2002 JEEP LIBERTY Transmi

8W-30 FUEL/IGNITION SYSTEM
Component Page
A/C Compressor Clutch.............. 8Wa-30-34
A/C Compressor Clutch Relay..... 8Wa-30-34, 2, 3
A/C High Pressure Switch............ 8Wa-30-29
A/C Low Pressure Switch.......... 8Wa-30-8, 29
A/C Pressure Transducer....... 8Wa-30-11, 23, 12
Accelerator Pedal Position Sensor...... 8Wa-30-27
Auto Shut Down Relay . . 8Wa-30-13, 14, 15, 24, 28,
31, 16, 17, 2
Battery Temperature Sensor........ 8Wa-30-30, 7
Blower Motor Relay................. 8Wa-30-31
Body Control Module.............. 8Wa-30-8, 33
Boost Pressure Sensor............ 8Wa-30-26, 28
Brake Lamp Switch............ 8Wa-30-8, 32, 33
Cabin Heater...................... 8Wa-30-34
Cabin Heater Relay................. 8Wa-30-34
Camshaft Position Sensor....... 8Wa-30-10, 9, 28
Capacitor...................... 8Wa-30-19, 17
Clockspring..................... 8Wa-30-33, 7
Clutch Switch Override Relay.... 8Wa-30-13, 8, 32
Coil On Plug No. 1................. 8Wa-30-19
Coil On Plug No. 2................. 8Wa-30-20
Coil On Plug No. 3................. 8Wa-30-19
Coil On Plug No. 4................. 8Wa-30-20
Coil On Plug No. 5................. 8Wa-30-19
Coil On Plug No. 6................. 8Wa-30-20
Coil Rail......................... 8Wa-30-17
Controller Antilock Brake............ 8Wa-30-33
Crankshaft Position Sensor...... 8Wa-30-10, 9, 27
Data Link Connector.............. 8Wa-30-25, 6
Diagnostic Junction Port........... 8Wa-30-25, 6
EGR Solenoid..................... 8Wa-30-30
Engine Control Module . . 8Wa-30-24, 25, 26, 27, 28,
29, 30, 31, 32, 33, 34, 35, 36
Engine Coolant Temperature Sensor . 8Wa-30-11, 28,
12
Engine Oil Pressure Sensor..... 8Wa-30-11, 28, 12
Evap/Purge Solenoid................. 8Wa-30-2
Fuel Heater....................... 8Wa-30-31
Fuel Heater Relay.................. 8Wa-30-31
Fuel Injector No. 1............... 8Wa-30-18, 36
Fuel Injector No. 2............... 8Wa-30-18, 36
Fuel Injector No. 3............... 8Wa-30-18, 36
Fuel Injector No. 4............... 8Wa-30-18, 36
Fuel Injector No. 5................. 8Wa-30-18
Fuel Injector No. 6................. 8Wa-30-18
Fuel Pressure Sensor............... 8Wa-30-36
Fuel Pressure Solenoid.............. 8Wa-30-31
Fuel Pump Module............. 8Wa-30-30, 4, 5
Fuel Pump Relay.............. 8Wa-30-4, 2, 3, 5
Fuse 2........................... 8Wa-30-23
Fuse 6................... 8Wa-30-24, 28, 31, 2Component Page
Fuse 10.......................... 8Wa-30-35
Fuse 11.......................... 8Wa-30-35
Fuse 12....................... 8Wa-30-31, 33
Fuse 15...................... 8Wa-30-25, 2, 3
Fuse 16...... 8Wa-30-13, 14, 15, 24, 30, 34, 35, 16
Fuse 21.......................... 8Wa-30-34
Fuse 24...................... 8Wa-30-31, 2, 3
Fuse 26.................. 8Wa-30-18, 24, 17, 2
Fuse 28.......................... 8Wa-30-13
G100.................... 8Wa-30-19, 27, 17, 3
G101............................ 8Wa-30-23
G103................. 8Wa-30-15, 23, 31, 34, 16
G104............................ 8Wa-30-27
G111 ............................ 8Wa-30-31
G112 .......................... 8Wa-30-8, 23
G320........................... 8Wa-30-4, 5
Generator.................. 8Wa-30-24, 4, 3, 5
Glow Plug Assembly................ 8Wa-30-35
Glow Plug Relay No. 1.............. 8Wa-30-35
Glow Plug Relay No. 2.............. 8Wa-30-35
Idle Air Control Motor............ 8Wa-30-21, 22
Ignition Switch.................... 8Wa-30-32
Intake Air Temperature Sensor..... 8Wa-30-11, 12
Junction Block........... 8Wa-30-25, 31, 33, 2, 3
Knock Sensor...................... 8Wa-30-8
Leak Detection Pump.............. 8Wa-30-4, 5
Left Speed Control Switch.......... 8Wa-30-33, 7
Manifold Absolute Pressure Sensor . . 8Wa-30-11, 12
Oxygen Sensor 1/1 Upstream...... 8Wa-30-14, 15
Oxygen Sensor 1/2 Downstream . 8Wa-30-13, 14, 15
Oxygen Sensor 2/1 Upstream......... 8Wa-30-16
Oxygen Sensor 2/2 Downstream.... 8Wa-30-13, 16
Oxygen Sensor Downstream Relay . . 8Wa-30-13, 15,
16
Power Distribution Center . . 8Wa-30-13, 14, 15, 23,
24, 28, 30, 31, 34, 35, 16, 17, 2, 3
Power Steering Pressure Switch....... 8Wa-30-23
Powertrain Control Module . . . 8Wa-30-10, 13, 20, 8,
11, 14, 15, 18, 19, 21, 9, 23, 4, 12, 16, 17, 2, 22, 3,
6, 7, 5
Radiator Fan Motor................. 8Wa-30-23
Radiator Fan Relay................. 8Wa-30-23
Right Speed Control Switch......... 8Wa-30-33, 7
Shifter Assembly................. 8Wa-30-8, 32
Speed Control Servo................. 8Wa-30-8
Starter Motor Relay................ 8Wa-30-13
Throttle Position Sensor.......... 8Wa-30-21, 22
Transfer Case Position Sensor.... 8Wa-30-9, 23, 32
Transmission Control Module . . 8Wa-30-10, 8, 22, 6
Transmission Solenoid/Trs Assembly.... 8Wa-30-10
Water In Fuel Sensor............... 8Wa-30-29
KJ8W-30 FUEL/IGNITION SYSTEM8Wa-30-1

