3.7 v6 JEEP LIBERTY 2002 KJ / 1.G Repair Manual

FUEL INJECTOR NO. 5 (3.7L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 F142 18OR/DG FUSED AUTO SHUT DOWN RELAY OUTPUT
2 K38 18GY FUEL INJECTOR NO. 5 DRIVER
FUEL INJECTOR NO. 6 (3.7L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 F142 18OR/DG FUSED AUTO SHUT DOWN RELAY OUTPUT
2 K58 18BR/DB FUEL INJECTOR NO. 6 DRIVER
FUEL PRESSURE SENSOR (DIESEL) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K80 20BK/VT FUEL PRESSURE SENSOR GROUND
2 K78 20GY FUEL PRESSURE SENSOR SIGNAL
3 K7 20OR FUEL PRESSURE SENSOR 5 VOLT SUPPLY
FUEL PRESSURE SOLENOID (DIESEL) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
2 K46 18OR/BK FUEL PRESSURE SOLENOID CONTROL
FUEL PUMP MODULE - LT. GRAY 4 WAY
CAV CIRCUIT FUNCTION
1 Z211 16BK (GAS) GROUND
2 K4 18BK/LB SENSOR GROUND
3 K226 18DB/WT FUEL LEVEL SENSOR SIGNAL
4 A141 16DG/WT (GAS) FUEL PUMP RELAY OUTPUT
G 202 - BLACK 14 WAY
CAV CIRCUIT FUNCTION
1 Z12 16BK/TN GROUND
2 Z3 18BK/OR (BASE) GROUND
2 Z3 14BK/OR (EXCEPT BASE) GROUND
3 Z11 20BK/WT (EXCEPT BASE) GROUND
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-61

IDLE AIR CONTROL MOTOR - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 K59 18VT/BK IDLE AIR CONTROL MOTOR NO. 4 DRIVER
2 K40 18BR/WT IDLE AIR CONTROL MOTOR NO. 1 DRIVER
3 K60 18YL/BK IDLE AIR CONTROL MOTOR NO. 2 DRIVER
4 K39 18GY/RD IDLE AIR CONTROL MOTOR NO. 3 DRIVER
IGNITION SWITCH - BLACK 10 WAY
CAV CIRCUIT FUNCTION
1 A1 12RD FUSED (+)
2 A21 12RD/DB IGNITION SWITCH OUTPUT (RUN-START)
3 F81 12TN IGNITION SWITCH OUTPUT (RUN-ACC)
4 A25 12DB FUSED B(+)
5 G26 20LB KEY-IN IGNITION SWITCH SENSE
6 A41 12YL IGNITION SWITCH OUTPUT (START)
7 A31 12BK/WT IGNITION SWITCH OUTPUT (RUN-ACC)
8 A22 12BK/OR IGNITION SWITCH OUTPUT (RUN)
9 A2 12PK/BK FUSED B (+)
10 Z232 16BK/LB GROUND
INPUT SPEED SENSOR (3.7L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 T52 18RD/BK INPUT SPEED SENSOR SIGNAL
2 T13 18DB/BK SPEED SENSOR GROUND
INSTRUMENT CLUSTER - BLACK 20 WAY
CAV CIRCUIT FUNCTION
1 Z105 20BK/LG GROUND
2- -
3 Y98 20GY/DB INSTRUMENT CLUSTER WAKE UP SIGNAL
4- -
5 G18 20PK/BK LOW COOLANT FLUID LEVEL SENSE
6 L63 20DG/RD LEFT TURN SIGNAL
7 G9 20GY/BK PARK BRAKE SWITCH SENSE
8 G69 20BK/OR VTSS INDICATOR DRIVER
9- -
10 M1 20PK FUSED B(+)
11 L78 20DG/YL FUSED PARK LAMP RELAY OUTPUT
12 E2 20OR FUSED PANEL LAMPS DIMMER SWITCH SIGNAL
13 - -
14 D25 20YL/VT/RD PCI BUS
15 - -
8Wa - 80 - 64 8W-80 CONNECTOR PIN-OUTSKJ

