Page 1004 of 4284

Symptom:
HEADLAMP WASHER RELAY SHORT TO BATT
POSSIBLE CAUSES
FUSED B+ CIRCUIT OPEN
HEADLAMP WASHER RELAY CONTROL CIRCUIT OPEN
HEADLAMP WASHER PUMP MOTOR
HEADLAMP WASHER RELAY
FRONT CONTROL MODULE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
Disconnect the Headlamp Washer Relay.
Measure the voltage of the Fused B+ Circuit.
Is the voltage above 10.0 volts?All
Ye s®Go To 2
No®Repair the Fused B+ Circuit for an open condition.
Perform BODY VERIFICATION TEST - VER 1.
2 Turn the ignition off.
Disconnect the Headlamp Washer Relay.
Disconnect the FCM harness connector.
Measure the resistance of the Headlamp Washer Relay Control Circuit.
Is the resistance below 5.0 ohms?All
Ye s®Go To 3
No®Repair the Headlamp Washer Relay Control Circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3 Turn the ignition on.
Disconnect the Headlamp Washer Pump Motor connector.
Actuate the washers.
Measure the voltage of the Washer Pump Output Circuit.
Is the voltage above 10.0 volts?All
Ye s®Replace the Headlamp Washer Pump Motor.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 4
4 Turn the ignition off.
Install a known good relay in place of the Headlamp Washer Relay.
Turn the Washers on.
Do the Headlamp Washers operate normally?All
Ye s®Replace the Headlamp Washer Relay.
Perform BODY VERIFICATION TEST - VER 1.
No®Replace the Front Control Module.
Perform BODY VERIFICATION TEST - VER 1.
975
WINDSHIELD WIPER & WASHER
Page 1045 of 4284

BODY CONTROL MODULE C4 - BLACK/GRAY 34 WAYCAV CIRCUIT FUNCTION
1 E18 20OR/LB (POWER
MIRRORS)PANEL LAMPS DRIVER (MIRROR SWITCH)
2 E12 20OR/GY PANEL LAMPS DRIVER (HVAC)
3 E19 20OR/BR PANEL LAMPS DRIVER (HEADLAMP SWITCH)
4 D9 20WT/GY RKE MODULE PROGRAM ENABLE
5 G150 20VT/BR INSTRUMENT CLUSTER WAKE UP SENSE
6 E17 20OR/YL (EXCEPT
BUILT-UP-EXPORT)PARADE MODE SIGNAL (RADIO)
7 P162 20LG/DG (BUILT-UP-
EXPORT)PASSENGER FOLDING MIRROR RELAY CONTROL
8 G69 20VT/WT (HIGH LINE) VTSS INDICATOR DRIVER
9 L161 20WT/LG LEFT TURN INDICATOR DRIVER
10 F504 20GY/PK IGNITION SWITCH OUTPUT (RUN)
11 E14 20OR/TN PANEL LAMPS DRIVER (RADIO)
12 E13 20OR/YL PANEL LAMPS DRIVER (INSTRUMENT CLUSTER)
13 X920 20GY/OR RADIO CONTROL MUX RETURN
14 G900 20VT/OR IGNITION SWITCH SENSE RETURN
15 - -
16 - -
17 L160 20WT/TN RIGHT TURN INDICATOR DRIVER
18 M26 20YL/DB HALO LAMP DRIVER
19 - -
20 - -
21 - -
22 G902 20VT/OR MULTI-FUNCTION SWITCH MUX RETURN
23 - -
24 - -
25 - -
26 M28 20YL/TN GLOVE BOX LAMP DRIVER
27 - -
28 - -
29 - -
30 - -
31 G96 20VT/DG REMOTE KEYLESS ENTRY INTERFACE
32 B27 20DG/WT TRACTION CONTROL SWITCH SENSE
33 P136 20TN/YL (BUILT-UP-
EXPORT)FOLDING MIRROR SWITCH SENSE
34 G26 20VT/OR CHIME DRIVER
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CONNECTOR PINOUTS
Page 1046 of 4284
BODY CONTROL MODULE C5 - BLACK/BLACK 34 WAYCAV CIRCUIT FUNCTION
1 L91 20WT/DB HAZARD SWITCH SENSE
2- -
3- -
4- -
5- -
6- -
7- -
8- -
9- -
10 G20 20VT/BR IGNITION SWITCH SENSE
11 - -
12 - -
13 - -
14 - -
15 - -
16 G926 20VT/WT REAR WIPER SWITCH MUX RETURN
17 L900 20WT/YL HEADLAMP SWITCH MUX RETURN
18 L307 20WT/BR HEADLAMP SWITCH MUX
19 - -
20 - -
21 - -
22 - -
23 - -
24 - -
25 L36 20WT/DB (BUILT-UP-
EXPORT)REAR FOG LAMP INDICATOR DRIVER
26 X20 20GY/WT RADIO CONTROL MUX
27 G194 20VT/LG HIGH BEAM/FRONT WASHER SWITCH MUX
28 W26 20BR/DB REAR WIPER SWITCH MUX
29 W52 20BR/YL FRONT WIPER SWITCH MUX
30 E2 20OR/BR PANEL LAMPS DIMMER SIGNAL
31 L305 20WT/LB TURN SIGNAL SWITCH MUX
32 - -
33 - -
34 L39 20WT/OR (HIGH LINE) FRONT FOG LAMP INDICATOR DRIVER
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1017
CONNECTOR PINOUTS
Page 1072 of 4284