8W-31 TRANSMISSION CONTROL SYSTEM
Component Page
A/C Compressor Clutch Relay.......... 8Wa-31-3
Auto Shut Down Relay............... 8Wa-31-3
Back-Up Lamp Switch............... 8Wa-31-4
Brake Lamp Switch................. 8Wa-31-5
Crankshaft Position Sensor............ 8Wa-31-6
Data Link Connector................. 8Wa-31-6
Diagnostic Junction Port.............. 8Wa-31-3
Engine Control Module............... 8Wa-31-6
Fuel Pump Relay................... 8Wa-31-3
Fuse 5............................ 8Wa-31-2
Fuse 15........................... 8Wa-31-3
Fuse 28........................... 8Wa-31-3
Fuse 38........................... 8Wa-31-5
Fuse 39........................... 8Wa-31-4
G102........................... 8Wa-31-7, 9
G111 ............................. 8Wa-31-2
G301............................. 8Wa-31-5
Input Speed Sensor.................. 8Wa-31-9Component Page
Instrument Cluster.................. 8Wa-31-5
Junction Block.................. 8Wa-31-3, 4, 5
Left Tail/Stop Lamp................. 8Wa-31-4
Line Pressure Sensor................ 8Wa-31-9
Output Speed Sensor................ 8Wa-31-9
Power Distribution Center.......... 8Wa-31-2, 3
Powertrain Control Module........ 8Wa-31-3, 5, 6
Right Tail/Stop Lamp................ 8Wa-31-4
Shifter Assembly.................... 8Wa-31-5
Starter Motor Relay................. 8Wa-31-8
Throttle Position Sensor.............. 8Wa-31-5
Trailer Tow Connector................ 8Wa-31-4
Transfer Case Position Sensor.......... 8Wa-31-5
Transmission Control Module . . 8Wa-31-2, 3, 5, 6, 7,
8, 9
Transmission Control Relay....... 8Wa-31-2, 7, 8
Transmission Solenoid/Trs Assembly . . 8Wa-31-2, 4,
7, 8, 9
KJ8W-31 TRANSMISSION CONTROL SYSTEM8Wa-31-1