KNOCK SENSOR (3.7L) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
2 K42 18DB/LB KNOCK SENSOR NO. 1 SIGNAL
3 K4 18BK/LB SENSOR GROUND
4 K142 18GY/BK KNOCK SENSOR NO. 2 SIGNAL
LEAK DETECTION PUMP - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1- -
2 K125 18WT/DB GENERATOR SOURCE
3 K106 18WT/DG LEAK DETECTION PUMP SOLENOID CONTROL
4 K107 18OR LEAK DETECTION PUMP SWITCH SENSE
LEFT COURTESY LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 M1 20PK FUSED B(+)
2 M2 20YL COURTESY LAMP DRIVER
LEFT CURTAIN AIRBAG - YELLOW 2 WAY
CAV CIRCUIT FUNCTION
1 R77 18YL/RD LEFT CURTAIN SQUIB LINE 2
2 R75 18YL/BK LEFT CURTAIN SQUIB LINE 1
LEFT CYLINDER LOCK SWITCH (EXCEPT BASE) - LT. GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 P37 18LG DOOR LOCK SWITCH GROUND
2 G73 18LG/OR (LHD) LEFT CYLINDER LOCK SWITCH MUX
2 G72 18DG/OR (RHD) LEFT CYLINDER LOCK SWITCH MUX
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-69

LICENSE LAMP (BUILT-UP-EXPORT)-2WAY
CAV CIRCUIT FUNCTION
1 L77 18BK/YL FUSED LEFT INBOARD TAIL LAMP
2 Z235 18BK GROUND
LICENSE LAMP (EXCEPT BUILT-UP-EXPORT) - LT. GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 L77 18BR/YL FUSED PARK LAMP RELAY OUTPUT
2 Z151 18BK/WT GROUND
LINE PRESSURE SENSOR (3.7L) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 Z112 18BK GROUND
2 T39 18GY/LB 5 VOLT SUPPLY
3 T38 18VT/TN LINE PRESSURE SENSOR SIGNAL
4- -
LOW NOTE HORN - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 X2 18DG/RD HORN RELAY OUTPUT
2 Z141 18BK GROUND
MANIFOLD ABSOLUTE PRESSURE SENSOR - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K1 18DG/RD MANIFOLD ABOLUTE PRESSURE SENSOR SIGNAL
2 K4 18BK/LB SENSOR GROUND
3 K7 18OR 5 VOLT SUPPLY
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-77

MULTI-FUNCTION SWITCH C1 - GRAY 10 WAY
CAV CIRCUIT FUNCTION
1 E21 20OR/RD PANEL LAMPS DIMMER SWITCH MUX
2 L27 20WT/TN (EXCEPT BASE) FRONT FOG LAMP SWITCH SENSE
3- -
4 L80 20WT/DG HEADLAMP SWITCH RETURN
5 L307 20LG/OR HEADLAMP SWITCH MUX
6 L305 20LB/WT LEFT TURN SWITCH SENSE
7 L309 20LG/WT HIGH BEAM RELAY CONTROL
8 Z12 18BK/TN GROUND
9 L324 20WT/LG HIGH BEAM SWITCH SENSE
10 L302 20LB/YL RIGHT TURN SWITCH SENSE
MULTI-FUNCTION SWITCH C2 - GRAY 8 WAY
CAV CIRCUIT FUNCTION
1 V21 20DB/RD REAR WIPER ON DRIVER
2 V22 20BR/YL REAR WIPER INTERMITTENT DRIVER
3 V20 18BK/WT WASHER MOTOR SENSE
4 V52 20DG/RD FRONT WIPER SWITCH MUX
5 F88 20BR/RD FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
6- -
7 V10 18BR WASHER PUMP DRIVER
8- -
OUTPUT SPEED SENSOR (3.7L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 T14 18LG/WT OUTPUT SPEED SENSOR SIGNAL
2 T13 18DB/BK SPEED SENSOR GROUND
OVERHEAD MAP/READING LAMP (EXCEPT BASE) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 M1 20PK FUSED B(+)
2 M2 20YL REAR COURTESY LAMP CONTROL
3 M20 20BR COURTESY LAMPS LOAD SHEED
8Wa - 80 - 78 8W-80 CONNECTOR PIN-OUTSKJ

