2002 JEEP GRAND CHEROKEE 4.0

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

POWER CONNECTOR - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 F85 16VT/WT FUSED B(+)
2 Z234 16BK GROUND
POWERTRAIN CONTROL MODULE C1 (GAS) - BLACK 32 WAY
CAV CIRCUIT FUNCTION
1 K93 14TN/OR COIL DRIVER NO. 3
2 F991 18OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
3 K94 14TN/LG (4.7L) COIL DRIVER NO. 4
4 K4 18BK/LB SENSOR GROUND
5 K96 14TN/LB (4.7L) COIL DRIVER NO. 6
6 T41 18BK/WT PARK/NEUTRAL POSITION SWITCH SENSE (T41)
7 K91 14TN/RD COIL DRIVER NO. 1
8 K24 18GY/BK CRANKSHAFT POSITION SENSOR SIGNAL
9 K98 14LB/RD (4.7L) COIL DRIVER NO. 8
10 K60 18YL/BK IDLE AIR CONTROL NO. 2 DRIVER
11 K40 18BR/WT IDLE AIR CONTROL NO. 3 DRIVER
12 - -
13 - -
14 K77 18LG/BK TRANSFER CASE POSITION SENSOR INPUT
15 K21 18BK/RD INTAKE AIR TEMPERATURE SENSOR SIGNAL
16 K2 18TN/BK ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
17 K7 18OR 5 VOLT SUPPLY
18 K44 18TN/YL CAMSHAFT POSITION SENSOR SIGNAL
19 K39 18GY/BK IDLE AIR CONTROL NO. 1 DRIVER
20 K59 18VT/BK IDLE AIR CONTROL NO. 4 DRIVER
21 K95 14TN/DG (4.7L) COIL DRIVER NO. 5
22 A7 14RD/BK FUSED B(+)
23 K22 18OR/RD THROTTLE POSITION SENSOR SIGNAL
24 K41 18BK/DG OXYGEN SENSOR 1/1 SIGNAL
25 K141 18TN/WT OXYGEN SENSOR 1/2 SIGNAL
26 K241 18LG/RD (EXCEPT 4.0L
BUILT-UP-EXPORT)OXYGEN SENSOR 2/1 SIGNAL
27 K1 18DG/RD MAP SENSOR SIGNAL
28 - -
29 K341 18TN/WT (4.0L EXCEPT
BUILT-UP-EXPORT)OXYGEN SENSOR 2/2 SIGNAL
29 K341 18PK/WT (4.7L) OXYGEN SENSOR 2/2 SIGNAL
30 - -
31 Z82 14BK/WT GROUND
32 Z81 14BK/TN GROUND
8W - 80 - 108 8W-80 CONNECTOR PIN-OUTWJ

POWERTRAIN CONTROL MODULE C2 (GAS) - WHITE 32 WAY
CAV CIRCUIT FUNCTION
1 T54 18VT (4.0L) TRANSMISSION TEMPERATURE SENSOR SIGNAL
2 K26 18VT (4.7L) FUEL INJECTOR NO. 7 DRIVER
3- -
4 K11 18WT/DB FUEL INJECTOR NO. 1 DRIVER
5 K13 18YL/WT FUEL INJECTOR NO. 3 DRIVER
6 K38 18GY FUEL INJECTOR NO. 5 DRIVER
7 K97 14BR (4.7L) COIL DRIVER NO. 7
8 K88 18PK (4.0L) GOVERNOR PRESSURE SOLENOID CONTROL
9 K92 14TN/PK COIL DRIVER NO. 2
10 K20 18DG GENERATOR FIELD DRIVER
11 T20 18LB (4.0L) TORQUE CONVERTER CLUTCH SOLENOID CONTROL
12 K58 18BR/DB FUEL INJECTOR NO. 6 DRIVER
13 K28 18GY/LB (4.7L) FUEL INJECTOR NO. 8 DRIVER
14 - -
15 K12 18TN FUEL INJECTOR NO. 2 DRIVER
16 K14 18LB/BR FUEL INJECTOR NO. 4 DRIVER
17 K173 18LG RADIATOR FAN RELAY CONTROL
18 - -
19 C18 18DB A/C PRESSURE SIGNAL
20 - -
21 T60 18BR (4.0L) 3-4 SHIFT SOLENOID CONTROL
22 - -
23 G60 18GY/YL ENGINE OIL PRESSURE SENSOR SIGNAL
24 - -
25 T13 18DB/BK (4.0L) SPEED SENSOR GROUND
26 - -
27 B22 18DG/YL VEHICLE SPEED SENSOR SIGNAL
28 T14 18LG/WT (4.0L) OUTPUT SPEED SENSOR SIGNAL
29 T25 18LG/RD (4.0L) GOVERNOR PRESSURE SENSOR SIGNAL
30 K30 18PK/YL (4.0L) TRANSMISSION CONTROL RELAY CONTROL
31 K6 18VT/BK 5 VOLT SUPPLY
32 - -
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 109

