTROL VACUUM SOLENOID CONTROL
2 V35 20LG/RD (RHD/GAS) SPEED CONTROL VENT SOLENOID CONTROL
2 V35 18LG/RD (LHD GAS) SPEED CONTROL VENT SOLENOID CONTROL
3 V30 20DB/RD SPEED CONTROL BRAKE SWITCH OUTPUT
4 Z307 20BK GROUND
8W - 80 - 74 8W-80 CONNECTOR PIN-OUTWJ