Ignition JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual

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 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

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

JUNCTION BLOCK C1 - BLACK 52 WAY
CAV CIRCUIT FUNCTION
1 Q30 16TN ACCESSORY DELAY RELAY OUTPUT
2 L63 18DG/RD LEFT TURN SIGNAL
3- -
4- -
5 L95 18DG/YL (BUILT-UP-EXPORT) REAR FOG LAMP RELAY OUTPUT
6- -
7- -
8- -
9 G73 20LG/OR LIFTGATE COURTESY DISABLE
10 G77 20TN/OR LEFT REAR DOOR AJAR SWITCH SENSE
11 L7 18BK/YL PARK LAMP RELAY OUTPUT
12 - -
13 - -
14 - -
15 F37 16RD (LHD EXCEPT BASE) FUSED B(+)
15 F37 16RD/LB (RHD) FUSED B(+)
16 M2 18YL (RHD) COURTESY LAMP DRIVER
16 M2 20YL/DG (LHD) COURTESY LAMP DRIVER
17 - -
18 - -
19 - -
20 - -
21 - -
22 F22 20WT/PK (RHD) FUSED IGNITION SWITCH OUTPUT (RUN)
23 - -
24 G80 20VT/YL LIFTGATE FLIP-UP AJAR SWITCH SENSE
25 G78 20TN/BK LIFTGATE AJAR SWITCH SENSE
26 M20 18YL/BK (RHD) COURTESY LAMP LOAD SHED
26 M20 20YL/BK (LHD) COURTESY LAMP LOAD SHED
27 - -
28 - -
29 - -
30 G5 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
31 - -
32 M1 18PK/RD (RHD) FUSED B(+)
33 - -
34 - -
35 F9 14RD/BK FUSED B(+)
36 F70 18PK FUSED B(+)
37 - -
38 - -
39 - -
40 - -
41 F30 14RD/TN (LHD) CIGAR LIGHTER RELAY OUTPUT
41 F30 16RD/TN (RHD) CIGAR LIGHTER RELAY OUTPUT
42 - -
43 - -
44 - -
45 - -
46 - -
47 - -
48 - -
49 - -
50 C15 12BK/WT REAR WINDOW DEFOGGER RELAY OUTPUT
51 - -
52 - -
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 87

JUNCTION BLOCK C2 (LHD) - BLACK 52 WAY
CAV CIRCUIT FUNCTION
1 X3 22GY/OR HORN RELAY CONTROL
2- -
3 L39 20LB FOG LAMP RELAY OUTPUT
4- -
5 L61 20TN/LG LEFT TURN SIGNAL
6- -
7- -
8 V6 16DB FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
9 V6 16DB (GAS) FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
10 L62 18BR/RD RIGHT TURN SIGNAL
11 F991 20OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
12 L39 20LB FOG LAMP RELAY OUTPUT
13 - -
14 - -
15 V16 22VT WIPER HIGH/LOW RELAY CONTROL
16 - -
17 - -
18 - -
19 - -
20 L7 20BK/YL PARK LAMP RELAY OUTPUT
21 L7 20BK/YL PARK LAMP RELAY OUTPUT
22 - -
23 - -
24 F37 16RD/LB (EXCEPT BASE) FUSED B(+)
25 F22 20WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
26 L60 20TN RIGHT TURN SIGNAL
27 F45 20YL/RD FUSED IGNITION SWITCH OUTPUT (START)
28 V55 16TN/RD WIPER PARK SWITCH SENSE
29 - -
30 - -
31 F72 16RD/YL FUSED B(+)
32 M1 20PK/RD FUSED B(+)
33 V55 16TN/RD (GAS) WIPER PARK SWITCH SENSE
34 - -
35 - -
36 A146 12OR/WT FUSED B(+)
37 - -
38 L34 18RD/OR FUSED RIGHT HIGH BEAM OUTPUT
39 L43 18VT FUSED LEFT LOW BEAM OUTPUT
40 - -
41 - -
42 F20 18DB/PK FUSED IGNITION SWITCH OUTPUT (RUN)
43 F12 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
44 - -
45 A146 12OR/WT FUSED B(+)
46 - -
47 F32 20PK/DB FUSED B(+)
48 - -
49 L44 18VT/RD FUSED RIGHT LOW BEAM OUTPUT
50 L33 18RD FUSED LEFT HIGH BEAM OUTPUT
51 - -
52 F60 14RD/WT (EXCEPT BASE) FUSED B(+)
8W - 80 - 88 8W-80 CONNECTOR PIN-OUTWJ

