2002 JEEP LIBERTY Workshop Manual

CLUTCH INTERLOCK SWITCH (M/T) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 T141 18YL/RD CLUTCH SWITCH OVERRIDE RELAY OUTPUT
2 F45 18YL/BR FUSED IGNITION SWITCH OUTPUT (START)
COIL ON PLUG NO. 1 (3.7L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K91 14TN/RD COIL ON PLUG DRIVER NO.1
2 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
3- -
COIL ON PLUG NO. 2 (3.7L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K92 14TN/PK COIL ON PLUG DRIVER NO. 2
2 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
3- -
COIL ON PLUG NO. 3 (3.7L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K93 14TN/OR COIL ON PLUG DRIVER NO. 3
2 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
3- -
COIL ON PLUG NO. 4 (3.7L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K94 14TN/LG COIL ON PLUG DRIVER NO. 4
2 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
3- -
8Wa - 80 - 50 8W-80 CONNECTOR PIN-OUTSKJ

COIL ON PLUG NO. 5 (3.7L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K95 14TN/DG COIL ON PLUG DRIVER NO. 5
2 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
3- -
COIL ON PLUG NO. 6 (3.7L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K96 14TN/LB COIL ON PLUG DRIVER NO. 6
2 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
3- -
COIL RAIL (2.4L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K17 18DB/TN IGNITION COIL DRIVER NO. 2
2 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
3 K19 18BK/GY IGNITION COIL DRIVER NO. 1
COMPASS MINI-TRIP COMPUTER (PREMIUM) - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1- -
2 D25 20YL/VT PCI BUS
3 M1 20PK FUSED B(+)
4 Z2 20BK/LG CLEAN GROUND
5 F87 20WT/BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
6- -
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-51

CONTROLLER ANTILOCK BRAKE - LT.GRAY 24 WAY
CAV CIRCUIT FUNCTION
1 Z101 12BK/OR GROUND
2- -
3- -
4- -
5 D25 18YL/VT PCI BUS
6 B6 18WT/DB RIGHT FRONT WHEEL SPEED SENSOR SIGNAL
7 B7 18WT RIGHT FRONT WHEEL SPEED SENSOR 12 VOLT
SUPPLY
8 D24 18WT/DG FLASH ABS
9 A20 12RD/DB FUSED B(+)
10 F22 18DB/PK FUSED IGNITION SWITCH OUTPUT (RUN)
11 - -
12 - -
13 B12 18DG/OR VEHICLE SPEED SIGNAL
14 - -
15 - -
16 Z102 12BK/OR GROUND
17 S43 18LB/YL FLUID PRESSURE SWITCH SIGNAL
18 L50 18WT/TN BRAKE LAMP SWITCH OUTPUT
19 B1 18YL/DB REAR WHEEL SPEED SENSOR SIGNAL
20 B2 18YL REAR WHEEL SPEED SENSOR 12 VOLT SUPPLY
21 - -
22 B8 18RD/DB LEFT FRONT WHEEL SPEED SENSOR SIGNAL
23 B9 18RD LEFT FRONT WHEEL SPEED SENSOR 12 VOLT SUP-
PLY
24 A10 12RD/DG FUSED B(+)
CRANKSHAFT POSITION SENSOR (2.4L) - 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
CRANKSHAFT POSITION SENSOR (3.7L) - 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
8Wa - 80 - 52 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

DOME LAMP (BASE) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1- -
2 M1 20PK FUSED B(+)
3 M2 20YL COURTESY LAMP DRIVER
DRIVER AIRBAG SQUIB1-GRAY2WAY
CAV CIRCUIT FUNCTION
1 R45 18DG/LB DRIVER SQUIB 1 LINE 2
2 R43 18BK/LB DRIVER SQUIB 1 LINE 1
DRIVER AIRBAG SQUIB 2 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 R63 18TN/LB DRIVER SQUIB 2 LINE 2
2 R61 18OR/LB DRIVER SQUIB 2 LINE 1
DRIVER SEAT BELT SWITCH - LT. GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 R57 18DG DRIVER SEAT BELT SWITCH SENSE
2 R59 18LB DRIVER SEAT BELT SWITCH GROUND
DRIVER SEAT BELT TENSIONER - YELLOW 2 WAY
CAV CIRCUIT FUNCTION
1 R55 18OR/BK DRIVER SEAT BELT TENSIONER LINE 1
2 R53 18OR/YL DRIVER SEAT BELT TENSIONER LINE 2
8Wa - 80 - 54 8W-80 CONNECTOR PIN-OUTSKJ