HEADLAMP SWITCH - BLACK 13 WAYCAV CIRCUIT FUNCTION
1 Z403 20BK/YL (BUILT-UP-
EXPORT)GROUND
2 L78 20WT/OR (BUILT-UP-
EXPORT)FUSED PARK LAMP RELAY OUTPUT
3- -
4 Z407 18BK/OR GROUND
5 L36 20WT/DB (BUILT-UP-
EXPORT)REAR FOG LAMP INDICATOR DRIVER
6 L900 20WT/YL HEADLAMP SWITCH MUX RETURN
7 L13 20WT/YL (BUILT-UP-
EXPORT)HEADLAMP ADJUST SIGNAL
8 E19 20OR/BR PANEL LAMPS DRIVER (HEADLAMP SWITCH)
9- -
10 L39 20WT/OR (HIGH LINE) FRONT FOG LAMP INDICATOR DRIVER
11 L307 20WT/BR HEADLAMP SWITCH MUX
12 E2 20OR/BR PANEL LAMPS DIMMER SIGNAL
13 - -
HEADLAMP WASHER PUMP MOTOR (BUILT-UP-EXPORT) - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 V53 12BR/OR HEADLAMP WASHER RELAY OUTPUT
2 Z243 12BK/OR GROUND
IGNITION SWITCH - BLACK 5 WAYCAV CIRCUIT FUNCTION
1 G900 20VT/OR IGNITION SWITCH SENSE RETURN
2 G20 20VT/BR IGNITION SWITCH SENSE
3 F20 20PK/WT (LHD) IGNITION SWITCH OUTPUT (RUN-START)
3 F20 20PK/WT IGNITION SWITCH OUTPUT (RUN-START)
4 T751 20YL IGNITION SWITCH OUTPUT (START)
5 A106 20LB/RD FUSED B(+)
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1043
CONNECTOR PINOUTS
Page 1074 of 4284

INTELLIGENT POWER MODULE C2 - GREEN/BLUE 10 WAYCAV CIRCUIT FUNCTION
1 N173 18DB/VT (EXCEPT
BUILT-UP-EXPORT/GAS)RADIATOR FAN RELAY CONTROL
1 N173 16DB/VT (BUILT-UP-
EXPORT/GAS)RADIATOR FAN RELAY CONTROL
2 V53 12BR/OR (BUILT-UP-
EXPORT)HEADLAMP WASHER RELAY OUTPUT
3 L60 18WT/TN (EXCEPT
BUILT-UP-EXPORT)RIGHT FRONT TURN SIGNAL DRIVER
3 L60 16WT/TN (BUILT-UP-
EXPORT)RIGHT FRONT TURN SIGNAL DRIVER
4 L13 18WT/YL (BUILT-UP-
EXPORT)HEADLAMP ADJUST SIGNAL
5 X2 18DG/OR HORN RELAY OUTPUT
6 L90 18WT/OR (FOG
LAMPS)FRONT FOG LAMP RELAY OUTPUT
7 L61 18WT/LG (EXCEPT
BUILT-UP-EXPORT)LEFT FRONT TURN SIGNAL DRIVER
7 L61 16WT/LG (BUILT-UP-
EXPORT)LEFT FRONT TURN SIGNAL DRIVER
8- -
9 A112 12OR/RD FUSED B(+)
10 L89 18WT/YL (FOG
LAMPS)FRONT FOG LAMP RELAY OUTPUT
INTELLIGENT POWER MODULE C3 (DIESEL) - YELLOW/RED 20 WAYCAV CIRCUIT FUNCTION
1 N21 20DB/TN LIFT PUMP RELAY CONTROL
2- -
3 T751 20YL IGNITION SWITCH OUTPUT (START)
4 T2 18DG/WT TRS REVERSE SENSE
5 N2 18DB/YL LIFT PUMP RELAY OUTPUT
6 F202 18PK/GY IGNITION SWITCH OUTPUT (RUN-START)
7 C3 18DB/YL A/C COMPRESSOR CLUTCH RELAY OUTPUT
8 Z114 18BK/LG GROUND
9 C13 20LB/OR A/C COMPRESSOR CLUTCH RELAY CONTROL
10 A119 16RD/OR FUSED B(+)
11 C41 20LB/DG CABIN HEATER ASSIST CONTROL
12 T753 20DG/YL IGNITION SWITCH OUTPUT (START)
13 - -
14 T752 20DG/OR ENGINE STARTER MOTOR RELAY CONTROL
15 Z116 18BK/VT GROUND
16 K51 20BR/WT ECM/PCM RELAY CONTROL
17 F202 18PK/GY IGNITION SWITCH OUTPUT (RUN-START)
18 - -
19 K342 16BR/WT ECM/PCM RELAY OUTPUT
20 - -
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1045
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Page 1076 of 4284