POWERTRAIN CONTROL MODULE C3 (GAS) - GRAY 32 WAY
CAV CIRCUIT FUNCTION
1 C13 18DB/OR A/C COMPRESSOR CLUTCH RELAY CONTROL
2- -
3 K51 18DB/YL AUTO SHUT DOWN RELAY CONTROL
4 V36 18TN/RD SPEED CONTROL VACUUM SOLENOID CONTROL
5 V35 18LG/RD SPEED CONTROL VENT SOLENOID CONTROL
6- -
7 K42 18DB/LG (4.7L HIGH OUTPUT) KNOCK SENSOR NO. 1 SIGNAL
8 K99 18BR/OR OXYGEN SENSOR 1/1 HEATER CONTROL
9 K512 18RD/YL (EXCEPT 4.0L
BUILT-UP-EXPORT)OXYGEN SENSOR DOWNSTREAM RELAY CONTROL
10 K106 18WT/DG (EXCEPT
BUILT-UP-EXPORT)LEAK DETECTION PUMP SOLENOID CONTROL
11 V32 18OR/DG SPEED CONTROL SUPPLY
12 F42 18DG/LG FUSED AUTO SHUT DOWN RELAY OUTPUT
13 T10 18YL/DG (4.7L RHD) TORQUE MANAGEMENT REQUEST SENSE
13 T6 18OR/WT (4.0L LHD) OVERDRIVE OFF SWITCH SENSE
13 T10 18DG/LG (4.7L LHD) TORQUE MANAGEMENT REQUEST SENSE
13 T6 18OR/BK (4.0L RHD) OVERDRIVE OFF SWITCH SENSE
14 K107 18OR/PK (EXCEPT
BUILT-UP-EXPORT)LEAK DETECTION PUMP SWITCH SENSE
15 K25 18VT/LG BATTERY TEMPERATURE SENSOR SIGNAL
16 K299 18BR/WT OXYGEN SENSOR 1/2 HEATER CONTROL
17 - -
18 K142 18GY/BK (4.7L HIGH OUTPUT) KNOCK SENSOR NO. 2 SIGNAL
19 K31 18BR FUEL PUMP RELAY CONTROL
20 K52 18PK/BK DUTY CYCLE EVAP/PURGE SOLENOID CONTROL
21 - -
22 - -
23 - -
24 K29 18WT/PK SECONDARY BRAKE SWITCH SIGNAL
25 K125 18WT/DB GENERATOR SOURCE
26 K226 18LB/YL FUEL LEVEL SENSOR SIGNAL
27 D21 18PK SCI TRANSMIT
28 - -
29 D32 18LG (LHD) SCI RECEIVE
29 D32 18LG/DG (RHD) SCI RECEIVE
30 D25 18VT/YL PCI BUS
31 - -
32 V37 18RD/LG SPEED CONTROL SWITCH SIGNAL
RADIATOR FAN MOTOR - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 C23 12DG RADIATOR FAN RELAY OUTPUT
2 Z4 12BK/PK GROUND
8W - 80 - 110 8W-80 CONNECTOR PIN-OUTWJ

TEMPERATURE VALVE ACTUATOR (MTC) - BLACK 6 WAY
CAV CIRCUIT FUNCTION
5- -
6- -
7 Z132 20BK/OR GROUND
8 C67 20RD/LB BLEND AIR DOOR POSITION CONTROL
9- -
10 F22 20WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
THROTTLE POSITION SENSOR (4.0L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K7 18OR 5 VOLT SUPPLY
2 K4 18BK/LB SENSOR GROUND
3 K22 18OR/RD THROTTLE POSITION SENSOR SIGNAL
THROTTLE POSITION SENSOR (4.7L)-3WAY
CAV CIRCUIT FUNCTION
1 K7 18OR 5 VOLT SUPPLY
2 K22 18OR/RD THROTTLE POSITION SENSOR SIGNAL
3 K4 18BK/LB SENSOR GROUND
TRAILER TOW BRAKE LAMP RELAY - BLACK 5 WAY
CAV CIRCUIT FUNCTION
30 (3) F9 14RD/BK FUSED B(+)
85 (2) L50 18WT/TN PRIMARY BRAKE SWITCH SIGNAL
86 (1) Z150 18BK GROUND
87 (5) L95 14DG/YL TRAILER TOW BRAKE LAMP RELAY OUTPUT
87A
(4)L94 14OR/WT TRAILER TOW BRAKE LAMP RELAY OUTPUT
TRAILER TOW CIRCUIT BREAKER - BLACK 2 WAY
CAV CIRCUIT FUNCTION
A F30 14RD/WT FUSED CIGAR LIGHTER RELAY OUTPUT
B F30 14RD/TN CIGAR LIGHTER RELAY OUTPUT
8W - 80 - 122 8W-80 CONNECTOR PIN-OUTWJ

