2002 JEEP LIBERTY Workshop Manual

JUNCTION BLOCK BODY CONTROL MODULE-JB - 26 WAY
CAV CIRCUIT FUNCTION
21 V14 FRONT WIPER ON/OFF RELAY CONTROL
22 P30 TAILGATE LOCK DRIVER
23 P36 DOOR LOCK SWITCH MUX
24 M2 COURTESY LAMP DRIVER
25 Z131 GROUND
26 M20 COURTESY LAMP LOAD SHED
JUNCTION BLOCK C1 - GRAY 42 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3 A21 12RD/DB IGNITION SWITCH OUTPUT (RUN-START)
4 E2 20OR FUSED PANEL LAMPS DIMMER SWITCH SIGNAL
5 E2 20OR FUSED PANEL LAMPS DIMMER SWITCH SIGNAL
6- -
7 X3 20BK/RD HORN RELAY CONTROL
8 L78 20DG/YL (EXCEPT BUILT-UP-EX-
PORT)FUSED PARK LAMP RELAY OUTPUT
8 L78 18DG/YL (BUILT-UP-EXPORT) FUSED PARK LAMP RELAY OUTPUT
9 F1 20DB (PREMIUM) FUSED IGNITION SWITCH OUTPUT (RUN-START)
10 E2 20OR FUSED PANEL LAMPS DIMMER SWITCH SIGNAL
11 E2 20OR FUSED PANEL LAMPS DIMMER SWITCH SIGNAL
12 M1 20PK FUSED B(+)
13 F33 20PK/RD FUSED B(+)
14 - -
15 M1 20PK FUSED B(+)
16 L50 18WT/TN BRAKE LAMP SWITCH OUTPUT
17 Z300 16BK GROUND
18 - -
19 - -
20 Z131 10BK/GY GROUND
21 L309 20LG/WT HIGH BEAM RELAY CONTROL
22 F14 18LG/YL FUSED IGNITION SWITCH OUTPUT (RUN-START)
23 M2 20YL COURTESY LAMP DRIVER
24 M2 20YL COURTESY LAMP DRIVER
25 F33 20PK/RD (PREMIUM) FUSED B(+)
26 F88 20BR/RD FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
27 M1 20PK FUSED B(+)
28 V23 20BR/PK FUSED IGNITION SWITCH OUTPUT (RUN)
29 V23 20BR/PK FUSED IGNITION SWITCH OUTPUT (RUN)
30 - -
31 F87 20TN/BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
32 - -
33 F38 16RD/WT FUSED B(+)
34 C16 20LB/YL FUSED DEFOGGER RELAY OUTPUT
35 F30 16RD FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
36 - -
37 F32 18PK/DB FUSED B(+)
38 F15 18DB/WT FUSED IGNITION SWITCH OUTPUT (RUN)
39 F23 18DB/YL FUSED IGNITION SWITCH OUTPUT (RUN)
40 A31 12BK/WT IGNITION SWITCH OUTPUT (RUN-ACC)
41 A15 18PK/OR FUSED B(+)
42 A22 12BK/OR IGNITION SWITCH OUTPUT (RUN)
8Wa - 80 - 66 8W-80 CONNECTOR PIN-OUTSKJ