OXYGEN SENSOR 1/1 UPSTREAM - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 A71 18DG/RD FUSED AUTO SHUT DOWN RELAY OUTPUT
2 K99 18BR/OR OXYGEN SENSOR 1/1 HEATER CONTROL
3 K4 18BK/LB SENSOR GROUND
4 K41 18BK/DG OXYGEN SENSOR 1/1 SIGNAL
OXYGEN SENSOR 1/2 DOWNSTREAM - NATURAL 4 WAY
CAV CIRCUIT FUNCTION
1 A71 18DG/RD (2.4L) FUSED AUTO SHUT DOWN RELAY OUTPUT
1 F18 18LG/BK (3.7L) OXYGEN SENSOR DOWNSTREAM RELAY
2 K299 18BR/WT (2.4L) OXYGEN SENSOR 1/2 HEATER CONTROL
2 Z186 18BK/OR (3.7L) GROUND
3 K4 18BK/LB SENSOR GROUND
4 K141 18TN/WT OXYGEN SENSOR 1/2 SIGNAL
OXYGEN SENSOR 2/1 UPSTREAM (3.7L) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 A71 18DG/RD FUSED AUTO SHUT DOWN RELAY OUTPUT
2 K299 18BR/WT OXYGEN SENSOR 2/1 HEATER CONTROL
3 K4 18BK/LB SENSOR GROUND
4 K241 18LG/RD OXYGEN SENSOR 2/1 SIGNAL
OXYGEN SENSOR 2/2 DOWNSTREAM (3.7L) - NATURAL 4 WAY
CAV CIRCUIT FUNCTION
1 F18 18LG/BK OXYGEN SENSOR DOWNSTREAM RELAY OUTPUT
2 Z186 18BK/OR GROUND
3 K4 18BK/LB SENSOR GROUND
4 K341 18TN/WT OXYGEN SENSOR 2/2 SIGNAL
PASSENGER AIRBAG - YELLOW 4 WAY
CAV CIRCUIT FUNCTION
1 R62 18OR/YL PASSENGER SQUIB 2 LINE 2
2 R64 18TN/YL PASSENGER SQUIB 2 LINE 1
3 R42 18BK/YL PASSENGER SQUIB 1 LINE 1
4 R44 18DG/YL PASSENGER SQUIB 1 LINE 2
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-79

POWERTRAIN CONTROL MODULE-C1 (3.7L) - BLACK 32 WAY
CAV CIRCUIT FUNCTION
1 K93 14TN/OR COIL ON PLUG DRIVER NO. 3
2 F1 18DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
3 K94 14TN/LG COIL ON PLUG DRIVER NO. 4
4 K4 18BK/LB SENSOR GROUND
5 K96 14TN/LB COIL ON PLUG DRIVER NO. 6
6 T41 18BK/WT (A/T) PARK/NEUTRAL POSITION SWITCH SENSE
7 K91 14TN/RD COIL ON PLUG DRIVER NO.1
8 K24 18GY/BK CRANKSHAFT POSITION SENSOR SIGNAL
9- -
10 K60 18YL/BK IDLE AIR CONTROL NO. 2 DRIVER
11 K40 18BR/WT IDLE AIR CONTROL NO. 1 DRIVER
12 K10 18DB/OR POWER STEERING PRESSURE SWITCH SENSE
13 T141 18 YL/RD (M/T) FUSED IGNITION SWITCH OUTPUT (START)
13 F45 18YL/BR (A/T) FUSED IGNITION SWITCH OUTPUT (START)
14 K77 18BR/WT 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/RD IDLE AIR CONTROL NO. 3 DRIVER
20 K59 18VT/BK IDLE AIR CONTROL NO. 4 DRIVER
21 K95 14TN/DG COIL ON PLUG DRIVER NO. 5
22 A14 16RD/WT FUSED B(+)
23 K22 18OR/DB 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 OXYGEN SENSOR 2/1 SIGNAL
27 K1 18DG/RD MANIFOLD ABOLUTE PRESSURE SENSOR SIGNAL
28 - -
29 K341 18TN/WT OXYGEN SENSOR 2/2 SIGNAL
30 - -
31 Z107 14BK/DB GROUND
32 Z107 14BK/DB GROUND
POWERTRAIN CONTROL MODULE-C2 (GAS) - WHITE 32 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3- -
4 K11 18WT/DB FUEL INJECTOR NO. 1 DRIVER
5 K13 18YL/WT FUEL INJECTOR NO. 3 DRIVER
6 K38 18GY (3.7L) FUEL INJECTOR NO. 5 DRIVER
7- -
8- -
9 K92 14TN/PK (3.7L) COIL ON PLUG DRIVER NO. 2
9 K17 18DB/TN (2.4L) IGNITION COIL NO. 2 DRIVER
10 K20 18DG GENERATOR FIELD
11 - -
12 K58 18BR/DB (3.7L) FUEL INJECTOR NO. 6 DRIVER
8Wa - 80 - 82 8W-80 CONNECTOR PIN-OUTSKJ