8W-40 INSTRUMENT CLUSTER
Component Page
Airbag Control Module............. 8Wa-40-4, 8
Body Control Module........... 8Wa-40-3, 4, 5, 8
Controller Antilock Brake............. 8Wa-40-6
Data Link Connector................. 8Wa-40-4
Diagnostic Junction Port...... 8Wa-40-4, 5, 6, 7, 8
Driver Seat Belt Switch.............. 8Wa-40-8
Engine Control Module............... 8Wa-40-6
Engine Coolant Level Sensor.......... 8Wa-40-3
Fuse 9............................ 8Wa-40-3
Fuse 13........................... 8Wa-40-2
Fuse 34........................... 8Wa-40-2
G103............................. 8Wa-40-3Component Page
G111 ............................. 8Wa-40-3
G202........................... 8Wa-40-2, 3
Hazard Switch/Combination Flasher..... 8Wa-40-3
Instrument Cluster........ 8Wa-40-2, 3, 4, 5, 7, 8
Junction Block.................... 8Wa-40-2, 3
Park Brake Switch.................. 8Wa-40-5
Park Lamp Relay................... 8Wa-40-3
Passenger Seat Belt Switch............ 8Wa-40-8
Powertrain Control Module............ 8Wa-40-6
Red Brake Warning Indicator Switch.... 8Wa-40-3
Transmission Control Module.......... 8Wa-40-6
Washer Fluid Level Switch............ 8Wa-40-2
KJ8W-40 INSTRUMENT CLUSTER8Wa-40-1

8W-51 REAR LIGHTING
Component Page
Back-Up Lamp Switch............... 8Wa-51-3
Body Control Module............... 8Wa-51-2, 5
Brake Lamp Switch................. 8Wa-51-4
Center High Mounted Stop Lamp....... 8Wa-51-4
Fuse 2............................ 8Wa-51-5
Fuse 9............................ 8Wa-51-2
Fuse 23........................... 8Wa-51-2
Fuse 39........................... 8Wa-51-3
G202............................. 8Wa-51-2
G310....................... 8Wa-51-2, 3, 4, 5Component Page
G312............................. 8Wa-51-4
Junction Block................ 8Wa-51-2, 3, 4, 5
Left Tail/Stop Lamp............. 8Wa-51-3, 4, 5
License Lamp...................... 8Wa-51-3
Park Lamp Relay................... 8Wa-51-2
Rear Fog Lamp Relay................ 8Wa-51-5
Right Tail/Stop Lamp............ 8Wa-51-2, 4, 5
Trailer Tow Left Turn Relay........... 8Wa-51-4
Trailer Tow Right Turn Relay.......... 8Wa-51-4
Transmission Solenoid/Trs Assembly..... 8Wa-51-3
KJ8W-51 REAR LIGHTING8Wa-51-1

8W-54 TRAILER TOW
Component Page
Back-Up Lamp Switch............... 8Wa-54-3
Body Control Module................ 8Wa-54-2
Brake Lamp Switch................. 8Wa-54-4
Trailer Tow Circuit Breaker........... 8Wa-54-6
Controller Antilock Brake............. 8Wa-54-4
Electric Brake Provision.............. 8Wa-54-3
Fuse 2............................ 8Wa-54-6
Fuse 9............................ 8Wa-54-2
Fuse 10........................... 8Wa-54-6
Fuse 19........................... 8Wa-54-4
Fuse 25........................... 8Wa-54-6
G202............................. 8Wa-54-2Component Page
G310............................. 8Wa-54-5
Hazard Switch/Combination Flasher..... 8Wa-54-4
Junction Block.................. 8Wa-54-2, 4, 6
Park Lamp Relay................... 8Wa-54-2
Power Distribution Center............ 8Wa-54-6
Trailer Tow Brake Lamp Relay....... 8Wa-54-4, 5
Trailer Tow Circuit Breaker........... 8Wa-54-6
Trailer Tow Connector.......... 8Wa-54-2, 3, 5, 6
Trailer Tow Left Turn Relay......... 8Wa-54-4, 5
Trailer Tow Relay................. 8Wa-54-5, 6
Trailer Tow Right Turn Relay........ 8Wa-54-4, 5
Transmission Solenoid/Trs Assembly..... 8Wa-54-3
KJ8W-54 TRAILER TOW8Wa-54-1

