F15 18 JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual

C102 (GAS RHD) - BLACK (ENGINE SIDE)
CAV CIRCUIT
1 A30 14RD/WT (4.7L)
2 F991 18OR/DB
3 K173 18LG
4 F42 18DG/LG
5 A7 14RD/BK
6 L1 18VT/BK
7 Z306 20BK/LG
8 T41 18BK/WT
9-
10 K4 18BK/LB
11 K200 18VT/OR (4.7L)
12 C2 18DB/YL
13 -
14 A142 14DG/OR
C103 (DIESEL) - GRAY (LEFT HEADLAMP AND
DASH SIDE)
CAV CIRCUIT
1 T41 18BK/WT
2 K173 18LG
3 C2 18DB/PK
4-
5 F142 14OR/DG
6 K51 18DB/YL
7 K25 18VT/LG
8 Y42 18OR/DB
9 C18 18DB
10 K4 20BK/LB
11 K6 18VT/WT
12 -
13 T40 12BR
14 F15 18DB/WT
C103 (DIESEL) - GRAY (ENGINE SIDE)
CAV CIRCUIT
1 T41 20BK/WT
2 K173 20GY
3 C3 14DB/BK
4-
5 F142 16RD/DG
6 K51 20DB/YL
7 K25 20VT/DG
8 Y42 20RD/DB
9 C18 20DB
10 K4 16BK/LB
11 K6 16VT/WT
12 -
13 T40 12DG
14 F15 20DB/WT
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 15

C105 (DIESEL) - GRAY (ENGINE SIDE)
CAV CIRCUIT
1 C13 20DB/RD
2 F300 20RD/BK
3 V37 20RD/DG
4 Z305 18BK/DB
5 Z306 18BK/DB
6-
7-
8-
9-
10 -
11 -
12 -
13 -
14 -
C106 (DIESEL) - GRAY (BODY SIDE)
CAV CIRCUIT
A B10 14BR/WT (LHD)
B-
C-
D-
E-
F-
G-
H-
J-
K-
L-
M B29 14DG/OR
1 F15 20DB/WT
2-
3 G31 20VT/LG
4 G32 20DB/OR (RHD)
4 G32 20BK/LB (LHD)
5 G18 20PK/BK
6-
7-
8 F12 20DB/WT (LHD)
9-
10 Z231 18BK (RHD)
11 K4 20BK/LB (LHD)
11 G9 18GY/BK (RHD)
12 K6 18VT/WT (LHD)
13 -
14 -
15 -
16 K173 18LG
17 -
18 X2 18DG/RD
19 C18 18DB (LHD)
20 Y42 18OR/DB
21 -
8W - 80 - 18 8W-80 CONNECTOR PIN-OUTWJ

C106 (DIESEL) - GRAY (RIGHT HEADLAMP AND
DASH SIDE)
CAV CIRCUIT
A-
B-
C-
D-
E-
F-
G-
H-
J-
K-
L-
M-
1 F15 18DB/WT
2-
3 G31 20VT/LG
4 G32 20BK/LB
5 G18 20PK/BK
6-
7-
8-
9-
10 Z231 18BK (RHD)
11 K4 18BK/LB (LHD)
11 G9 18GY/BK (RHD)
12 K6 18VT/WT (LHD)
13 -
14 -
15 -
16 K173 18LG
17 -
18 X2 18DG/RD
19 C18 18DB (LHD)
20 Y42 18OR/DB
21 -
22 -
23 -
24 -
25 B7 18WT
26 B6 18WT/DB
27 -
28 -
29 -
30 -
31 -
8W - 80 - 20 8W-80 CONNECTOR PIN-OUTWJ

C107 (DIESEL) - GRAY (BODY SIDE)
CAV CIRCUIT
A B10 14BR/WT
B A148 16LG/RD
C C1 12DG
D A149 12RD/TN
E-
F A1 12RD
G A145 10WT/RD
H A146 10OR/WT
J A147 10RD/GY
K A148 10PK/WT
L A2 12PK/BK
M B29 14DG/OR
1 X2 18DG/RD
2 V11 20BK/TN
3 K4 20BK/LB
4 V37 22RD/LG (LHD)
4 V37 20RD/LG (RHD)
5 V55 16TN/RD
6 V6 16DB
7 V10 22BR (LHD)
7 V10 20BR (RHD)
8-
9 K226 18LB/YL (LHD)
9 K226 20LB/YL (RHD)
10 X3 22GY/OR (LHD)
10 X3 22BK/RD (RHD)
11 F15 20DB/WT
12 F45 20YL/RD
13 T41 18BK/WT
14 -
15 G70 20BR/TN
16 G9 18GY/BK (RHD)
17 Z231 18BK (RHD)
18 -
19 -
20 -
21 F991 20OR/DB
22 -
23 X75 20GY/LG
24 Y42 18OR/DB
25 B7 18WT
26 B6 18WT/DB
27 B4 18LG
28 B3 18LG/DB
29 B2 18YL
8W - 80 - 26 8W-80 CONNECTOR PIN-OUTWJ

