23 body JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual

C309 - WHITE (LEFT BODY SIDE)
CAV CIRCUIT
1 D25 20YL/VT
2 M20 18YL/BK (RHD)
2 M20 20YL/BK (LHD)
3 M2 18YL (RHD)
3 M2 20YL/DG (LHD)
4 P112 20YL/WT
5 P114 20YL/RD
6 L1 20VT/BK
7 G5 20DB/WT
8 X75 20GY/LG (BUILT-UP-EXPORT)
9-
10 F70 20PK (LHD)
10 F70 18PK (RHD)
11 Q30 16TN
12 Z150 16BK
13 -
14 Z155 20BK/OR (EXCEPT LHD BASE)
14 Z155 18BK/OR (RHD/LHD BASE)
15 G73 20LG/OR
C310 (BUILT-UP-EXPORT) - LT.GRAY (TRAILER TOW SIDE)
CAV CIRCUIT
1 F9 14RD/BK
2 L62 20BR/RD
3 L1 18VT/BK
4 F30 14RD/TN
5 L7 18BK/YL
6 Z150 14RD/BK
7 B40 14LB
8 Z150 14BK
9 L50 18WT/TN
10 L63 20DG/RD
11 Z1 14BK
12 -
13 -
14 -
C310 (BUILT-UP-EXPORT) - LT.GRAY (BODY SIDE)
CAV CIRCUIT
1 F9 14RD/BK
2 L62 18BR/RD (LHD)
2 L62 20BR/RD (RHD)
3 L1 18VT/BK
4 F30 14RD/TN
5 L7 18BK/YL
6 L95 18DG/YL
7 B40 14LB
8 Z150 14BK
9 L50 16WT/TN (RHD)
9 L50 18WT/TN (LHD)
10 L63 20DG/RD
11 Z150 14BK
12 -
13 -
14 -
8W - 80 - 54 8W-80 CONNECTOR PIN-OUTWJ

C310 (EXCEPT BUILT-UP-EXPORT) - LT. GREEN
(TRAILER TOW SIDE)
CAV CIRCUIT
1 F9 14RD/BK
2 L62 20BR/RD
3 L1 18VT/BK
4 F30 14RD/TN
5 L7 18BK/YL
6 Z150 14RD/BK
7 B40 14LB
8 Z150 14BK
9 L50 18WT/TN
10 L63 20DG/RD
C310 (EXCEPT BUILT-UP-EXPORT) - LT. GREEN
(LEFT BODY SIDE)
CAV CIRCUIT
1 F9 14RD/BK
2 L62 18BR/RD
3 L1 18VT/BK
4 F30 14RD/TN
5 L7 18BK/YL
6 Z150 14BK
7 B40 14LB
8 Z150 14BK
9 L50 18WT/TN
10 L63 20DG/RD
C311 - WHITE (LIFTGATE SIDE)
CAV CIRCUIT
1 L50 18WT/TN
2 Z1 18BK
C311 - WHITE (CHMSL SIDE)
CAV CIRCUIT
1 L50 18WT/TN
2 Z1 18BK
C312 - WHTE (LIFTGATE SIDE)
CAV CIRCUIT
1 Z1 18BK
2 L7 18BK/YL
3 P101 18OR/PK
4 F70 18PK
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 55

C312 - WHITE (LICENSE PLATE LAMP SIDE)
CAV CIRCUIT
1 Z1 18BK
2 L7 18BK/YL
3 P101 18OR/PK
4 F70 18PK
C313 - WHITE (FRONT DRIVER DOOR SIDE)
CAV CIRCUIT
1 P112 20YL/WT
2 P114 20YL/RD
C313 - WHITE (MUX JUMPER SIDE)
CAV CIRCUIT
1 P112 20YL/WT
2 P114 20YL/RD
C314 - LT. GRAY (BODY SIDE)
CAV CIRCUIT
1 D25 20YL/VT
2 A146 12OR/WT
3 P35 18OR/VT
4 P36 18PK/VT
5 Z28 12BK (LHD)
5 Z243 12BK (RHD)
6 Q14 16GY
7 Q24 16DG
8 E20 20OR/DB
9 X56 18DB/PK (BASE LHD)
9 X80 18LB/BK (PREMIUM LHD)
9 X85 18LG/DG (RHD)
10 X54 18VT (BASE)
10 X87 18LG/RD (RHD)
10 X82 18LB/RD (PREMIUM)
11 -
12 -
13 -
14 -
8W - 80 - 56 8W-80 CONNECTOR PIN-OUTWJ