TRANSMISSION CONTROL MODULE C1 (DIESEL) - BLACK 18 WAY
CAV CIRCUIT FUNCTION
1 D21 20PK SCI TRANSMIT
2- -
3 W4 20PK/OR SHIFTER C5 SENSE
4 Y1 20DB/PK PARK LOCKOUT SOLENOID CONTROL
5- -
6- -
7 T41 20BK/WT PARK/NEUTRAL POSITION SWITCH SENSE (T41)
8- -
9- -
10 - -
23 - -
24 - -
25 W0 20DB/WT SHIFTER C1 SENSE
26 W1 20VT/WT SHIFTER C2 SENSE
27 W2 20VT SHIFTER C3 SENSE
28 W3 20BK SHIFTER C4 SENSE
29 F991 20OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
30 Z234 20WT GROUND
TRANSMISSION CONTROL MODULE C2 (DIESEL) - BLACK 14 WAY
CAV CIRCUIT FUNCTION
12 T52 18RD/BK N2 INPUT SPEED SENSOR
13 T39 18GY/LB SENSOR SUPPLY VOLTAGE
14 T60 18BR 1-2/4-5 SOLENOID CONTROL
15 T159 18DG/WT 3-4 SOLENOID CONTROL
16 T119 18WT/DB 2-3 SOLENOID CONTROL
17 T120 18LG TCC SOLENOID CONTROL
33 T13 18DB/BK SENSOR GROUND
34 T54 18VT TEMP SENSOR - P/N SWITCH
35 T14 18LG/WT N3 INPUT SPEED SENSOR
36 T591 18YL/DB MODULATION PRESSURE SOLENOID CONTROL
37 T118 18YL/DB SHIFT PRESSURE SOLENOID CONTROL
38 T16 18RD SOLENOID SUPPLY VOLTAGE
H1 D52 18LG/WT CAN C BUS(+)
L2 D51 18DG/WT CAN C BUS(-)
TRANSMISSION SOLENOID (4.0L) - BLACK 8 WAY
CAV CIRCUIT FUNCTION
1 T15 18LG FUSED TRANSMISSION CONTROL RELAY OUTPUT
2 K6 18VT/BK 5 VOLT SUPPLY
3 K4 18BK/LB SENSOR GROUND
4 T25 18LG/RD GOVERNOR PRESSURE SENSOR SIGNAL
5 K88 18PK GOVERNOR PRESSURE SOLENOID CONTROL
6 T60 18BR 3-4 SHIFT SOLENOID CONTROL
7 T20 18LB TORQUE CONVERTER CLUTCH SOLENOID CONTROL
8 T54 18VT TRANSMISSION TEMPERATURE SENSOR SIGNAL
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 125

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.
C303 WT Right Rear Door 29, 34, 36
C304 BK Under Driver Seat 33, 36
C306 BK Under Passenger Seat 34, 35
C307 WT Left Rear Door 28, 33 35
C308 WT Top of Liftgate 37, 38
C309 WT Left Rear Quarter Pillar 37
C310 (Built-Up-Export) LT GY Above Left Quarter Wheel Housing 37, 39
C310 (Except Built-Up-Export) LT GN Above Left Quarter Wheel Housing 39
C311 WT Top of Liftgate 38
C312 Center of Liftgate 38
C313 WT In Driver Door 24, 25
C314 LT GY At Passenger Door 26, 27, 31
C315 To Rear of Right Quarter Window 32
C318 At C Post 33, 36
Camshaft Position Sensor
(Diesel)BK Top of Engine N/S
Camshaft Position Sensor
(Gas)GY Right Side of Engine 10, 11, 14, 15
Capacitor (4.0L) BK Right Rear of Engine 10
Capacitor NO. 1 (4.7L) BK Right Side of Engine 14, 15
Capacitor NO. 2 (4.7L) BK Left Side of Engine 13
Cargo Lamp WT In Headliner Near Liftgate N/S
Center High Mounted Stop
LampBK Top of Liftgate N/S
Cigar Lighter RD Center of Instrument Panel 19, 20
Clockspring - C1 BK At Steering Column 23
Clockspring - C2 At Steering Column 23
Clockspring - C3 GY At Steering Column 23
Clockspring - C4 BK At Steering Column N/S
Coil On Plug NO. 1 (4.7L) BK Left Side of Engine Near Fuel
Injector No.113
Coil On Plug NO. 2 (4.7L) BK Right Side of Engine Near Fuel
Injector No.214, 15
Coil On Plug NO. 3 (4.7L) BK Left Side of Engine Near Fuel
Injector No.313
Coil On Plug NO. 4 (4.7L) BK Right Side of Engine Near Fuel
Injector No.414, 15
Coil On Plug NO. 5 (4.7L) BK Left Side of Engine Near Fuel
Injector No.513
Coil On Plug NO. 6 (4.7L) BK Right Side of Engine Near Fuel
Injector No.614, 15
Coil On Plug NO. 7 (4.7L) BK Left Side of Engine Near Fuel
Injector No.713
WJ8W-91 CONNECTOR/GROUND/SPLICE LOCATION 8W - 91 - 3
CONNECTOR/GROUND/SPLICE LOCATION (Continued)