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

DRIVER POWER SEAT REAR RISER MOTOR SENSOR (PREMIUM II/III)-3WAY
CAV CIRCUIT FUNCTION
A P28 20BR/RD SEAT POSITION SENSOR GROUND
B P27 20LB/RD REAR RISER POSITION SIGNAL
C P29 20BR/WT SEAT SENSOR 5 VOLT SUPPLY
DRIVER POWER SEAT RECLINER MOTOR - BLACK 2 WAY
CAV CIRCUIT FUNCTION
A P41 16GY/WT (MIDLINE/PREMIUM I) DRIVER SEAT RECLINER DOWN DRIVER
A P141 16GY/WT (PREMIUM II/III) SEAT RECLINER DOWN DRIVER
B P43 16GY/LB (MIDLINE/PREMIUM I) DRIVER SEAT RECLINER UP DRIVER
B P143 16GY/LB (PREMIUM II/III) SEAT RECLINER UP DRIVER
DRIVER POWER SEAT RECLINER MOTOR SENSOR (PREMIUM II/III) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
A P29 20BR/WT SEAT SENSOR 5 VOLT SUPPLY
B P47 20LB RECLINER POSITION SIGNAL
C P28 20BR/RD SEAT POSITION SENSOR GROUND
DRIVER POWER SEAT SWITCH (EXCEPT MIDLINE/PREMIUM) - 12 WAY
CAV CIRCUIT FUNCTION
A F35 16RD FUSED B(+)
B Z1 16BK GROUND
C- -
E P21 16RD/LG (LHD) DRIVER SEAT FRONT DOWN DRIVER
E P19 16YL/LG (RHD) DRIVER SEAT FRONT UP DRIVER
F- -
G- -
H- -
J P19 16YL/LG (LHD) DRIVER SEAT FRONT UP DRIVER
J P21 16RD/LG (RHD) DRIVER SEAT FRONT DOWN DRIVER
K P15 16YL/LB DRIVER SEAT HORIZONTAL FORWARD DRIVER
L P17 16RD/YL DRIVER SEAT HORIZONTAL REARWARD DRIVER
M P13 16RD/WT (LHD) DRIVER SEAT REAR DOWN DRIVER
M P11 16YL/WT (RHD) DRIVER SEAT REAR UP DRIVER
N P11 16YL/WT (LHD) DRIVER SEAT REAR UP DRIVER
N P13 16RD/WT (RHD) DRIVER SEAT REAR DOWN DRIVER
8W - 80 - 72 8W-80 CONNECTOR PIN-OUTWJ