JUNCTION BLOCK C2 - GREEN 42 WAY
CAV CIRCUIT FUNCTION
1 F37 14RD/LB (MIDLINE/HIGHLINE) FUSED B(+)
2- -
3 C15 12BK/WT DEFOGGER RELAY OUTPUT
4 F89 18OR/RD FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
5 P37 20LG (EXCEPT BASE) DOOR LOCK SWITCH GROUND
6 P33 18OR/BK (EXCEPT BASE) DOOR LOCK RELAY OUTPUT
7 F22 18DB/PK FUSED IGNITION SWITCH OUTPUT (RUN)
8 P34 18PK/BK (EXCEPT BASE) DRIVER DOOR UNLOCK RELAY OUTPUT
9 P35 18OR/VT (EXCEPT BASE) PASSENGER DOOR UNLOCK RELAY OUTPUT
10 P36 20PK/VT (EXCEPT BASE) DOOR LOCK SWITCH MUX
11 P37 20LG (EXCEPT BASE) DOOR LOCK SWITCH GROUND
12 M20 20BR COURTESY LAMP LOAD SHED
13 L50 18WT/TN BRAKE LAMP SWITCH OUTPUT
14 P36 20PK/VT (EXCEPT BASE) DOOR LOCK SWITCH MUX
15 P30 16OR/WT TAILGATE LOCK DRIVER
16 F70 18PK/BK FUSED B(+)
17 L77 18BK/YL FUSED LEFT INBOARD TAIL LAMP
18 M1 20PK FUSED B(+)
19 M1 20PK FUSED B(+)
20 E2 20OR FUSED PANEL LAMPS DIMMER SWITCH SIGNAL
21 E2 20OR FUSED PANEL LAMPS DIMMER SWITCH SIGNAL
22 - -
23 V23 20BR/PK (HIGHLINE) FUSED IGNITION SWITCH OUTPUT (RUN)
24 V23 20BR/PK (EXCEPT BASE) FUSED IGNITION SWITCH OUTPUT (RUN)
25 V23 20BR/PK (MIDLINE/HIGHLINE) FUSED IGNITION SWITCH OUTPUT (RUN)
26 L78 18DG/YL FUSED PARK LAMP RELAY OUTPUT
27 - -
28 A6 16RD/BK (PREMIUM GAS) FUSED B(+)
29 - -
30 M2 18YL COURTESY LAMP DRIVER
31 C16 18LB/YL (EXCEPT BASE) FUSED DEFOGGER RELAY OUTPUT
32 F14 18LG/YL FUSED IGNITION SWITCH OUTPUT (RUN-START)
33 F14 18LG/YL FUSED IGNITION SWITCH OUTPUT (RUN-START)
34 L38 18BR/WT (HIGHLINE) REAR FOG LAMP RELAY OUTPUT
35 P31 16PK/WT TAILGATE UNLOCK DRIVER
36 - -
37 F60 16DG/RD (PREMIUM) FUSED B(+)
38 F87 20WT/BK FUSED IGNITION SWITCH OUTPUT (RUN-START)
39 C16 18LB/YL (EXCEPT BASE) FUSED DEFOGGER RELAY OUTPUT
40 F85 16VT/WT (MIDLINE/HIGHLINE) FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
41 F41 16PK/VT FUSED B(+)
42 A3 16RD/WT (HIGHLINE) FUSED B(+)
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-67

JUNCTION BLOCK C3 - LT. BLUE 42 WAY
CAV CIRCUIT FUNCTION
1 A12 10RD/TN FUSED B(+)
2 A13 10PK/WT FUSED B(+)
3 A4 12BK/PK FUSED B(+)
4 L44 18VT/RD FUSED RIGHT LOW BEAM OUTPUT
5 L43 18VT FUSED LEFT LOW BEAM OUTPUT
6- -
7 V55 16TN/RD FRONT WIPER PARK SWITCH SENSE
8 F1 18DB (LHD) FUSED IGNITION SWITCH OUTPUT (RUN-START)
8 F1 20DB (RHD) FUSED IGNITION SWITCH OUTPUT (RUN-START)
9 V6 14DB/YL (RHD) FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
9 VG 16DB/YL (LHD) FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
10 - -
11 A12 10RD/TN FUSED B(+)
12 - -
13 - -
14 - -
15 V14 18RD/VT FRONT WIPER ON/OFF RELAY CONTROL
16 L34 18RD/OR FUSED RIGHT HIGH BEAM OUTPUT
17 - -
18 V16 18VT/YL WIPER HIGH/LOW RELAY CONTROL
19 F20 18WT FUSED IGNITION SWITCH OUTPUT (RUN)
20 - -
21 - -
22 - -
23 - -
24 L50 18WT/TN (ABS) BRAKE LAMP SWITCH OUTPUT
25 - -
26 - -
27 - -
28 L77 18BK/YL FUSED LEFT INBOARD TAIL LAMP
29 M1 18PK FUSED B(+)
30 L78 18DG/YL FUSED PARK LAMP RELAY OUTPUT
31 - -
32 F15 18DB/WT FUSED IGNITION SWITCH OUTPUT (RUN)
33 L39 18LB FRONT FOG LAMP RELAY OUTPUT
34 A18 10PK FUSED B(+)
35 - -
36 - -
37 L33 18LG/BR FUSED LEFT HIGH BEAM OUTPUT
38 F22 18DB/PK (ABS) FUSED IGNITION SWITCH OUTPUT (RUN)
39 X2 18DG/RD HORN RELAY OUTPUT
40 A18 10PK FUSED B(+)
41 - -
42 A7 10RD/BK FUSED B(+)
8Wa - 80 - 68 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

