2002 JEEP GRAND CHEROKEE junction

DIAGNOSTIC JUNCTION PORT - BLACK 16 WAY
CAV CIRCUIT FUNCTION
1 D25 20YL/VT/BR PCI BUS (PCM/ECM TCM PDM CD SKIM)
2 D25 20YL/VT/DG (AZC) PCI BUS (AZC)
3 D25 20YL/VT/DB PCI BUS (RADIO)
4 D25 20YL/VT/OR PCI BUS (ACM)
5 D25 20YL/VT/RD PCI BUS (MIC)
6 D25 20YL/VT/WT PCI BUS (BCM)
7 D25 20YL/VT PCI BUS (DLC)
8 D25 20YL/VT/GY PCI BUS (DDM ABS MEM EVIC APM ITM RAIN
SENSOR)
9- -
10 - -
11 D25 20YL/VT (DIESEL) PCI BUS (SHIFTER ASSEMBLY)
12 - -
13 - -
14 - -
15 - -
16 - -
DRIVER AIRBAG SQUIB 1 - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 R43 20BK DRIVER SQUIB 1 LINE 1
2 R45 20BK DRIVER SQUIB 1 LINE 2
DRIVER AIRBAG SQUIB 2 - GREEN 2 WAY
CAV CIRCUIT FUNCTION
1 R63 20TN/LB DRIVER SQUIB 2 LINE 2
2 R61 20OR/LB DRIVER SQUIB 2 LINE 1
8W - 80 - 66 8W-80 CONNECTOR PIN-OUTWJ

INTAKE PORT SWIRL ACTUATOR (DIESEL) - BLACK 3 WAY
CAV CIRCUIT FUNCTION
1 Z18 18BK GROUND
2 F15 18RD/DG FUSED AUTO SHUT DOWN RELAY OUTPUT
3 K900 18GY INTAKE PORT SWIRL ACTUATOR SIGNAL
INTRUSION TRANSCEIVER MODULE (BUILT-UP-EXPORT) - BLACK 6 WAY
CAV CIRCUIT FUNCTION
1 Z155 20BK GROUND
2- -
3 X75 20GY/LG SIREN SIGNAL CONTROL
4- -
5 D25 20YL/VT PCI BUS
6 F70 20PK FUSED B(+)
JUNCTION BLOCK BODY CONTROL MODULE - BLACK 26 WAY
CAV CIRCUIT FUNCTION
1 L308 PARK LAMP RELAY CONTROL
2 L26 FOG LAMP RELAY CONTROL
3 Q29 ACCESSORY DELAY RELAY CONTROL
4 L307 LOW BEAM RELAY CONTROL
5 G5 FUSED IGNITION SWITCH OUTPUT (RUN-START)
6 X4 HORN RELAY CONTROL
7 V16 WIPER HIGH/LOW RELAY CONTROL
8 G80 LIFTGATE FLIP-UP AJAR SWITCH SENSE
9 L11 HIGH BEAM RELAY CONTROL
10 L91 HAZARD SWITCH SENSE
11 C80 REAR WINDOW DEFOGGER RELAY CONTROL
12 Z2 GROUND
13 L96 (BUILT-UP-EXPORT) REAR FOG LAMP RELAY CONTROL
14 L7 PARK LAMP RELAY OUTPUT
15 Z1 GROUND
16 M2 COURTESY LAMP DRIVER
17 - -
18 - -
19 M20 COURTESY LAMP LOAD SHED
20 V55 WIPER PARK SWITCH SENSE
21 G78 LIFTGATE AJAR SWITCH SENSE
22 G10 SEAT BELT SWITCH SENSE
23 G77 LEFT REAR DOOR AJAR SWITCH SENSE
24 G73 LIFTGATE COURTESY DISABLE
25 V23 FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
26 M1 FUSED B(+)
8W - 80 - 86 8W-80 CONNECTOR PIN-OUTWJ

JUNCTION BLOCK C1 - BLACK 52 WAY
CAV CIRCUIT FUNCTION
1 Q30 16TN ACCESSORY DELAY RELAY OUTPUT
2 L63 18DG/RD LEFT TURN SIGNAL
3- -
4- -
5 L95 18DG/YL (BUILT-UP-EXPORT) REAR FOG LAMP RELAY OUTPUT
6- -
7- -
8- -
9 G73 20LG/OR LIFTGATE COURTESY DISABLE
10 G77 20TN/OR LEFT REAR DOOR AJAR SWITCH SENSE
11 L7 18BK/YL PARK LAMP RELAY OUTPUT
12 - -
13 - -
14 - -
15 F37 16RD (LHD EXCEPT BASE) FUSED B(+)
15 F37 16RD/LB (RHD) FUSED B(+)
16 M2 18YL (RHD) COURTESY LAMP DRIVER
16 M2 20YL/DG (LHD) COURTESY LAMP DRIVER
17 - -
18 - -
19 - -
20 - -
21 - -
22 F22 20WT/PK (RHD) FUSED IGNITION SWITCH OUTPUT (RUN)
23 - -
24 G80 20VT/YL LIFTGATE FLIP-UP AJAR SWITCH SENSE
25 G78 20TN/BK LIFTGATE AJAR SWITCH SENSE
26 M20 18YL/BK (RHD) COURTESY LAMP LOAD SHED
26 M20 20YL/BK (LHD) COURTESY LAMP LOAD SHED
27 - -
28 - -
29 - -
30 G5 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
31 - -
32 M1 18PK/RD (RHD) FUSED B(+)
33 - -
34 - -
35 F9 14RD/BK FUSED B(+)
36 F70 18PK FUSED B(+)
37 - -
38 - -
39 - -
40 - -
41 F30 14RD/TN (LHD) CIGAR LIGHTER RELAY OUTPUT
41 F30 16RD/TN (RHD) CIGAR LIGHTER RELAY OUTPUT
42 - -
43 - -
44 - -
45 - -
46 - -
47 - -
48 - -
49 - -
50 C15 12BK/WT REAR WINDOW DEFOGGER RELAY OUTPUT
51 - -
52 - -
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 87