DRIVER POWER SEAT SWITCH (MIDLINE/PREMIUM) - GREEN 10 WAY
CAV CIRCUIT FUNCTION
1 Z1 16BK GROUND
2 P43 16GY/LB (MIDLINE/PREMIUM I) DRIVER SEAT RECLINER UP DRIVER
2 P43 20GY/LB (PREMIUM II/III) RECLINER UP SWITCH SENSE
3 P17 16RD/YL (MIDLINE/PREMIUM I) DRIVER SEAT HORIZONTAL REARWARD DRIVER
3 P17 20RD/YL (PREMIUM II/III) DRIVER SEAT HORIZONTAL REARWARD SWITCH
SENSE
4 P41 16GY/WT (MIDLINE/PREMIUM I) DRIVER SEAT RECLINER DOWN DRIVER
4 P41 20GY/WT (PREMIUM II/III) RECLINER DOWN SWITCH SENSE
5 F35 16RD (MIDLINE/PREMIUM I) FUSED B(+)
5 P9 20RD/LB (PREMIUM II/III) SEAT SWITCH B(+) SUPPLY
6 P15 16YL/LB (MIDLINE/PREMIUM I) DRIVER SEAT HORIZONTAL FORWARD DRIVER
6 P15 20YL/LB (PREMIUM II/III) DRIVER SEAT HORIZONTAL FORWARD SWITCH
SENSE
7 P19 16YL/LG (MIDLINE/PREMIUM I) SEAT FRONT UP SWITCH SENSE
7 P21 20RD/LG (RHD PREMIUM II/III) SEAT FRONT DOWN SWITCH SENSE
7 P19 20YL/LG (PREMIUM II/III) SEAT FRONT UP SWITCH SENSE
8 P13 20RD/WT (RHD PREMIUM II/III) DRIVER SEAT REAR DOWN DRIVER
8 P11 20YL/WT (PREMIUM II/III) SEAT REAR UP SWITCH SENSE
8 P11 16YL/WT (MIDLINE/PREMIUM I) DRIVER SEAT REAR UP DRIVER
9 P13 20RD/WT (PREMIUM II/III) SEAT REAR DOWN SWITCH SENSE
9 P13 16RD/WT (MIDLINE/PREMIUM I) DRIVER SEAT REAR DOWN DRIVER
9 P11 20YL/WT (RHD PREMIUM II/III) DRIVER SEAT REAR UP DRIVER
10 P21 16RD/LG (MIDLINE/PREMIUM I) SEAT FRONT DOWN SWITCH SENSE
10 P21 20RD/LG (PREMIUM II/III) SEAT FRONT DOWN SWITCH SENSE
10 P19 20YL/LG (RHD PREMIUM II/III) SEAT FRONT UP SWITCH SENSE
DRIVER REAR POWER WINDOW MOTOR - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Q124 16DG/WT WINDOW DRIVER (DOWN)
2 Q114 16GY/WT WINDOW DRIVER (UP)
DRIVER REAR POWER WINDOW SWITCH - BLUE 6 WAY
CAV CIRCUIT FUNCTION
1 Q14 16GY DRIVER REAR WINDOW DRIVER (UP)
2 Q114 16GY/WT WINDOW DRIVER (UP)
3 E21 20OR/RD DRIVER REAR DOOR SWITCH ILLUMINATION
4 Q24 16DG DRIVER REAR WINDOW DRIVER (DOWN)
5 Q124 16DG/WT WINDOW DRIVER (DOWN)
6 Z1 16BK GROUND
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 73

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

ENGINE CONTROL MODULE C1 (DIESEL) - BLACK 81 WAY
CAV CIRCUIT FUNCTION
1 Z108 14BK/DG GROUND
2 Z108 14BK/DG GROUND
3 K20 14DB GENERATOR FIELD CONTROL
4 F142 14RD/DG FUSED AUTO SHUT DOWN RELAY OUTPUT
5 F142 14RD/DG FUSED AUTO SHUT DOWN RELAY OUTPUT
6 D52 18DG/WT CAN C BUS(+)
7 D25 20VT/YL PCI BUS
8 K944 20BR/DG CAMSHAFT POSITION SENSOR GROUND
9 K44 20YL/GY CAMSHAFT POSITION SENSOR SIGNAL
10 - -
11 Y53 20BK/YL BOOST PRESSURE SENSOR SIGNAL
12 K155 20YL/WT MASS AIR FLOW SENSOR SIGNAL
13 Y40 20DG/VT FUEL PRESSURE SENSOR SIGNAL
14 K22 20RD/DB ACCELERATOR PEDAL POSITION SENSOR 2 SIGNAL
15 K81 20DB/DG ACCELERATOR PEDAL POSITION SENSOR 1 SIGNAL
16 Y100 20BR/GY FUEL PRESSURE SENSOR GROUND
17 - -
18 - -
19 F300 20RD/BK BATTERY SENSE (+)
20 Z11 20BK/WT BATTERY SENSE (-)
21 K4 18BK/LB SENSOR GROUND
22 F991 20RD/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
23 K6 18VT/WT SENSOR REFERENCE VOLTAGE B
24 K3 20BK CRANKSHAFT POSITION SENSOR SIGNAL 1
25 D51 18WT CAN C BUS(-)
26 - -
27 - -
28 - -
29 K77 20BR/WT TRANSFER CASE POSITION SENSOR INPUT
30 G60 20BR/DB ENGINE OIL PRESSURE SENSOR SIGNAL
31 - -
32 K25 20VT/DG BATTERY TEMPERATURE SENSOR SIGNAL
33 - -
34 K255 20WT/DG ACCELERATOR PEDAL POSITION SENSOR 1 GROUND
35 Y43 20WT/VT ACCELERATOR PEDAL POSITION SENSOR 1 5-VOLT
SUPPLY
36 C18 20DB A/C PRESSURE SENSOR SIGNAL
37 - -
38 V37 20RD/DG SPEED CONTROL SWITCH SIGNAL
39 K226 20DB/WT FUEL LEVEL SENSOR SIGNAL
40 K2 20DG/RD ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
41 K21 20DG/WT INTAKE AIR TEMPERATURE SENSOR SIGNAL
42 Y101 20 CRANKSHAFT POSITION SENSOR SHIELD
43 K924 20YL CRANKSHAFT POSITION SENSOR SIGNAL 2
44 - -
45 - -
46 - -
47 L50 20WT/DB PRIMARY BRAKE SWITCH SIGNAL
48 K29 20WT/PK SECONDARY BRAKE SWITCH SIGNAL
49 - -
50 F855 18BR/YL SENSOR REFERENCE VOLTAGE A
51 - -
52 - -
53 - -
54 Z189 20BR MASS AIR FLOW SENSOR GROUND
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 75

