relay JEEP GRAND CHEROKEE 2003 WJ / 2.G Workshop Manual

JUNCTION BLOCK C3 - BLACK 52 WAY
CAV CIRCUIT FUNCTION
1 F22 20WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
2- -
3 L60 20TN RIGHT TURN SIGNAL
4 L302 20LB/YL RIGHT TURN SWITCH SENSE
5 L61 20TN/LG LEFT TURN SIGNAL
6 L91 20DB/PK HAZARD SWITCH SENSE
7- -
8 L305 20LB/WT LEFT TURN SWITCH SENSE
9- -
10 L309 20PK/LG HIGH BEAM RELAY CONTROL
11 F23 18DB/YL FUSED IGNITION SWITCH OUTPUT (RUN)
12 F22 20WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
13 - -
14 F85 16VT/WT FUSED B(+)
15 C79 20BK/WT FUSED REAR WINDOW DEFOGGER RELAY OUTPUT
16 - -
17 - -
18 - -
19 - -
20 - -
21 - -
22 - -
23 - -
24 A31 12RD/BK IGNITION SWITCH OUTPUT (RUN-ACC)
25 F60 16RD/WT FUSED B(+)
26 - -
27 A41 12YL IGNITION SWITCH OUTPUT (START)
28 F14 20LG/YL FUSED IGNITION SWITCH OUTPUT (RUN-START)
29 A22 12BK/OR IGNITION SWITCH OUTPUT (RUN)
30 F991 18OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
31 Z234 20BK GROUND
32 F33 20PK/RD FUSED B(+)
33 X12 16WT/RD FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
34 M1 20PK FUSED B(+)
35 M1 20PK (AZC) FUSED B(+)
36 A21 12DB IGNITION SWITCH OUTPUT (RUN-START)
37 - -
38 F70 20PK/BK FUSED B(+)
39 X3 20GY/OR HORN RELAY CONTROL
40 F30 16RD FUSED CIGAR LIGHTER RELAY OUTPUT
41 F33 20PK/RD FUSED B(+)
42 - -
43 V23 20BR/PK FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
44 M1 20PK FUSED B(+)
45 Z132 20BK/OR GROUND
46 - -
47 - -
48 F70 20PK/BK FUSED B(+)
49 - -
50 G5 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
51 G5 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
52 F12 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
8W - 80 - 90 8W-80 CONNECTOR PIN-OUTWJ

LEFT DOOR HANDLE COURTESY LAMP - WHITE 3 WAY
CAV CIRCUIT FUNCTION
1 F70 20PK/BK FUSED B(+)
2 M20 20YL/BK COURTESY LAMP LOAD SHED
3 M2 20YL/DG COURTESY LAMP DRIVER
LEFT FOG LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L39 20LB FOG LAMP RELAY OUTPUT
2 Z141 20BK (DIESEL/4.7L RHD) GROUND
2 Z141 18BK (EXCEPT DIESEL/4.7L RHD) GROUND
LEFT FRONT DOOR SPEAKER - WHITE 3 WAY
CAV CIRCUIT FUNCTION
1 X55 18LG/DG (BASE) LEFT FRONT DOOR SPEAKER (-)
1 X85 18LB/BK (RHD PREMIUM) LEFT FRONT DOOR SPEAKER (-)
1 X85 18LG/DG (LHD PREMIUM) LEFT FRONT DOOR SPEAKER (-)
2- -
3 X53 18LG/RD (BASE) LEFT FRONT DOOR SPEAKER (+)
3 X87 18LB/RD (RHD PREMIUM) LEFT FRONT DOOR SPEAKER (+)
3 X87 18LG/RD (LHD PREMIUM) LEFT FRONT DOOR 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 LAMP - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 Z1 18BK GROUND
2 L7 20BK/PK PARK LAMP RELAY OUTPUT
8W - 80 - 92 8W-80 CONNECTOR PIN-OUTWJ

LEFT FRONT PARK/TURN SIGNAL LAMP (EXCEPT BUILT-UP-EXPORT) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 L7 20BK/PK PARK LAMP RELAY CONTROL
2 Z1 18BK GROUND
3 L61 20TN/LG LEFT TURN SIGNAL
LEFT FRONT SIDE MARKER LAMP (EXCEPT BUILT-UP-EXPORT) - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 L7 20BK/PK PARK LAMP RELAY OUTPUT
2 L61 20TN/LG LEFT TURN SIGNAL
LEFT FRONT TURN SIGNAL LAMP (BUILT-UP-EXPORT) - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 L61 20TN/LG LEFT TURN SIGNAL
2 Z1 18BK GROUND
LEFT FRONT WHEEL SPEED SENSOR - GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 B9 18RD LEFT FRONT WHEEL SPEED SENSOR 12 VOLT
SUPPLY
2 B8 18RD/DB LEFT FRONT WHEEL SPEED SENSOR SIGNAL
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 93