LEFT DOOR LOCK SWITCH (EXCEPT BASE) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 P36 20PK/VT DOOR LOCK SWITCH MUX
2 Z350 18BK/LG GROUND
3 F89 20OR/RD FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
4 P37 20LG DOOR LOCK SWITCH GROUND
LEFT FOG LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
A Z141 18BK GROUND
B L39 18LB FRONT FOG LAMP RELAY OUTPUT
LEFT FRONT DOOR AJAR SWITCH (BASE) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 G75 20TN DRIVER DOOR AJAR SWITCH SENSE
2 Z350 20BK/LG GROUND
LEFT FRONT DOOR LOCK MOTOR/AJAR SWITCH (EXCEPT BASE) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 G74 20TN/WT (RHD) PASSENGER DOOR AJAR SWITCH SENSE
1 G75 20TN (LHD) DRIVER DOOR AJAR SWITCH SENSE
2 Z350 20BK/LG GROUND
3 P35 18OR/VT (RHD) PASSENGER DOOR UNLOCK RELAY OUTPUT
3 P34 18PK/BK (LHD) DRIVER DOOR UNLOCK RELAY OUTPUT
4 P33 18OR/BK DOOR LOCK RELAY OUTPUT
LEFT FRONT DOOR SPEAKER (BASE)-2WAY
CAV CIRCUIT FUNCTION
1 X53 18DG LEFT FRONT SPEAKER (+)
2 X55 18BR/RD LEFT FRONT SPEAKER (-)
8Wa - 80 - 70 8W-80 CONNECTOR PIN-OUTSKJ

LEFT FRONT DOOR SPEAKER (PREMIUM) - BLACK 10 WAY
CAV CIRCUIT FUNCTION
1 X53 18DG LEFT FRONT SPEAKER (+)
2 X55 18BR/RD LEFT FRONT SPEAKER (-)
3 Z9 16BK GROUND
4 X81 18YL/BK AMPLIFIED HIGH LEFT FRONT SPEAKER (-)
5 X91 18WT/BK AMPLIFIED LOW LEFT REAR SPEAKER (-)
6 X57 18BR/LB LEFT REAR SPEAKER (-)
7 X51 18BR/YL LEFT REAR SPEAKER (+)
8 X13 16BK/RD RADIO CHOKE OUTPUT
9 X83 18YL/RD AMPLIFIED HIGH LEFT FRONT SPEAKER (+)
10 X93 18WT/RD AMPLIFIED LOW LEFT REAR SPEAKER (+)
LEFT FRONT IMPACT SENSOR - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1- -
2- -
3 R47 18DB/LB LEFT FRONT IMPACT SENSOR GROUND
4 R49 18LB LEFT FRONT IMPACT SENSOR SIGNAL
LEFT FRONT PARK/TURN SIGNAL LAMP - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 L63 18DG/RD LEFT TURN SIGNAL
2 L77 18BK/YL (EXCEPT BUILT-UP-EX-
PORT)PARK LAMP RELAY OUTPUT
3 Z141 18BK GROUND
LEFT FRONT POWER WINDOW MOTOR (MIDLINE/HIGHLINE) - LT. GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 Q21 16WT LEFT FRONT WINDOW DRIVER DOWN
2 Q11 16LB LEFT FRONT WINDOW DRIVER UP
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-71