EGR SOLENOID (DIESEL)-2WAY
CAV CIRCUIT FUNCTION
1 A71 18DG/RD FUSED AUTO SHUT DOWN RELAY OUTPUT
2 K35 18GY/YL EGR SOLENOID CONTROL
ENGINE CONTROL MODULE C1 (DIESEL) - BLACK 81 WAY
CAV CIRCUIT FUNCTION
1 Z108 14BK/DG GROUND
2 Z108 14BK/DG GROUND
3 K20 18DG GENERATOR FIELD CONTROL
4 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
5 A142 14DG/OR AUTO SHUT DOWN RELAY OUTPUT
6- -
7 D25 20VT/YL PCI BUS
8 K944 20BK/LB CAMSHAFT POSITION SENSOR GROUND
9 K44 20TN/YL CAMSHAFT POSITION SENSOR SIGNAL
10 - -
11 K37 20DB/YL BOOST PRESSURE SENSOR SIGNAL
12 - -
13 K78 20GY FUEL PRESSURE SENSOR SIGNAL
14 - -
15 K81 20VT/TN ACCELERATOR PEDAL POSITION SENSOR SIGNAL
16 K80 20BK/VT FUEL PRESSURE SENSOR GROUND
17 - -
18 - -
19 F92 20YL/BR BATTERY SENSE (+)
20 Z109 20BK/DB BATTERY SENSE (-)
21 K4 20BK/LB SENSOR GROUND
22 F1 20DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
23 K6 20VT/WT SENSOR REFERENCE VOLTAGE B
24 K3 20LB/BK CRANKSHAFT POSITION SENSOR SIGNAL 2
25 - -
26 - -
27 - -
28 - -
29 K77 20BR/WT TRANSFER CASE POSITION SENSOR INPUT
30 G60 20GY/YL ENGINE OIL PRESSURE SENSOR SIGNAL
31 G123 20DG/WT WATER IN FUEL SENSOR SIGNAL
32 K118 20PK/YL BATTERY TEMPERATURE SENSOR SIGNAL
33 - -
34 K255 20WT/DG ACCELERATOR PEDAL POSITION SENSOR GROUND
35 K852 20VT/WT ACCELERATOR PEDAL POSITION SENSOR 5 VOLT
SUPPLY
36 - -
37 - -
38 V37 20RD/LG SPEED CONTROL SWITCH SIGNAL
39 K226 20DB/WT FUEL LEVEL SENSOR SIGNAL
40 K2 20TN/BK ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
41 K21 18BK/RD INTAKE AIR TEMPERATURE SENSOR SIGNAL
42 Y101 20BK/OR CRANKSHAFT POSITION SENSOR SHIELD
43 K24 20GY/BK CRANKSHAFT POSITION SENSOR SIGNAL 1
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-55

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

ENGINE CONTROL MODULE C2 (DIESEL) - BLACK 40 WAY
CAV CIRCUIT FUNCTION
94 - -
95 - -
96 - -
97 - -
98 - -
99 - -
100 - -
101 C18 20DB A/C PRESSURE SIGNAL
102 - -
103 - -
104 - -
105 - -
106 - -
107 - -
108 - -
109 - -
110 - -
111 - -
112 - -
113 - -
114 - -
115 K14 2.5mmLB/BR FUEL INJECTOR NO. 4 CONTROL
116 K63 2.5mmDB/BK COMMON INJECTOR DRIVER
117 - -
118 K11 2.5mmWT/DB FUEL INJECTOR NO. 1 CONTROL
119 K12 2.5mmTN FUEL INJECTOR NO. 2 CONTROL
120 K13 2.5mmYL/WT FUEL INJECTOR NO. 3 CONTROL
121 - -
ENGINE COOLANT LEVEL SENSOR (DIESEL) - LT. GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 G18 18PK/BK COOLANT LEVEL SENSOR SIGNAL
2 Z246 18BK/GY SENSOR GROUND
ENGINE COOLANT TEMP SENSOR (DIESEL) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K2 20TN/BK ENGINE COOLANT TEMPERATURE SENSOR SIGNAL
2 K4 18BK/LB SENSOR GROUND
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-57