LEFT HEADLAMP LEVELING MOTOR (BUILT-UP-EXPORT) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 Z1 18BK GROUND
2 L114 18VT/DB HEADLAMP ADJUST SIGNAL
3 L7 20BK/PK PARK LAMP RELAY OUTPUT
LEFT HIGH BEAM HEADLAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
A Z1 18BK GROUND
B L33 18RD FUSED LEFT HIGH BEAM OUTPUT
LEFT INSTRUMENT PANEL SPEAKER - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 X83 18YL/RD LEFT INSTRUMENT PANEL SPEAKER (+)
2 X81 18YL/BK LEFT INSTRUMENT PANEL SPEAKER (-)
LEFT LIFTGATE AJAR SWITCH - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Z1 20BK GROUND
2 G78 20TN/BK LIFTGATE AJAR SWITCH SENSE
LEFT LOW BEAM HEADLAMP - GRAY 2 WAY
CAV CIRCUIT FUNCTION
A Z1 18BK GROUND
B L43 18VT FUSED LEFT LOW BEAM OUTPUT
8W - 80 - 94 8W-80 CONNECTOR PIN-OUTWJ

LEFT MULTI-FUNCTION SWITCH - WHITE 11 WAY
CAV CIRCUIT FUNCTION
1 L27 20WT/TN FOG LAMP SWITCH SENSE
2 Z234 20BK GROUND
3- -
4 L80 20WT/DG HEADLAMP SWITCH RETURN
5 L309 20PK/LG HIGH BEAM RELAY CONTROL
6 L40 20BR HIGH BEAM SWITCH SENSE
7 L302 20LB/YL RIGHT TURN SWITCH SENSE
8 L305 20LB/WT LEFT TURN SWITCH SENSE
9 L91 20DB/PK HAZARD SWITCH SENSE
10 E19 20RD PANEL LAMPS DIMMER SIGNAL
11 G52 20YL HEADLAMP SWITCH MUX
LEFT REAR DOOR LOCK MOTOR/AJAR SWITCH - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 G77 18TN/YL LEFT REAR DOOR AJAR SWITCH SENSE
2 Z1 18BK GROUND
3 P36 18PK/VT DOOR UNLOCK DRIVER
4 P35 18OR/VT DOOR LOCK DRIVER
LEFT REAR DOOR SPEAKER - WHITE 3 WAY
CAV CIRCUIT FUNCTION
1 X51 18WT/VT (BASE) LEFT REAR DOOR SPEAKER (+)
1 X91 18WT/VT (PREMIUM) LEFT REAR DOOR SPEAKER (+)
2- -
3 X57 18TN/DG (BASE) LEFT REAR DOOR SPEAKER (-)
3 X93 18TN/DG (PREMIUM) LEFT REAR DOOR SPEAKER (-)
LEFT REAR LAMP ASSEMBLY - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 L1 18VT/BK BACK-UP LAMP FEED
2 L95 18DG/YL (BUILT-UP-EXPORT) REAR FOG LAMP RELAY OUTPUT
3 L7 18BK/YL PARK LAMP RELAY OUTPUT
4 L63 18DG/RD LEFT TURN SIGNAL
5 Z150 18BK GROUND
6 L50 18WT/TN PRIMARY BRAKE SWITCH SIGNAL
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 95

LEFT REAR WHEEL SPEED SENSOR - GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 B4 18LG LEFT REAR WHEEL SPEED SENSOR 12 VOLT SUPPLY
2 B3 18LG/DB LEFT REAR WHEEL SPEED SENSOR SIGNAL
LEFT REMOTE RADIO SWITCH - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 X10 20RD/BK RADIO CONTROL MUX RETURN
2 X20 20RD/YL RADIO CONTROL MUX
LEFT SIDE REPEATER LAMP (BUILT-UP-EXPORT) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L61 18LG (DIESEL) LEFT TURN SIGNAL
1 L61 18TN/LG (GAS) LEFT TURN SIGNAL
2 Z161 18BK GROUND
LEFT VISOR/VANITY LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 F70 20PK FUSED B(+)
2 M20 20YL/BK COURTESY LAMP LOAD SHED
LICENSE LAMP NO. 1 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L7 18BK/YL PARK LAMP RELAY OUTPUT
2 Z1 18BK GROUND
8W - 80 - 96 8W-80 CONNECTOR PIN-OUTWJ

LICENSE LAMP NO. 2 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 L7 18BK/YL PARK LAMP RELAY OUTPUT
2 Z1 18BK GROUND
LIFTGATE FLIP-UP AJAR SWITCH - GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 Z1 20BK GROUND
2 G80 20VT/YL LIFTGATE FLIP-UP AJAR SWITCH SENSE
LIFTGATE FLIP-UP PUSH BUTTON SWITCH - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 P101 18OR/PK LIFTGATE FLIP-UP SWITCH OUTPUT
2 F70 18PK FUSED B(+)
LIFTGATE FLIP-UP RELEASE SOLENOID - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 Z1 18BK GROUND
2 P100 18OR/BR LIFTGATE GLASS LIMIT SWITCH OUTPUT
LIFTGATE POWER LOCK MOTOR - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 P35 18OR/VT DOOR LOCK DRIVER
2 P36 18PK/VT DOOR UNLOCK DRIVER
3 P101 18OR/PK LIFTGATE FLIP-UP SWITCH OUTPUT
4 P100 18OR/BR LIFTGATE GLASS LIMIT SWITCH OUTPUT
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 97

