diesel JEEP GRAND CHEROKEE 2002 WJ / 2.G Repair Manual

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

LEFT DOOR HANDLE COURTESY LAMP - WHITE 3 WAY
CAV CIRCUIT FUNCTION
1 F70 20PK/BK FUSED B(+)
2 M20 20YL/BK COURTESY LAMP LOAD SHED
3 M2 20YL/DG COURTESY LAMP DRIVER
LEFT FOG LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L39 20LB FOG LAMP RELAY OUTPUT
2 Z141 20BK (DIESEL/4.7L RHD) GROUND
2 Z141 18BK (EXCEPT DIESEL/4.7L RHD) GROUND
LEFT FRONT DOOR SPEAKER - WHITE 3 WAY
CAV CIRCUIT FUNCTION
1 X55 18LG/DG (BASE) LEFT FRONT DOOR SPEAKER (-)
1 X85 18LB/BK (RHD PREMIUM) LEFT FRONT DOOR SPEAKER (-)
1 X85 18LG/DG (LHD PREMIUM) LEFT FRONT DOOR SPEAKER (-)
2- -
3 X53 18LG/RD (BASE) LEFT FRONT DOOR SPEAKER (+)
3 X87 18LB/RD (RHD PREMIUM) LEFT FRONT DOOR SPEAKER (+)
3 X87 18LG/RD (LHD PREMIUM) LEFT FRONT DOOR SPEAKER (+)
LEFT FRONT IMPACT SENSOR - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3 R47 18DB/LB LEFT FRONT IMPACT SENSOR GROUND
4 R49 18LB LEFT FRONT IMPACT SENSOR SIGNAL
LEFT FRONT PARK LAMP - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 Z1 18BK GROUND
2 L7 20BK/PK PARK LAMP RELAY OUTPUT
8W - 80 - 92 8W-80 CONNECTOR PIN-OUTWJ

LEFT REAR WHEEL SPEED SENSOR - GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 B4 18LG LEFT REAR WHEEL SPEED SENSOR 12 VOLT SUPPLY
2 B3 18LG/DB LEFT REAR WHEEL SPEED SENSOR SIGNAL
LEFT REMOTE RADIO SWITCH - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 X10 20RD/BK RADIO CONTROL MUX RETURN
2 X20 20RD/YL RADIO CONTROL MUX
LEFT SIDE REPEATER LAMP (BUILT-UP-EXPORT) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L61 18LG (DIESEL) LEFT TURN SIGNAL
1 L61 18TN/LG (GAS) LEFT TURN SIGNAL
2 Z161 18BK GROUND
LEFT VISOR/VANITY LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 F70 20PK FUSED B(+)
2 M20 20YL/BK COURTESY LAMP LOAD SHED
LICENSE LAMP NO. 1 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L7 18BK/YL PARK LAMP RELAY OUTPUT
2 Z1 18BK GROUND
8W - 80 - 96 8W-80 CONNECTOR PIN-OUTWJ

MANUAL TEMPERATURE CONTROL C2 (MTC) - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 Z118 12BK GROUND
2 C7 12BK/TN BLOWER MOTOR HIGH DRIVER
MASS AIR FLOW SENSOR (DIESEL) - BLACK 5 WAY
CAV CIRCUIT FUNCTION
1- -
2 F15 16RD/DG FUSED AUTO SHUT DOWN RELAY OUTPUT
3 Z189 20BR MASS AIR FLOW SENSOR GROUND
4 F855 20BR/YL SENSOR REFERENCE VOLTAGE A
5 K155 20YL/WT MASS AIR FLOW SENSOR SIGNAL
MODE DOOR MOTOR/ACTUATOR (AZC) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
A C102 20TN/BK (LHD) MODE DOOR DRIVER (B)
A C35 20DG/YL (RHD) MODE DOOR DRIVER (A)
B C35 20DG/YL (LHD) MODE DOOR DRIVER (A)
B C102 20TN/BK (RHD) MODE DOOR DRIVER (B)
NEEDLE MOVEMENT SENSOR (DIESEL) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K67 18BR/BK NEEDLE MOVEMENT SENSOR SIGNAL
2 K68 18LG/YL NEEDLE MOVEMENT SENSOR GROUND
OUTPUT SPEED SENSOR (4.0L) - GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 T13 18DB/BK SPEED SENSOR GROUND
2 T14 18LG/WT OUTPUT SPEED SENSOR SIGNAL
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 99