LEFT FRONT WHEEL SPEED SENSOR (ABS) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 B9 18RD LEFT FRONT WHEEL SPEED SENSOR 12 VOLT SUP-
PLY
2 B8 18RD/DB LEFT FRONT WHEEL SPEED SENSOR SIGNAL
LEFT HEADLAMP (BUILT-UP-EXPORT)-3WAY
CAV CIRCUIT FUNCTION
1 L33 18LG/BR FUSED LEFT HIGH BEAM OUTPUT
2 L43 18VT FUSED LEFT LOW BEAM OUTPUT
3 Z141 18BK GROUND
LEFT HEADLAMP (EXCEPT BUILT-UP-EXPORT) - BLUE 3 WAY
CAV CIRCUIT FUNCTION
A L43 18VT FUSED LEFT LOW BEAM OUTPUT
B Z141 18BK GROUND
C L33 18LG/BR FUSED LEFT HIGH BEAM OUTPUT
LEFT HEATED SEAT ASSEMBLY (HIGHLINE) - LT. GRAY 4 WAY
CAV CIRCUIT FUNCTION
1 F99 16RD/YL DRIVER HEATED SEAT FEED
2 Z238 16BK/WT GROUND
3 P86 20PK/BK HEATED SEAT TEMPERATURE SENSOR SIGNAL
4 P141 20TN/LB DRIVER HEATED SEAT TEMPERATURE SENSOR
GROUND
LEFT HEATED SEAT SWITCH (HIGHLINE) - BLACK 8 WAY
CAV CIRCUIT FUNCTION
1 V23 20BR/PK FUSED IGNITION SWITCH OUTPUT (RUN)
2 P139 20VT/WT LEFT SEAT HIGH HEAT LED DRIVER
3 P133 20TN/DG LEFT SEAT HEATER SWITCH MUX
4 P137 20VT/DG LEFT SEAT LOW HEAT LED DRIVER
5 Z238 20BK/WT GROUND
6- -
7- -
8- -
8Wa - 80 - 72 8W-80 CONNECTOR PIN-OUTSKJ

LEFT INSTRUMENT PANEL SPEAKER - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 X53 18DG (BASE) LEFT FRONT SPEAKER (+)
1 X83 18YL/RD (PREMIUM) AMPLIFIED HIGH LEFT FRONT SPEAKER (+)
2 X55 18BR/RD (BASE) LEFT FRONT SPEAKER (-)
2 X81 18YL/BK (PREMIUM) AMPLIFIED HIGH LEFT FRONT SPEAKER (-)
LEFT LEVELING MOTOR (BUILT-UP-EXPORT) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 Z141 18BK GROUND
2 L13 18BR/YL HEADLAMP ADJUST SIGNAL
3 L77 18BK/YL FUSED PARK LAMP RELAY OUTPUT
LEFT POSITION LAMP (BUILT-UP-EXPORT) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L77 18BK/YL FUSED PARK LAMP RELAY OUTPUT
2 Z141 18BK GROUND
LEFT POWER MIRROR (EXCEPT BASE) - WHITE 8 WAY
CAV CIRCUIT FUNCTION
1 P71 20YL/DG LEFT MIRROR UP DRIVER
2 P76 20OR/YL MIRROR COMMON DRIVER
3 P75 20LB/WT LEFT MIRROR LEFT DRIVER
4- -
5 C16 20LB/YL FUSED DEFOGGER RELAY OUTPUT
6 Z350 20BK/LG GROUND
7 P99 20GY (WITH FOLD) FOLDING MIRROR FEED
8 P110 20YL (WITH FOLD) FOLDING MIRROR RETURN
KJ8W-80 CONNECTOR PIN-OUTS8Wa-80-73