LINE PRESSURE SENSOR (4.7L) - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 Z114 14BK/LB GROUND
2 T138 14GY/LB 5 VOLT SUPPLY
3 T130 14VT/TN LINE PRESSURE SENSOR SIGNAL
4- -
MANIFOLD ABSOLUTE PRESSURE SENSOR (4.0L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
2 K1 18DG/RD MAP SENSOR SIGNAL
3 K7 18OR 5 VOLT SUPPLY
MANIFOLD ABSOLUTE PRESSURE SENSOR (4.7L) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 K1 18DG/RD MAP SENSOR SIGNAL
2 K4 18BK/LB SENSOR GROUND
3 K7 18OR 5 VOLT SUPPLY
MANUAL TEMPERATURE CONTROL C1 (MTC) - WHITE 11 WAY
CAV CIRCUIT FUNCTION
1 C103 20DG A/C SWITCH SIGNAL
2 Z123 20BK/OR GROUND
3 C67 20RD/LB BLEND AIR DOOR POSITION CONTROL
4 C79 20BK/WT FUSED REAR WINDOW DEFOGGER RELAY OUTPUT
5 C81 20LB/WT REAR WINDOW DEFOGGER SWITCH SENSE
6 F22 20WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
7 E2 20OR PANEL LAMPS DRIVER
8 C4 16TN BLOWER MOTOR LOW DRIVER
9 C5 16LG BLOWER MOTOR M1 DRIVER
10 C6 14LB BLOWER MOTOR M2 DRIVER
11 - -
8W - 80 - 98 8W-80 CONNECTOR PIN-OUTWJ

MANUAL TEMPERATURE CONTROL C2 (MTC) - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 Z118 12BK GROUND
2 C7 12BK/TN BLOWER MOTOR HIGH DRIVER
MASS AIR FLOW SENSOR (DIESEL) - BLACK 5 WAY
CAV CIRCUIT FUNCTION
1- -
2 F15 16RD/DG FUSED AUTO SHUT DOWN RELAY OUTPUT
3 Z189 20BR MASS AIR FLOW SENSOR GROUND
4 F855 20BR/YL SENSOR REFERENCE VOLTAGE A
5 K155 20YL/WT MASS AIR FLOW SENSOR SIGNAL
MODE DOOR MOTOR/ACTUATOR (AZC) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
A C102 20TN/BK (LHD) MODE DOOR DRIVER (B)
A C35 20DG/YL (RHD) MODE DOOR DRIVER (A)
B C35 20DG/YL (LHD) MODE DOOR DRIVER (A)
B C102 20TN/BK (RHD) MODE DOOR DRIVER (B)
NEEDLE MOVEMENT SENSOR (DIESEL) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 K67 18BR/BK NEEDLE MOVEMENT SENSOR SIGNAL
2 K68 18LG/YL NEEDLE MOVEMENT SENSOR GROUND
OUTPUT SPEED SENSOR (4.0L) - GRAY 2 WAY
CAV CIRCUIT FUNCTION
1 T13 18DB/BK SPEED SENSOR GROUND
2 T14 18LG/WT OUTPUT SPEED SENSOR SIGNAL
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 99

OUTPUT SPEED SENSOR (4.7L) - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 T14 18LG/WT OUTPUT SPEED SENSOR SIGNAL
2 T13 18DB/BK SPEED SENSOR GROUND
OVERHEAD MAP/COURTESY LAMP - WHITE 3 WAY
CAV CIRCUIT FUNCTION
1 F70 20PK FUSED B(+)
2 M20 20YL/BK COURTESY LAMP LOAD SHED
3 M2 20YL/DG COURTESY LAMP DRIVER
OXYGEN SENSOR 1/1 UPSTREAM-4WAY
CAV CIRCUIT FUNCTION
1 F142 18OR/DG 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-4WAY
CAV CIRCUIT FUNCTION
1 F142 18OR/DG (4.0L
BUILT-UP-EXPORT)FUSED AUTO SHUT DOWN RELAY OUTPUT
1 K200 18VT/OR (EXCEPT 4.0L
BUILT-UP-EXPORT)OXYGEN SENSOR DOWNSTREAM RELAY OUTPUT
2 K299 18BR/WT (4.0L
BUILT-UP-EXPORT)OXYGEN SENSOR 1/2 HEATER CONTROL
2 Z186 18BK (EXCEPT 4.0L
BUILT-UP-EXPORT)GROUND
3 K4 18BK/LB SENSOR GROUND
4 K141 18TN/WT OXYGEN SENSOR 1/2 SIGNAL
OXYGEN SENSOR 2/1 UPSTREAM-4WAY
CAV CIRCUIT FUNCTION
1 F142 18OR/DG 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
8W - 80 - 100 8W-80 CONNECTOR PIN-OUTWJ