C316 (EXCEPT BUILT-UP-EXPORT) - (PEDAL
SIDE)
CAV CIRCUIT
1 Y153 16DB/RD
2 L1 18WT/BR
3 F72 16RD/YL
4 D25 20VT/YL
5 Y151 20LG/BR
6 Z155 20BK/OR
7 Y152 20LG/OR
8 Z151 16BK
C316 (EXCEPT BUILT-UP-EXPORT) - (BODY
SIDE)
CAV CIRCUIT
1 Y153 20DB/RD
2 L1 18VT/BK
3 F72 16RD/YL
4 D25 20YL/VT
5 Y151 20LG/BR
6 Z155 18BK/OR
7 Y152 20LG/OR
8 Z151 18BK
C317 - (OVERHEAD SIDE)
CAV CIRCUIT
1 Z155 20BK/OR
2-
3 X75 20GY/LG
4-
5 D25 20YL/VT
6 F70 20PK
C317 - (INTRUSION TRANSCEIVER MODULE
SIDE)
CAV CIRCUIT
1 Z155 20BK
2-
3 X75 20GY/LG
4-
5 D25 20YL/VT
6 F70 20PK
C318 - (LEFT BODY SIDE (LHD)/ RIGHT BODY
SIDE (RHD))
CAV CIRCUIT
1 R73 20LB/BR
2 R75 20LB/OR
8W - 80 - 58 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

CRANKSHAFT POSITION SENSOR (DIESEL) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K924 20YL CRANKSHAFT POSITION SENSOR SIGNAL 2
2 K3 20BK CRANKSHAFT POSITION SENSOR SIGNAL 1
CRANKSHAFT POSITION SENSOR (GAS) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K24 18GY/BK CRANKSHAFT POSITION SENSOR SIGNAL
2 K4 18BK/LB SENSOR GROUND
3 K7 18OR 5 VOLT SUPPLY
DATA LINK CONNECTOR - BLACK 16 WAY
CAV CIRCUIT FUNCTION
1- -
2 D25 20YL/VT PCI BUS
3- -
4 Z305 20BK/OR GROUND
5 Z306 20BK/LG GROUND
6 D32 20LG/DG SCI RECEIVE
7 D21 20PK SCI TRANSMIT
8- -
9 D19 20VT/OR BODY CONTROL MODULE FLASH ENABLE
10 - -
11 - -
12 - -
13 - -
14 D20 20LG SCI RECEIVE
15 - -
16 F33 20PK/RD FUSED B(+)
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 65