JUNCTION BLOCK C2 (LHD) - BLACK 52 WAY
CAV CIRCUIT FUNCTION
1 X3 22GY/OR HORN RELAY CONTROL
2- -
3 L39 20LB FOG LAMP RELAY OUTPUT
4- -
5 L61 20TN/LG LEFT TURN SIGNAL
6- -
7- -
8 V6 16DB FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
9 V6 16DB (GAS) FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
10 L62 18BR/RD RIGHT TURN SIGNAL
11 F991 20OR/DB FUSED IGNITION SWITCH OUTPUT (RUN-START)
12 L39 20LB FOG LAMP RELAY OUTPUT
13 - -
14 - -
15 V16 22VT WIPER HIGH/LOW RELAY CONTROL
16 - -
17 - -
18 - -
19 - -
20 L7 20BK/YL PARK LAMP RELAY OUTPUT
21 L7 20BK/YL PARK LAMP RELAY OUTPUT
22 - -
23 - -
24 F37 16RD/LB (EXCEPT BASE) FUSED B(+)
25 F22 20WT/PK FUSED IGNITION SWITCH OUTPUT (RUN)
26 L60 20TN RIGHT TURN SIGNAL
27 F45 20YL/RD FUSED IGNITION SWITCH OUTPUT (START)
28 V55 16TN/RD WIPER PARK SWITCH SENSE
29 - -
30 - -
31 F72 16RD/YL FUSED B(+)
32 M1 20PK/RD FUSED B(+)
33 V55 16TN/RD (GAS) WIPER PARK SWITCH SENSE
34 - -
35 - -
36 A146 12OR/WT FUSED B(+)
37 - -
38 L34 18RD/OR FUSED RIGHT HIGH BEAM OUTPUT
39 L43 18VT FUSED LEFT LOW BEAM OUTPUT
40 - -
41 - -
42 F20 18DB/PK FUSED IGNITION SWITCH OUTPUT (RUN)
43 F12 20DB/WT FUSED IGNITION SWITCH OUTPUT (RUN-START)
44 - -
45 A146 12OR/WT FUSED B(+)
46 - -
47 F32 20PK/DB FUSED B(+)
48 - -
49 L44 18VT/RD FUSED RIGHT LOW BEAM OUTPUT
50 L33 18RD FUSED LEFT HIGH BEAM OUTPUT
51 - -
52 F60 14RD/WT (EXCEPT BASE) FUSED B(+)
8W - 80 - 88 8W-80 CONNECTOR PIN-OUTWJ

JUNCTION BLOCK C2 (RHD) - BLACK 52 WAY
CAV CIRCUIT FUNCTION
1 X3 22BK/RD HORN RELAY CONTROL
2- -
3 L39 20LB FOG LAMP RELAY OUTPUT
4- -
5 L61 20TN/LG LEFT TURN SIGNAL
6- -
7- -
8 V6 16DB FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
9 V6 16DB (GAS) FUSED IGNITION SWITCH OUTPUT (RUN-ACC)
10 L62 20BR/RD RIGHT TURN SIGNAL
11 F991 20OR/DB (GAS) FUSED IGNITION SWITCH OUTPUT (RUN-START)
12 L39 20LB FOG LAMP RELAY OUTPUT
13 - -
14 - -
15 V16 22VT -
16 - -
17 - -
18 - -
19 - -
20 L7 20BK/YL PARK LAMP RELAY OUTPUT
21 L7 18BK/YL PARK LAMP RELAY OUTPUT
22 - -
23 - -
24 F37 16RD/LB FUSED B(+)
25 F22 18WT/TN FUSED IGNITION SWITCH OUTPUT (RUN)
26 L60 20TN RIGHT TURN SIGNAL
27 F45 20YL/RD FUSED IGNITION SWITCH OUTPUT (START)
28 V55 16TN/RD WIPER PARK SWITCH SENSE
29 - -
30 - -
31 - -
32 M1 20PK/RD FUSED B(+)
33 V55 16TN/RD (GAS) WIPER PARK SWITCH SENSE
34 - -
35 - -
36 A146 12OR/WT FUSED B(+)
37 - -
38 L34 18RD/OR FUSED RIGHT HIGH BEAM OUTPUT
39 L43 18VT FUSED LEFT LOW BEAM OUTPUT
40 - -
41 - -
42 F20 18DB/PK FUSED IGNITION SWITCH OUTPUT (RUN)
43 F12 20DB/WT (GAS) FUSED IGNITION SWITCH OUTPUT (RUN-START)
44 - -
45 A146 12OR/WT FUSED B(+)
46 - -
47 F32 20PK/DB FUSED B(+)
48 - -
49 L44 18VT/RD FUSED RIGHT LOW BEAM OUTPUT
50 L33 18RD FUSED LEFT HIGH BEAM OUTPUT
51 - -
52 F60 16RD/WT FUSED B(+)
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 89