ENGINE CONTROL MODULE C2 (DIESEL) - BLACK 40 WAY
CAV CIRCUIT FUNCTION
105 - -
106 - -
107 - -
108 - -
109 - -
110 - -
111 - -
112 T41 20BK/WT PARK/NEUTRAL POSITION SWITCH SENSE (T41)
113 - -
114 - -
115 K14 14BK/YL FUEL INJECTOR NO. 4 CONTROL
116 K63 14BK COMMON INJECTOR DRIVER
117 - -
118 K11 14BK/DB FUEL INJECTOR NO. 1 CONTROL
119 K38 14BK/DG FUEL INJECTOR NO. 5 CONTROL
120 K12 14BK/VT FUEL INJECTOR NO. 2 CONTROL
121 K13 14BK/RD FUEL INJECTOR NO. 3 CONTROL
ENGINE COOLANT TEMPERATURE SENSOR (DIESEL) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K4 20BK/LB SENSOR GROUND
2 K2 20DG/RD ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
ENGINE COOLANT TEMPERATURE SENSOR (GAS) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
2 K2 18TN/BK ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
ENGINE OIL PRESSURE SENSOR (DIESEL) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K6 18VT/WT SENSOR REFERENCE VOLTAGE B
2 G60 20BR/DB ENGINE OIL PRESSURE SENSOR SIGNAL
3 K4 18BK/LB SENSOR GROUND
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 77

ENGINE OIL PRESSURE SENSOR (GAS) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K6 18VT/BK 5 VOLT SUPPLY
2 G60 18GY/YL ENGINE OIL PRESSURE SENSOR SIGNAL
3 K4 18BK/LB SENSOR GROUND
EVAP/PURGE SOLENOID (GAS) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 F12 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
2 K52 18PK/BK (RHD) DUTY CYCLE EVAP/PURGE SOLENOID CONTROL
2 K52 20PK/BK (LHD) DUTY CYCLE EVAP/PURGE SOLENOID CONTROL
FRONT POWER OUTLET - RED 3 WAY
CAV CIRCUIT FUNCTION
1 F85 16VT (RHD) FUSED B(+)
1 F85 16VT/WT (LHD) FUSED B(+)
2- -
3 Z300 16BK GROUND
FRONT WASHER PUMP - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 V10 20BR WASHER PUMP SWITCH SENSE
2 Z141 20BK GROUND
FRONT WIPER MOTOR - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 V6 16DB FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
2 V55 16TN/RD WIPER PARK SWITCH SENSE
3- -
4 Z141 16BK GROUND
5 V3 16BR/WT WIPER HIGH/LOW RELAY LOW SPEED OUTPUT
6 V4 16RD/YL WIPER HIGH/LOW RELAY HIGH SPEED OUTPUT
8W - 80 - 78 8W-80 CONNECTOR PIN-OUTWJ