POWERTRAIN CONTROL MODULE-C2 (GAS) - WHITE 32 WAY
CAV CIRCUIT FUNCTION
13 - -
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 - -
22 - -
23 G60 18GY/YL ENGINE OIL PRESSURE SENSOR SIGNAL
24 - -
25 - -
26 - -
27 - -
28 - -
29 - -
30 - -
31 K6 18VT/WT 5 VOLT SUPPLY
32 - -
POWERTRAIN CONTROL MODULE-C3 (GAS) - LT. GRAY 32 WAY
CAV CIRCUIT FUNCTION
1 C13 18DG 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 K90 18TN (M/T) CLUTCH INTERLOCK RELAY CONTROL
7 K42 18DB/LB (3.7L) KNOCK SENSOR NO. 1 SIGNAL
7 K42 18DB/LB (2.4L) NOT USED
8 K99 18BR/OR OXYGEN SENSOR 1/1 HEATER CONTROL
9 K512 18RD/YL OXYGEN SENSOR DOWNSTEAM RELAY CONTROL
10 K106 18WT/DG LEAK DETECTION PUMP SOLENOID CONTROL
11 V32 18YL/RD SPEED CONTROL SUPPLY
12 F142 18OR/DG FUSED AUTO SHUT DOWN RELAY SENSE INPUT
13 T10 18YL/DG TORQUE MANAGEMENT REQUEST SENSE
14 K107 18OR LEAK DETECTION PUMP SWITCH SENSE
15 K118 18PK/YL BATTERY TEMPERATURE SENSOR SIGNAL
16 K299 18BR/WT (2.4L) OXYGEN SENSOR 1/2 HEATER CONTROL
16 K299 18BR/WT (3.7L) OXYGEN SENSOR 2/1 HEATER CONTROL
17 B22 18DG/YL VEHICLE SPEED OUTPUT
18 K142 18GY/BK (2.4L) NOT USED
18 K142 18GY/BK (3.7L) KNOCK SENSOR NO. 2 SIGNAL
19 K31 18BR FUEL PUMP RELAY CONTROL
20 K52 18PK/BK EVAP PURGE/SOLENOID CONTROL
21 - -
22 C21 18DB/OR A/C SWITCH SENSE
23 - -
24 K29 18WT/PK BRAKE LAMP SWITCH SENSE
25 K125 18WT/DB GENERATOR SOURCE
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-83