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

JUNCTION BLOCK C4 - WHITE 2 WAY
CAV CIRCUIT FUNCTION
1 A148 10PK/WT FUSED B(+)
2 A148 10OR/WT FUSED B(+)
JUNCTION BLOCK C5 - WHITE 3 WAY
CAV CIRCUIT FUNCTION
1 A145 10WT/RD FUSED B(+)
2 A149 12RD/TN FUSED B(+)
3 A147 10RD/GY FUSED B(+)
KNOCK SENSOR - BLACK 4 WAY
CAV CIRCUIT FUNCTION
1 K4 18BK/LB SENSOR GROUND
2 K42 18DB/LG KNOCK SENSOR NO. 1 SIGNAL
3 K4 18BK/LB SENSOR GROUND
4 K142 18GY/BK KNOCK SENSOR NO. 2 SIGNAL
LEAK DETECTION PUMP (EXCEPT BUILT-UP-EXPORT)-4WAY
CAV CIRCUIT FUNCTION
1- -
2 K125 18OR/DG GENERATOR SOURCE
3 K106 20WT/DG LEAK DETECTION PUMP SOLENOID CONTROL
4 K107 20OR/YL LEAK DETECTION PUMP SWITCH SENSE
LEFT COURTESY LAMP - BLACK 2 WAY
CAV CIRCUIT FUNCTION
1 F70 20PK/BK FUSED B(+)
2 M2 20YL COURTESY LAMP DRIVER
WJ8W-80 CONNECTOR PIN-OUT 8W - 80 - 91

CONNECTOR NAME/
NUMBERCOLOR LOCATION FIG.
Blower Motor Controller (AZC) BK Behind Right Hand Side of
Instrument PanelN/S
Blower Motor Resistor Block
(MTC)BK Behind Right Hand Side of
Instrument PanelN/S
Body Control Module - C1 GY Lower Left Side of Instrument Panel 21, 22
Body Control Module-C2 -LHD WT Lower Left Side of Instrument Panel 21
Body Control Module-C2 -
RHDGY Lower Left Side of Instrument Panel 22
Boost Pressure Sensor
(Diesel)BK Top Front of Engine N/S
Brake Lamp Switch GY Brake Pedal Arm 31
C100 BK Right Front Engine Compartment 2, 5
C101 (4.0L RHD) LTGY Rear of Engine Compartment 15
C101 (4.7L RHD) BK Rear of Engine Compartment N/S
C102 (Diesel) BK Left Rear Engine Compartment 4, 7
C102 (Gas) BK Right Rear Engine Compartment 5, 10, 11, 14, 15, 18
C103 (Diesel) LTGY Rear of Engine 4, 7
C103 (Gas) GY Right Rear Engine Compartment 5, 10 11, 14, 15
C104 LTGY Right Rear Engine Compartment 14 18
C105 (Diesel) GY Right Rear Engine Compartment 4, 7, 8
C106 (Diesel) GY Lower Right Instrument Panel N/S
C106 (Gas RHD) GY Lower Right Instrument Panel N/S
C107 (Diesel) GY Left Rear Engine Compartment 4
C107 (LHD) BK Passenger Side Near Kick Panel 3, 30, 35
C107 (RHD) GY Passenger Side Near Kick Panel 3, 31
C108 BK Left Cowl 3, 4
C109 BK Near Transfer Case switch 12
C110 (Diesel) GY Top of Engine Near Glow Plugs 4, 7
C111 BK Left Front Frame Near Windshield
Washer Pump1, 3, 4
C112 BK Right Front Frame Near Horns 1, 5
C113 (Diesel) LTGY Rear of Engine 7, 8
C200 - LHD GY Passenger Side Near Kick Panel 19, 21, 35
C200 - RHD BK Passenger Side Near Kick Panel 20, 22
C201) WT Below Center Floor Console, Near
Park Brake19, 20, 21, 22
C202 WT HVAC Unit, Right Side of Instrument
Panel19, 20, 21, 22
C203 (AZC) WT HVAC Unit, Right Side of Instrument
Panel19, 20, 21, 22
C300 (LHD) GY Near Junction Block 30, 33
C301 (RHD) BK Near Junction Block 31
C302 BK At Driver Door 24, 25, 30, 31
8W - 91 - 2 8W-91 CONNECTOR/GROUND/SPLICE LOCATIONWJ
CONNECTOR/GROUND/SPLICE LOCATION (Continued)