C107 (DIESEL) - GRAY (LEFT HEADLAMP AND
DASH SIDE)
CAV CIRCUIT
A-
B A148 16LG/RD
C C1 12DG
D A149 12RD/TN
E-
F A1 12RD
G A145 10WT/RD
H A146 10OR/WT
J A147 10RD/GY
K A148 10PK/WT
L A2 12PK/BK
M-
1 X2 18DG/RD
2 V11 20BK/TN
3 K4 18BK/LB
4 V37 18RD/LG
5 V55 16TN/RD
6 V6 16DB
7 V10 20BR
8-
9 K226 18DB/WT
10 X3 20BK/RD
11 F15 18DB/WT
12 F45 18YL/RD
13 T41 18BK/WT
14 -
15 G70 20BR/TN
16 G9 18GY/BK (RHD)
17 Z231 18BK (RHD)
18 -
19 -
20 -
21 F991 20OR/DB
22 -
23 X75 18GY/LB
24 Y42 18OR/DB
25 B7 18WT
26 B6 18WT/DB
27 B4 18LG
28 B3 18LG/DB
29 B2 18YL
30 B1 18YL/DB
31 -
32 M1 18PK
8W - 80 - 28 8W-80 CONNECTOR PIN-OUTWJ

C318 - (OVERLAY SIDE)
CAV CIRCUIT
1 R72 20LB/WT (RHD)
1 R73 20LB/BR (LHD)
2 R74 20LB/YL (RHD)
2 R75 20LB/OR (LHD)
C319 - (RIGHT BODY SIDE (LHD)/ LEFT BODY
SIDE (RHD))
CAV CIRCUIT
1 R72 20LB/WT (LHD)
2 R74 20LB/YL (LHD)
C319 - (OVERLAY SIDE)
CAV CIRCUIT
1 R73 20LB/BR (RHD)
1 R72 20LB/WT (LHD)
2 R75 20LB/OR (RHD)
2 R74 20LB/YL (LHD)
CAMSHAFT POSITION SENSOR (DIESEL) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K944 20BR/DG CAMSHAFT POSITION SENSOR GROUND
2 K44 20YL/GY CAMSHAFT POSITION SENSOR SIGNAL
3 F15 18RD/DG FUSED AUTO SHUT DOWN RELAY OUTPUT
CAMSHAFT POSITION SENSOR (GAS) - GRAY 3 WAY
CAV CIRCUIT FUNCTION
1 K44 18TN/YL CAMSHAFT POSITION SENSOR SIGNAL
2 K4 18BK/LB SENSOR GROUND
3 K7 18OR 5 VOLT SUPPLY
CAPACITOR (4.0L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 A142 16DG/OR (RHD) AUTO SHUT DOWN RELAY OUTPUT
1 A142 14DG/OR (LHD) AUTO SHUT DOWN RELAY OUTPUT
2- -
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 59

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

FUEL PRESSURE SENSOR (DIESEL) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 Y100 20BR/GY FUEL PRESSURE SENSOR GROUND
2 Y40 20DG/VT FUEL PRESSURE SENSOR SIGNAL
3 K7 20RD/WT FUEL PRESSURE SENSOR 5 VOLT SUPPLY
FUEL PRESSURE SOLENOID (DIESEL) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K46 20DB/BK FUEL PRESSURE SOLENOID CONTROL
2 F142 16RD/DG FUSED AUTO SHUT DOWN RELAY OUTPUT
FUEL PUMP MODULE (GAS) - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 A141 16DG/BK FUEL PUMP RELAY OUTPUT
2- -
3 K226 20LB/YL FUEL LEVEL SENSOR SIGNAL
4 K4 20BK/LB SENSOR GROUND
5- -
6 Z150 16BK GROUND
FUEL TANK MODULE (DIESEL) - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3 K226 20LB/YL FUEL LEVEL SENSOR SIGNAL
4 K4 20BK/LB SENSOR GROUND
5- -
6- -
GENERATOR (DIESEL) - LT. GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 F15 14DB/WT FUSED AUTO SHUT DOWN RELAY OUTPUT
2 K20 14DB GENERATOR FIELD CONTROL
8W - 80 - 82 8W-80 CONNECTOR PIN-OUTWJ

HORN NO. 2 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Z307 18BK GROUND
2 X2 18DG/RD HORN RELAY OUTPUT
HYDRAULIC COOLING MODULE - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 F15 18DB/WT (DIESEL) FUSED AUTO SHUT DOWN RELAY OUTPUT
1 F142 18OR/DG (GAS) FUSED AUTO SHUT DOWN RELAY OUTPUT
2 K173 18LG (DIESEL) HYDRAULIC RADIATOR FAN RELAY CONTROL
2 K173 18LG (GAS) RADIATOR FAN RELAY CONTROL
3 Z500 18BK GROUND
IDLE AIR CONTROL MOTOR - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 K59 18VT/BK IDLE AIR CONTROL NO. 4 DRIVER
2 K40 18BR/WT IDLE AIR CONTROL NO. 3 DRIVER
3 K60 18YL/BK IDLE AIR CONTROL NO. 2 DRIVER
4 K39 18GY/BK IDLE AIR CONTROL NO. 1 DRIVER
IGNITION SWITCH C1 - WHITE 6 WAY
CAV CIRCUIT FUNCTION
1 A41 12YL IGNITION SWITCH OUTPUT (START)
2 A2 12PK/BK FUSED B(+)
3 A22 12BK/OR IGNITION SWITCH OUTPUT (RUN)
4 A1 12RD FUSED B(+)
5 A31 12RD/BK IGNITION SWITCH OUTPUT (RUN-ACC)
6 A21 12DB IGNITION SWITCH OUTPUT (RUN-START)
IGNITION SWITCH C2 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 G26 20LB KEY-IN IGNITION SWITCH SENSE
2 Z234 20BK GROUND
8W - 80 - 84 8W-80 CONNECTOR PIN-OUTWJ