TRANSMISSION CONTROL MODULE (3.7L) - BLACK 60 WAY
CAV CIRCUIT FUNCTION
1 T1 18LG/BK TRS T1 SENSE
2 T4 18PK/OR TRS T2 SENSE
3 T3 18VT TRS T3 SENSE
4- -
5- -
6 K24 18GY/BK CRANKSHAFT POSITION SENSOR SIGNAL
7 D21 18PK SCI TRANSMIT
8 F45 18YL/BR FUSED IGNITION SWITCH OUTPUT (START)
9 T9 18OR/BK OVERDRIVE PRESSURE SWITCH SENSE
10 T10 18YL/DG TORQUE MANAGEMENT REQUEST SENSE
11 F1 18DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
12 K22 18OR/DB THROTTLE POSITION SENSOR SIGNAL
13 T13 18DB/BK SPEED SENSOR GROUND
14 T14 18LG/WT OUTPUT SPEED SENSOR SIGNAL
15 K30 18PK TRANSMISSION CONTROL RELAY CONTROL
16 T16 14RD TRANSMISSION CONTROL RELAY OUTPUT
17 T16 14RD TRANSMISSION CONTROL RELAY OUTPUT
18 T591 18YL/DB PRESSURE CONTROL SOLENOID CONTROL
19 T119 18WT/DB 2C SOLENOID CONTROL
20 T20 18LB LOW/REVERSE SOLENOID CONTROL
21 - -
22 - -
23 - -
24 - -
25 - -
26 - -
27 - -
28 - -
29 T29 18GY UNDERDRIVE PRESSURE SWITCH SENSE
30 T38 18VT/TN LINE PRESSURE SENSOR SIGNAL
31 - -
32 - -
33 - -
34 - -
35 - -
36 T16 14RD TRANSMISSION CONTROL RELAY OUTPUT
37 Z113 14BK/YL GROUND
38 T39 18GY/LB 5 VOLT SUPPLY
39 Z113 14BK/YL GROUND
40 T140 18VT/LG MS SOLENOID CONTROL
41 T411 18WT/PK TRS T41 SENSE
42 T42 18VT/WT TRS T42 SENSE
43 D25 18VT/YL PCI BUS
44 - -
45 - -
46 D20 18LG SCI RECEIVE
47 T147 18LB 2C PRESSURE SWITCH SENSE
48 T48 18DB 4C PRESSURE SWITCH SENSE
49 T6 18OR/WT OVERDRIVE OFF SWITCH SENSE
50 T50 18DG LOW/REVERSE PRESSURE SWITCH SENSE
51 K4 18BK/LB SENSOR GROUND
52 T52 18RD/BK INPUT SPEED SENSOR SIGNAL
53 Z112 14BK GROUND
8Wa - 80 - 98 8W-80 CONNECTOR PIN-OUTSKJ

TRANSMISSION CONTROL MODULE (3.7L) - BLACK 60 WAY
CAV CIRCUIT FUNCTION
54 T54 18VT TRANSMISSION TEMPERATURE SENSOR SIGNAL
55 T59 18PK UNDERDRIVE SOLENOID CONTROL
56 A30 14RD/WT FUSED B(+)
57 Z113 14BK/YL GROUND
58 - -
59 T159 18DG/WT 4C SOLENOID CONTROL
60 T60 18BR OVERDRIVE SOLENOID CONTROL
TRANSMISSION SOLENOID/TRS ASSEMBLY (3.7L) - GRAY 23 WAY
CAV CIRCUIT FUNCTION
1 F15 18DB/WT FUSED IGNITION SWITCH OUTPUT (RUN)
2 T20 18LB LOW/REVERSE SOLENOID CONTROL
3 T41 18BK/WT PARK/NEUTRAL POSITION SWITCH SENSE
4 T411 18WT/PK TRS T41 SENSE
5 T42 18VT/WT TRS T42 SENSE
6 L10 18BR/LG BACK-UP LAMP FEED
7 T60 18BR OVERDRIVE SOLENOID CONTROL
8 T3 18VT TRS T3 SENSE
9 T1 18LG/BK TRS T1 SENSE
10 T16 14RD TRANSMISSION CONTROL RELAY OUTPUT
11 T48 18DB 4C PRESSURE SWITCH SENSE
12 T591 18YL/DB PRESSURE CONTROL SOLENOID CONTROL
13 T4 18PK/OR TRS T2 SENSE
14 T50 18DG LOW/REVERSE PRESSURE SWITCH SENSE
15 T147 18LB 2C PRESSURE SWITCH SENSE
16 T9 18OR/BK OVERDRIVE PRESSURE SWITCH SENSE
17 T59 18PK UNDERDRIVE SOLENOID CONTROL
18 T29 18GY UNDERDRIVE PRESSURE SWITCH SENSE
19 T159 18DG/WT 4C SOLENOID CONTROL
20 T119 18WT/DB 2C SOLENOID CONTROL
21 T140 18VT/LG MS SOLENOID CONTROL
22 T13 18DB/BK SPEED SENSOR GROUND
23 T54 18VT TRANSMISSION TEMPERATURE SENSOR SIGNAL
WASHER FLUID LEVEL SWITCH - LT. GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 G29 18BK/TN LOW WASHER FLUID SENSE
2 Z141 18BK GROUND
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-99