brake sensor JEEP LIBERTY 2002 KJ / 1.G Repair Manual

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

BOOST PRESSURE SENSOR (DIESEL)-4WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
2 K21 18BK/RD INTAKE AIR TEMPERATURE SENSOR SIGNAL
3 K6 18VT/WT SENSOR REFERENCE VOLTAGE B
4 K37 20DB/YL BOOST PRESSURE SENSOR SIGNAL
BRAKE LAMP SWITCH - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 F32 18PK/DB FUSED B(+)
2 L50 18WT/TN (GAS) BRAKE LAMP SWITCH OUTPUT
2 L50 18WT/TN (DIESEL) PRIMARY BRAKE SWITCH SIGNAL
3 V30 18DB/RD SPEED CONTROL BRAKE SWITCH OUTPUT
4 V32 18YL/RD SPEED CONTROL SUPPLY
5 Z3 18BK/OR GROUND
6 K29 18WT/PK (GAS) BRAKE SWITCH SENSE
6 K29 18WT/PK (DIESEL) SECONDARY BRAKE SWITCH SIGNAL
BRAKE PRESSURE SWITCH (ABS) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 F22 18DB/PK FUSED IGNITION SWITCH OUTPUT (RUN)
2 S43 18LB/YL FLUID PRESSURE SWITCH SIGNAL
C100 (RHD) - GRAY (INSTRUMENT PANEL SIDE)
CAV CIRCUIT
1 L43 18VT
2 F1 20DB
3 M1 18PK
4 B22 18LG/YL
5 L44 18VT/RD
6 V16 18VT/YL
7 V55 16TN/RD
8 G32 20DB/OR
9 D20 20LG
10 D25 18YL/VT/BR
11 V14 18RD/VT
12 L13 18BR/YL
13 G70 20BR/TN
14 G11 20WT/BK
15 K4 20BK/LB
16 L50 18WT/TN
17 L62 18BR/RD
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-11

CENTER HIGH MOUNTED STOP LAMP - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 L50 18WT/TN BRAKE LAMP SWITCH OUTPUT
2 Z309 18BK GROUND
CIGAR LIGHTER - RED 3 WAY
CAV CIRCUIT FUNCTION
1 F30 16RD FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
2- -
3 Z3 16BK/OR GROUND
CLOCKSPRING C1 - WHITE 6 WAY
CAV CIRCUIT FUNCTION
1- -
2 X3 20BK/RD HORN RELAY CONTROL
3 X20 20RD/BK (PREMIUM) RADIO CONTROL MUX
4 X10 20RD/DB (PREMIUM) RADIO CONTROL MUX RETURN
5 K4 20BK/LB SENSOR GROUND
6 V37 20RD/LG SPEED CONTROL SWITCH SIGNAL
CLOCKSPRING C2 - YELLOW 4 WAY
CAV CIRCUIT FUNCTION
1 R45 18DG/LB DRIVER SQUIB 1 LINE 2
2 R43 18BK/LB DRIVER SQUIB 1 LINE 1
3 R63 18TN/LB DRIVER SQUIB 2 LINE 2
4 R61 18OR/LB DRIVER SQUIB 2 LINE 1
CLOCKSPRING C3 - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1- -
2 X3 20BK/RD HORN RELAY CONTROL
3 X20 20RD/BK (PREMIUM) RADIO CONTROL MUX
4 X10 20RD/DB (PREMIUM) RADIO CONTROL MUX RETURN
5 K4 20BK/LB (EXCEPT BASE) SENSOR GROUND
6 V37 20RD/LG (EXCEPT BASE) SPEED CONTROL SWITCH SIGNAL
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-49