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

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Blower Motor Controller (AZC) BK Behind Right Hand Side of
Instrument PanelN/S
Blower Motor Resistor Block
(MTC)BK Behind Right Hand Side of
Instrument PanelN/S
Body Control Module - C1 GY Lower Left Side of Instrument Panel 21, 22
Body Control Module-C2 -LHD WT Lower Left Side of Instrument Panel 21
Body Control Module-C2 -
RHDGY Lower Left Side of Instrument Panel 22
Boost Pressure Sensor
(Diesel)BK Top Front of Engine N/S
Brake Lamp Switch GY Brake Pedal Arm 31
C100 BK Right Front Engine Compartment 2, 5
C101 (4.0L RHD) LTGY Rear of Engine Compartment 15
C101 (4.7L RHD) BK Rear of Engine Compartment N/S
C102 (Diesel) BK Left Rear Engine Compartment 4, 7
C102 (Gas) BK Right Rear Engine Compartment 5, 10, 11, 14, 15, 18
C103 (Diesel) LTGY Rear of Engine 4, 7
C103 (Gas) GY Right Rear Engine Compartment 5, 10 11, 14, 15
C104 LTGY Right Rear Engine Compartment 14 18
C105 (Diesel) GY Right Rear Engine Compartment 4, 7, 8
C106 (Diesel) GY Lower Right Instrument Panel N/S
C106 (Gas RHD) GY Lower Right Instrument Panel N/S
C107 (Diesel) GY Left Rear Engine Compartment 4
C107 (LHD) BK Passenger Side Near Kick Panel 3, 30, 35
C107 (RHD) GY Passenger Side Near Kick Panel 3, 31
C108 BK Left Cowl 3, 4
C109 BK Near Transfer Case switch 12
C110 (Diesel) GY Top of Engine Near Glow Plugs 4, 7
C111 BK Left Front Frame Near Windshield
Washer Pump1, 3, 4
C112 BK Right Front Frame Near Horns 1, 5
C113 (Diesel) LTGY Rear of Engine 7, 8
C200 - LHD GY Passenger Side Near Kick Panel 19, 21, 35
C200 - RHD BK Passenger Side Near Kick Panel 20, 22
C201) WT Below Center Floor Console, Near
Park Brake19, 20, 21, 22
C202 WT HVAC Unit, Right Side of Instrument
Panel19, 20, 21, 22
C203 (AZC) WT HVAC Unit, Right Side of Instrument
Panel19, 20, 21, 22
C300 (LHD) GY Near Junction Block 30, 33
C301 (RHD) BK Near Junction Block 31
C302 BK At Driver Door 24, 25, 30, 31
8W - 91 - 2 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONWJ
CONNECTOR/GROUND/SPLICE LOCATION (Continued)

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Fuel Pump Module (Gas) BK Near Fuel Tank 33, 35
Fuel Tank Module Diesel) BK Near Fuel Tank 33, 35
Generator (Diesel) LTGY At Generator 8
Generator (Gas) BK At Generator N/S
Glove Box Lamp BK Inside Glove Box 19, 20, 22
Headlamp Leveling Switch
(Built-Up-Export)WT Driver Side of Instrument Panel 20
Hood Ajar Switch BK Left Side of Engine Compartment 3, 4
Horn No.1 BK Right Front Fascia 5
Horn No.2 BK Right Front Fascia 5
Hydraulic Cooling Module BK Right Front of Engine Compartment 5
Idle Air Control Motor BK Left Side of Engine Near Throttle
Body13
Ignition Switch - C1 WT On Steering Column 23
Ignition Switch - C2 BK On Steering Column 23
Input Speed Sensor (4.7L) BK Left Side of Transmission 16
Instrument Cluster WT At Instrument Cluster 19, 20
Intake Air Temperature Sensor
(Gas)GY Left Side of Engine 9, 13
Intake Air Temperature Sensor
(Diesel)BK Near T/O for Crankcase Heater 8
Intake Port Swirl Actuator
(Diesel)BK Right Rear of Engine Compartment N/S
Intrusion Transceiver Module
(Built-up-Export)BK In The Overhead N/S
Junction Block - C1 BK At Junction Block 30, 31, 33
Junction Block - C2 BK At Junction Block 30, 31
Junction Block - C3 BK At Junction Block 21, 22, 30
Junction Block - C4 WT At Junction Block 30, 31
Junction Block - C5 WT At Junction Block 30, 31
Knock Sensor (4.7L High
Output)BK Right Rear Side of Engine, Near
Coil on Plug No.8N/S
Leak Detection Pump (Except
Built-Up-Export)Left Front Wheel Opening 3
Left Courtesy Lamp BK Left Side of Instrument Panel 21 22, 23
Left Curtain Airbag BK Near Left C Pillar 37
Left Door Handle Courtesy
LampBK At Lamp N/S
Left Fog Lamp BK At Lamp 3, 4
Left Front Door Speaker WT In Left Front Door 24, 27
Left Front Impact Sensor BK Left Front Frame Near Windshield
Washer Pump3, 4
Left Front Park Lamp WT At Lamp N/S
8W - 91 - 6 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONWJ
CONNECTOR/GROUND/SPLICE LOCATION (Continued)