OXYGEN SENSOR 2/2 DOWNSTREAM-4WAY
CAV CIRCUIT FUNCTION
1 K200 18VT/OR (4.0L) OXYGEN SENSOR DOWNSTREAM RELAY OUTPUT
1 K200 18BR/WT (4.7L) OXYGEN SENSOR DOWNSTREAM RELAY OUTPUT
2 Z186 18BK GROUND
3 K4 18BK/LB SENSOR GROUND
4 K341 18TN/WT (4.0L) OXYGEN SENSOR 2/2 SIGNAL
4 K341 18PK/WT (4.7L) OXYGEN SENSOR 2/2 SIGNAL
PARK/NEUTRAL POSITION SWITCH (4.0L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 L1 18VT/BK BACK-UP LAMP FEED
2 T41 18BK/WT PARK/NEUTRAL POSITION SWITCH SENSE (T41)
3 F22 18WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
PARK/NEUTRAL POSITION SWITCH (DIESEL) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 L1 18VT/BK BACK-UP LAMP FEED
2 T41 18BR/YL PARK/NEUTRAL POSITION SWITCH SENSE (T41)
3 F22 18WT/TN FUSED IGNITION SWITCH OUTPUT (RUN)
PASSENGER AIRBAG - YELLOW 4 WAY
CAV CIRCUIT FUNCTION
1 R42 20BK/YL PASSENGER SQUIB 1 LINE 1
2 R44 20DG/YL PASSENGER SQUIB 1 LINE 2
3 R64 20TN/YL PASSENGER SQUIB 2 LINE 1
4 R62 20OR/YL PASSENGER SQUIB 2 LINE 2
PASSENGER BLEND DOOR MOTOR/ACTUATOR (LHD) (AZC) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
A C96 20WT/DB (LHD) PASSENGER BLEND DOOR DRIVER (B)
B C94 20WT/DG (LHD) PASSENGER BLEND DOOR DRIVER (A)
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 101

SEAT MODULE C2 (PREMIUM) - ORANGE 20 WAY
CAV CIRCUIT FUNCTION
1 F35 16RD FUSED B(+)
2 P131 16BK/OR (PREMIUM I/III) DRIVER SEAT HEATER B(+) DRIVER
3 Z1 16BK GROUND
4 P119 16YL/RD (PREMIUM II/III) SEAT FRONT UP DRIVER
5 P121 16RD/GY (PREMIUM II/III) SEAT FRONT DOWN DRIVER
6 P111 16YL/DB (PREMIUM II/III) SEAT REAR UP DRIVER
7 P113 16RD/BK (PREMIUM II/III) SEAT REAR DOWN DRIVER
8- -
9 P115 16GY/LG (PREMIUM II/III) SEAT HORIZONTAL FORWARD DRIVER
10 F35 16RD FUSED B(+)
11 P130 16DG/WT (PREMIUM I/III) PASSENGER SEAT HEATER B(+) DRIVER
12 Z1 16BK GROUND
13 - -
14 P9 20RD/LB (PREMIUM II/III) SEAT SWITCH B(+) SUPPLY
15 Z6 16BK/YL (PREMIUM I/III) GROUND
16 Z5 16BK/VT (PREMIUM I/III) GROUND
17 - -
18 P141 16GY/WT (PREMIUM II/III) SEAT RECLINER DOWN DRIVER
19 P143 16GY/LB (PREMIUM II/III) SEAT RECLINER UP DRIVER
20 P117 16RD/BR (PREMIUM II/III) SEAT HORIZONTAL REARWARD DRIVER
SENTRY KEY IMMOBILIZER MODULE - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 M1 20PK FUSED B(+)
2 Z132 20BK/OR GROUND
3 G5 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
4- -
5 D25 20YL/VT/BK PCI BUS
6- -
SHIFTER ASSEMBLY (C201 DIESEL) - WHITE 12 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3- -
4 K2 20WT/PK SECONDARY BRAKE SWITCH SIGNAL
5 D25 20RD PCI BUS
6- -
7 D21 20PK SCI TRANSMIT
8 F12 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
9 T2 20TN/BK BACK-UP LAMP RELAY CONTROL
10 Z234 20WT GROUND
11 T41 20BK/WT PARK/NEUTRAL POSITION SWITCH SENSE (T41)
12 F991 20OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 119