GENERATOR (GAS) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K125 18WT/DB GENERATOR SOURCE
2 K20 18DG GENERATOR FIELD DRIVER
GLOVE BOX LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 F70 20PK/BK FUSED B(+)
2 M20 20BR/OR COURTESY LAMP LOAD SHED
HEADLAMP LEVELING SWITCH (BUILT-UP-EXPORT) - WHITE 3 WAY
CAV CIRCUIT FUNCTION
1 Z234 20BK GROUND
2 L7 18BK/YL PARK LAMP RELAY OUTPUT
3 L13 20BR/YL HEADLAMP ADJUST SIGNAL
HOOD AJAR SWITCH (BUILT-UP-EXPORT) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 G70 20BR/TN HOOD AJAR SWITCH SENSE
2 Z141 20BK (DIESEL) GROUND
2 Z161 20BK (GAS) GROUND
HORN NO. 1 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Z307 18BK GROUND
2 X2 18DG/RD HORN RELAY OUTPUT
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 83

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

INPUT SPEED SENSOR (4.7L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 T52 18RD/BK INPUT SPEED SENSOR SIGNAL
2 T13 18DB/BK SPEED SENSOR GROUND
INSTRUMENT CLUSTER - WHITE 12 WAY
CAV CIRCUIT FUNCTION
1 L61 20TN/LG LEFT TURN SIGNAL
2 L60 20TN RIGHT TURN SIGNAL
3- -
4- -
5 G9 20GY/BK RED BRAKE WARNING INDICATOR DRIVER
6 F33 20PK/RD FUSED B(+)
7 G5 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
8 D19 20VT/OR BODY CONTROL MODULE FLASH ENABLE
9 Z300 20BK GROUND
10 D25 20YL/VT/RD PCI BUS
11 Z132 20BK/OR GROUND
12 - -
INTAKE AIR TEMPERATURE SENSOR (DIESEL) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K4 20BK/LB SENSOR GROUND
2 K21 20DG/WT INTAKE AIR TEMPERATURE SENSOR SIGNAL
INTAKE AIR TEMPERATURE SENSOR (GAS) - GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
2 K21 18BK/RD INTAKE AIR TEMPERATURE SENSOR SIGNAL
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 85

INTAKE PORT SWIRL ACTUATOR (DIESEL) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 Z18 18BK GROUND
2 F15 18RD/DG FUSED AUTO SHUT DOWN RELAY OUTPUT
3 K900 18GY INTAKE PORT SWIRL ACTUATOR SIGNAL
INTRUSION TRANSCEIVER MODULE (BUILT-UP-EXPORT) - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 Z155 20BK GROUND
2- -
3 X75 20GY/LG SIREN SIGNAL CONTROL
4- -
5 D25 20YL/VT PCI BUS
6 F70 20PK FUSED B(+)
JUNCTION BLOCK BODY CONTROL MODULE - BLACK 26 WAY
CAV CIRCUIT FUNCTION
1 L308 PARK LAMP RELAY CONTROL
2 L26 FOG LAMP RELAY CONTROL
3 Q29 ACCESSORY DELAY RELAY CONTROL
4 L307 LOW BEAM RELAY CONTROL
5 G5 FUSED IGNITION SWITCH OUTPUT (RUN-START)
6 X4 HORN RELAY CONTROL
7 V16 WIPER HIGH/LOW RELAY CONTROL
8 G80 LIFTGATE FLIP-UP AJAR SWITCH SENSE
9 L11 HIGH BEAM RELAY CONTROL
10 L91 HAZARD SWITCH SENSE
11 C80 REAR WINDOW DEFOGGER RELAY CONTROL
12 Z2 GROUND
13 L96 (BUILT-UP-EXPORT) REAR FOG LAMP RELAY CONTROL
14 L7 PARK LAMP RELAY OUTPUT
15 Z1 GROUND
16 M2 COURTESY LAMP DRIVER
17 - -
18 - -
19 M20 COURTESY LAMP LOAD SHED
20 V55 WIPER PARK SWITCH SENSE
21 G78 LIFTGATE AJAR SWITCH SENSE
22 G10 SEAT BELT SWITCH SENSE
23 G77 LEFT REAR DOOR AJAR SWITCH SENSE
24 G73 LIFTGATE COURTESY DISABLE
25 V23 FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
26 M1 FUSED B(+)
8W - 80 - 86 8W-80 CONNECTOR PIN-OUTWJ