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

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

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

INSTRUMENT CLUSTER - BLACK 20 WAY
CAV CIRCUIT FUNCTION
16 L62 20BR/RD RIGHT TURN SIGNAL
17 G11 20WT/BK RED BRAKE WARNING INDICATOR DRIVER
18 G29 20BK/TN LOW WASHER FLUID SENSE
19 F87 20TN/BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
20 - -
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
INTRUSION SENSOR (BUILT-UP-EXPORT) - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 Z2 20BK/LG GROUND
2- -
3 X75 20DG SIREN SIGNAL CONTROL
4- -
5 D25 20YL/VT PCI BUS
6 M1 20PK FUSED B(+)
JUNCTION BLOCK BODY CONTROL MODULE-JB - 26 WAY
CAV CIRCUIT FUNCTION
1 X3 (PREMIUM) HORN RELAY CONTROL
2 P334 DOOR UNLOCK RELAY CONTROL
3 L308 PARK LAMP RELAY CONTROL
4 L96 (PREMIUM) REAR FOG LAMP RELAY CONTROL
5 P109 (EXCEPT BASE) DRIVER DOOR UNLOCK RELAY CONTROL
6 C80 REAR WINDOW DEFOGGER RELAY CONTROL
7- -
8 Z300 GROUND
9 F35 FUSED B(+)
10 L309 HIGH BEAM RELAY CONTROL
11 P31 TAILGATE UNLOCK DRIVER
12 P37 DOOR LOCK SWITCH GROUND
13 L94 LOW BEAM RELAY CONTROL
14 F89 FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
15 M1 FUSED B(+)
16 F87 FUSED IGNITION SWITCH OUTPUT (RUN-START)
17 L26 (EXCEPT BASE) FRONT FOG LAMP RELAY CONTROL
18 P333 DOOR LOCK RELAY CONTROL
19 V16 FRONT WIPER HIGH/LOW RELAY CONTROL
20 V55 FRONT WIPER PARK SWITCH SENSE
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-65

LEFT SIDE MARKER LAMP (EXCEPT BUILT-UP-EXPORT) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L77 18BK/YL FUSED PARK LAMP RELAY OUTPUT
2 L63 18DG/RD LEFT TURN SIGNAL
LEFT SIDE REPEATER LAMP (BUILT-UP-EXPORT) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L63 18DG/RD LEFT TURN SIGNAL
2 Z141 18BK GROUND
LEFT SPEED CONTROL SWITCH (EXCEPT BASE) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1- -
2 K4 20BK/LB SENSOR GROUND
3 V37 20RD/LG SPEED CONTROL SWITCH SIGNAL
4- -
LEFT TAIL/STOP LAMP - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 L38 18BR/WT (BUILT-UP-EXPORT) REAR FOG LAMP RELAY OUTPUT
2 L77 18BK/YL FUSED PARK LAMP RELAY OUTPUT
3 L50 18WT/TN BRAKE LAMP SWITCH OUTPUT
4 L10 18BR/LG BACK-UP LAMP FEED
5 Z151 18BK/WT GROUND
6 L63 18DG/RD LEFT TURN SIGNAL
LEFT VISOR/VANITY LAMP (EXCEPT BASE) - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 M1 20PK FUSED B(+)
2 M20 20BR COURTESY LAMP LOAD SHED
8Wa - 80 - 76 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

REAR POWER WINDOW SWITCH (MIDLINE/HIGHLINE) - WHITE 10 WAY
CAV CIRCUIT FUNCTION
1 Q28 14DG/WT RIGHT REAR WINDOW DRIVER DOWN
2 Q14 14GY RIGHT REAR WINDOW DRIVER UP
3 Q24 14DG RIGHT REAR WINDOW DRIVER DOWN
4 Q18 14GY/BK RIGHT REAR WINDOW DRIVER UP
5 Q1 16YL POWER WINDOW SWITCH FEED
6 Q1 16YL POWER WINDOW SWITCH FEED
7 Q17 14DB/WT LEFT REAR WINDOW DRIVER UP
8 Q23 14RD/WT LEFT REAR WINDOW DRIVER DOWN
9 Q27 14RD/BK LEFT REAR WINDOW DRIVER DOWN
10 Q13 14DB LEFT REAR WINDOW DRIVER UP
REAR WHEEL SPEED SENSOR - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 B2 18YL REAR WHEEL SPEED SENSOR 12 VOLT SUPPLY
2 B1 18YL/DB REAR WHEEL SPEED SENSOR SIGNAL
REAR WIPER MOTOR - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 Z235 18BK GROUND
2 V21 20DB/RD REAR WIPER ON DRIVER
3 G80 20YL/WT FLIP-UP GLASS AJAR SWITCH SENSE
4 V22 20BR/YL REAR WIPER INTERMITTENT DRIVER
5 F70 18PK/BK FUSED B(+)
6- -
RED BRAKE WARNING INDICATOR SWITCH - GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 G11 18WT/BK RED BRAKE WARNING INDICATOR DRIVER
2 Z142 18BK/WT GROUND
REMOTE KEYLESS ENTRY MODULE (EXCEPT BASE)-6WAY
CAV CIRCUIT FUNCTION
1 Y60 RKE DATA
2 Y62 RKE SUPPLY
3 Y61 RKE PROGRAM
4 Y63 RKE GROUND
5 Y64 RKE ANTENNA (+)
6 Y65 RKE ANTENNA (-)
8Wa - 80 - 86 8W-80 CONNECTOR PIN-OUTSKJ