SHIFTER ASSEMBLY (GAS) - WHITE 6 WAY
CAV CIRCUIT FUNCTION
1 E2 20OR PANEL LAMPS DRIVER
2 Z234 18BK GROUND
3 T6 18OR/WT OVERDRIVE OFF SWITCH SENSE
4 Z300 18BK GROUND
5 F12 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
6 K29 18WT/PK SECONDARY BRAKE SWITCH SIGNAL
SHIFTER ASSEMBLY C1 (DIESEL) - BLACK 12 WAY
CAV CIRCUIT FUNCTION
1 F991 20OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
2 F991 20OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
3 F991 20OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
4 T2 20TN/BK BACK-UP LAMP RELAY CONTROL
5 D25 20OR PCI BUS
6 W0 20DB/WT SHIFTER C1 SENSE
7 W1 20VT/WT SHIFTER C2 SENSE
8 W2 20VT SHIFTER C3 SENSE
9 W3 20BK SHIFTER C4 SENSE
10 W4 20PK/OR SHIFTER C5 SENSE
11 Z234 20WT GROUND
12 Z234 20WT GROUND
SHIFTER ASSEMBLY C2 (DIESEL)-6WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3 F12 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
4 K2 20WT/PK SECONDARY BRAKE SWITCH SIGNAL
5 F991 20OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
6 Y1 20DB/PK PARK LOCKOUT SOLENOID CONTROL
SIREN (BUILT-UP-EXPORT)-3WAY
CAV CIRCUIT FUNCTION
1 Z141 18BK GROUND
2 X75 18GY/LB (DIESEL) SIREN SIGNAL CONTROL
2 X75 18GY/LG (GAS) SIREN SIGNAL CONTROL
3 M1 18PK FUSED B(+)
SPEED CONTROL SWITCH NO. 1 - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1- -
2 K4 20BK/LB SENSOR GROUND
3 V37 20RD/LG SPEED CONTROL SWITCH SIGNAL
4- -
8W - 80 - 120 8W-80 CONNECTOR PIN-OUTWJ

TRAILER TOW CONNECTOR - BLACK 10 WAY
CAV CIRCUIT FUNCTION
1- -
2 L62 14BR/RD RIGHT TURN SIGNAL
3 L1 18VT/BK BACK-UP LAMP FEED
4 F30 14RD/WT FUSED CIGAR LIGHTER RELAY OUTPUT
5 L7 18BK/YL PARK LAMP RELAY OUTPUT
6- -
7 B40 14LB TRAILER TOW BRAKE B(+)
8 Z150 14BK GROUND
9 Z150 14BK GROUND
10 L63 14DG/RD LEFT TURN SIGNAL
TRAILER TOW LEFT TURN RELAY - BLACK 5 WAY
CAV CIRCUIT FUNCTION
30 (3) L63 16DG/RD LEFT TURN SIGNAL
85 (2) L63 14DG/RD LEFT TURN SIGNAL
86 (1) Z150 18BK GROUND
87 (5) L94 14OR/WT TRAILER TOW BRAKE LAMP RELAY OUTPUT
87A (4) L95 14DG/YL TRAILER TOW BRAKE LAMP RELAY OUTPUT
TRAILER TOW RIGHT TURN RELAY - BLACK 5 WAY
CAV CIRCUIT FUNCTION
30 (3) L62 14BR/RD RIGHT TURN SIGNAL
85 (2) L62 20BR/RD RIGHT TURN SIGNAL
86 (1) Z150 18BK GROUND
87 (5) L94 14OR/WT TRAILER TOW BRAKE LAMP RELAY OUTPUT
87A (4) L95 14DG/YL TRAILER TOW BRAKE LAMP RELAY OUTPUT
TRANSFER CASE POSITION SENSOR - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K77 20BR/WT (DIESEL) TRANSFER CASE POSITION SENSOR SIGNAL
1 K77 18LG/BK (GAS) TRANSFER CASE POSITION SENSOR INPUT
2 K4 20BK/LB (DIESEL) SENSOR GROUND
2 K4 18BK/LB (GAS) SENSOR GROUND
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 123