Component Page
Sunroof Switch.................... 8Wa-80-95
Tailgate Cylinder Lock Switch......... 8Wa-80-95
Tailgate Flip-Up Ajar Switch.......... 8Wa-80-95
Tailgate Lock Motor/Ajar Switch....... 8Wa-80-95
Throttle Position Sensor............. 8Wa-80-96
Trailer Tow Brake Lamp Relay........ 8Wa-80-96
Trailer Tow Circuit Breaker.......... 8Wa-80-96
Trailer Tow Connector............... 8Wa-80-96
Trailer Tow Left Turn Relay.......... 8Wa-80-97Component Page
Trailer Tow Relay.................. 8Wa-80-97
Trailer Tow Right Turn Relay......... 8Wa-80-97
Transfer Case Position Sensor......... 8Wa-80-97
Transmission Control Module (3.7L).... 8Wa-80-98
Transmission Solenoid/TRS Assembly
(3.7L).......................... 8Wa-80-99
Washer Fluid Level Switch........... 8Wa-80-99
Washer Pump.................... 8Wa-80-100
Water In Fuel Sensor (Diesel)........ 8Wa-80-100
8Wa - 80 - 4 8W-80 CONNECTOR PIN-OUTSKJ

CRANKSHAFT POSITION SENSOR (DIESEL) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K24 20GY/BK CRANKSHAFT POSITION SENSOR SIGNAL 1
2 K3 20LB/BK CRANKSHAFT POSITION SENSOR SIGNAL 2
3 Y101 20BK/OR CRANKSHAFT POSITION SENSOR SHIELD
DATA LINK CONNECTOR - BLACK 16 WAY
CAV CIRCUIT FUNCTION
1- -
2 D25 18YL/VT PCI BUS
3- -
4 Z252 18BK/GY GROUND
5 Z252 18BK/GY GROUND
6 D32 20LG/DG (GAS) SCI RECEIVE
6 D32 20LG/DG (DIESEL) NOT USED
7 D21 20PK/RD SCI TRANSMIT
8 D24 18WT/DG FLASH ABS
9 D19 20VT/OR BODY CONTROL MODULE FLASH ENABLE
10 - -
11 - -
12 - -
13 - -
14 D20 20LG (DIESEL) NOT USED
14 D20 20LG (GAS) SCI RECEIVE
15 - -
16 F33 20PK/RD FUSED B(+)
DIAGNOSTIC JUNCTION PORT - BLACK 16 WAY
CAV CIRCUIT FUNCTION
1 D25 18YL/VT/BR PCI BUS (PCM TCM CAB SKIM)
2 D25 18YL/VT/GY PCI BUS (PCM TCM CAB SKIM)
3 D25 18YL/VT/DB PCI BUS (O/C RADIO LSIACM RSIACM)
4 D25 18YL/VT/OR PCI BUS (ACM)
5 D25 20YL/VT/RD PCI BUS (EMIC)
6 D25 18YL/VT/WT PCI BUS (BCM)
7 D25 18YL/VT PCI BUS (DLC)
8- -
9- -
10 - -
11 - -
12 - -
13 - -
14 - -
15 - -
16 - -
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-53

ENGINE CONTROL MODULE C1 (DIESEL) - BLACK 81 WAY
CAV CIRCUIT FUNCTION
44 - -
45 - -
46 - -
47 L50 20WT/TN BRAKE LAMP SWITCH OUTPUT
48 K29 20WT/PK BRAKE SWITCH SENSE
49 - -
50 - -
51 - -
52 - -
53 - -
54 - -
55 B22 20DG/YL VEHICLE SPEED SIGNAL
56 - -
57 - -
58 - -
59 - -
60 K7 20OR FUEL PRESSURE SENSOR 5 VOLT SUPPLY
61 K51 20DB/YL AUTO SHUT DOWN RELAY CONTROL
62 - -
63 - -
64 K151 20WT LOW IDLE POSITION SWITCH SENSE
65 - -
66 - -
67 - -
68 - -
69 C13 20DG A/C COMPRESSOR CLUTCH RELAY CONTROL
70 - -
71 - -
72 K236 20GY/PK GLOW PLUG RELAY RELAY NO. 2 CONTROL
73 - -
74 K90 20TN CLUTCH SWITCH OVERRIDE RELAY CONTROL
75 K132 20DG/LB CABIN HEATER RELAY CONTROL
76 - -
77 K152 20WT GLOW PLUG RELAY NO. 1 CONTROL
78 - -
79 - -
80 K46 20OR/BK FUEL PRESSURE SOLENOID CONTROL
81 K46 20OR/BK FUEL PRESSURE SOLENOID CONTROL
ENGINE CONTROL MODULE C2 (DIESEL) - BLACK 40 WAY
CAV CIRCUIT FUNCTION
82 D21 20PK SCI TRANSMIT
83 - -
84 - -
85 - -
86 - -
87 - -
88 - -
89 K35 20GY/YL EGR SOLENOID CONTROL
90 - -
91 - -
92 - -
93 - -
8Wa - 80 - 56 8W-80 CONNECTOR PIN-OUTSKJ