JUNCTION BLOCK C2 (RHD) - BLACK 52 WAY
CAV CIRCUIT FUNCTION
1 X3 22BK/RD HORN RELAY CONTROL
2- -
3 L39 20LB FOG LAMP RELAY OUTPUT
4- -
5 L61 20TN/LG LEFT TURN SIGNAL
6- -
7- -
8 V6 16DB FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
9 V6 16DB (GAS) FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
10 L62 20BR/RD RIGHT TURN SIGNAL
11 F991 20OR/DB (GAS) FUSED IGNITION SWITCH OUTPUT (RUN-START)
12 L39 20LB FOG LAMP RELAY OUTPUT
13 - -
14 - -
15 V16 22VT -
16 - -
17 - -
18 - -
19 - -
20 L7 20BK/YL PARK LAMP RELAY OUTPUT
21 L7 18BK/YL PARK LAMP RELAY OUTPUT
22 - -
23 - -
24 F37 16RD/LB FUSED B(+)
25 F22 18WT/TN FUSED IGNITION SWITCH OUTPUT (RUN)
26 L60 20TN RIGHT TURN SIGNAL
27 F45 20YL/RD FUSED IGNITION SWITCH OUTPUT (START)
28 V55 16TN/RD WIPER PARK SWITCH SENSE
29 - -
30 - -
31 - -
32 M1 20PK/RD FUSED B(+)
33 V55 16TN/RD (GAS) WIPER PARK SWITCH SENSE
34 - -
35 - -
36 A146 12OR/WT FUSED B(+)
37 - -
38 L34 18RD/OR FUSED RIGHT HIGH BEAM OUTPUT
39 L43 18VT FUSED LEFT LOW BEAM OUTPUT
40 - -
41 - -
42 F20 18DB/PK FUSED IGNITION SWITCH OUTPUT (RUN)
43 F12 20DB/WT (GAS) FUSED IGNITION SWITCH OUTPUT (RUN-START)
44 - -
45 A146 12OR/WT FUSED B(+)
46 - -
47 F32 20PK/DB FUSED B(+)
48 - -
49 L44 18VT/RD FUSED RIGHT LOW BEAM OUTPUT
50 L33 18RD FUSED LEFT HIGH BEAM OUTPUT
51 - -
52 F60 16RD/WT FUSED B(+)
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 89

JUNCTION BLOCK C3 - BLACK 52 WAY
CAV CIRCUIT FUNCTION
1 F22 20WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
2- -
3 L60 20TN RIGHT TURN SIGNAL
4 L302 20LB/YL RIGHT TURN SWITCH SENSE
5 L61 20TN/LG LEFT TURN SIGNAL
6 L91 20DB/PK HAZARD SWITCH SENSE
7- -
8 L305 20LB/WT LEFT TURN SWITCH SENSE
9- -
10 L309 20PK/LG HIGH BEAM RELAY CONTROL
11 F23 18DB/YL FUSED IGNITION SWITCH OUTPUT (RUN)
12 F22 20WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
13 - -
14 F85 16VT/WT FUSED B(+)
15 C79 20BK/WT FUSED REAR WINDOW DEFOGGER RELAY OUTPUT
16 - -
17 - -
18 - -
19 - -
20 - -
21 - -
22 - -
23 - -
24 A31 12RD/BK IGNITION SWITCH OUTPUT (RUN-ACC)
25 F60 16RD/WT FUSED B(+)
26 - -
27 A41 12YL IGNITION SWITCH OUTPUT (START)
28 F14 20LG/YL FUSED IGNITION SWITCH OUTPUT (RUN-START)
29 A22 12BK/OR IGNITION SWITCH OUTPUT (RUN)
30 F991 18OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
31 Z234 20BK GROUND
32 F33 20PK/RD FUSED B(+)
33 X12 16WT/RD FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
34 M1 20PK FUSED B(+)
35 M1 20PK (AZC) FUSED B(+)
36 A21 12DB IGNITION SWITCH OUTPUT (RUN-START)
37 - -
38 F70 20PK/BK FUSED B(+)
39 X3 20GY/OR HORN RELAY CONTROL
40 F30 16RD FUSED CIGAR LIGHTER RELAY OUTPUT
41 F33 20PK/RD FUSED B(+)
42 - -
43 V23 20BR/PK FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
44 M1 20PK FUSED B(+)
45 Z132 20BK/OR GROUND
46 - -
47 - -
48 F70 20PK/BK FUSED B(+)
49 - -
50 G5 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
51 G5 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
52 F12 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
8W - 80 - 90 8W-80 CONNECTOR PIN-OUTWJ

LINE PRESSURE SENSOR (4.7L) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 Z114 14BK/LB GROUND
2 T138 14GY/LB 5 VOLT SUPPLY
3 T130 14VT/TN LINE PRESSURE SENSOR SIGNAL
4- -
MANIFOLD ABSOLUTE PRESSURE SENSOR (4.0L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
2 K1 18DG/RD MAP SENSOR SIGNAL
3 K7 18OR 5 VOLT SUPPLY
MANIFOLD ABSOLUTE PRESSURE SENSOR (4.7L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K1 18DG/RD MAP SENSOR SIGNAL
2 K4 18BK/LB SENSOR GROUND
3 K7 18OR 5 VOLT SUPPLY
MANUAL TEMPERATURE CONTROL C1 (MTC) - WHITE 11 WAY
CAV CIRCUIT FUNCTION
1 C103 20DG A/C SWITCH SIGNAL
2 Z123 20BK/OR GROUND
3 C67 20RD/LB BLEND AIR DOOR POSITION CONTROL
4 C79 20BK/WT FUSED REAR WINDOW DEFOGGER RELAY OUTPUT
5 C81 20LB/WT REAR WINDOW DEFOGGER SWITCH SENSE
6 F22 20WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
7 E2 20OR PANEL LAMPS DRIVER
8 C4 16TN BLOWER MOTOR LOW DRIVER
9 C5 16LG BLOWER MOTOR M1 DRIVER
10 C6 14LB BLOWER MOTOR M2 DRIVER
11 - -
8W - 80 - 98 8W-80 CONNECTOR PIN-OUTWJ