INTELLIGENT POWER MODULE C6 - NATURAL 10 WAYCAV CIRCUIT FUNCTION
1 A101 12VT/RD FUSED B(+)
2 Z117 16BK/WT GROUND
3 Z118 16BK/YL GROUND
4 A110 12OR/RD (POWER
SEAT)FUSED B(+)
5- -
6- -
7 C7 12DB FUSED FRONT BLOWER MOTOR RELAY OUTPUT
8 F307 16LB/PK (BATTERY
POSITION)FUSED B(+)
8 F307 16LB/PK (ACCESSO-
RY RELAY POSITION)FUSED ACCESORY RELAY OUTPUT
9 A113 12WT/RD (POWER
SLIDING DOOR)FUSED B(+)
10 - -
INTELLIGENT POWER MODULE C7 - BLACK/RED 20 WAYCAV CIRCUIT FUNCTION
1 C16 20DB/GY (EXCEPT
BUILT-UP-EXPORT)FUSED REAR WINDOW DEFOGGER RELAY OUTPUT
1 C16 18DB/GY (BUILT-UP-
EXPORT)FUSED REAR WINDOW DEFOGGER RELAY OUTPUT
2 T751 20YL (EXCEPT
BUILT-UP-EXPORT)IGNITION SWITCH OUTPUT (START)
2 T141 20YL/OR (BUILT-UP-
EXPORT)IGNITION SWITCH OUTPUT (START)
3 D25 20WT/VT PCI BUS
4 L13 20WT/YL (BUILT-UP-
EXPORT)HEADLAMP ADJUST SIGNAL
5 K32 18DB/YL (GAS) BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID CONTROL
6- -
7 W7 20BR/GY FRONT WIPER PARK SWITCH SENSE
8 B20 20DG/OR BRAKE FLUID LEVEL SWITCH SENSE
9 F201 18PK/OR FCM OUTPUT (RUN-START)
10 F214 18PK/LG FCM OUTPUT (RUN-START)
11 A106 20LB/RD FUSED B(+)
12 - -
13 F2 18PK/WT (GAS) FCM OUTPUT (UNLOCK-RUN-START)
14 - -
15 A114 16GY/RD FUSED B(+) (I.O.D.)
16 D23 20WT/BR FLASH PROGRAM ENABLE
17 L50 18WT/TN PRIMARY BRAKE SWITCH SIGNAL
18 X1 16DG/BR (PREMIUM 8
SPEAKER)NAME BRAND SPEAKER RELAY OUTPUT
19 X3 20DG/VT HORN SWITCH SENSE
20 F100 18PK/VT FCM OUTPUT (RUN)
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1047
CONNECTOR PINOUTS
Page 1079 of 4284
LEFT FRONT DOOR LOCK MOTOR/AJAR SWITCH (EXCEPT BASE) - BLACK 4 WAYCAV CIRCUIT FUNCTION
1 G75 20VT LEFT FRONT DOOR AJAR SWITCH SENSE
2 Z75 20BK/VT GROUND
3 P1 20TN/LG LEFT FRONT DOOR UNLOCK DRIVER
4 P3 20TN/WT LEFT FRONT DOOR LOCK DRIVER
LEFT FRONT PARK/TURN SIGNAL LAMP (EXCEPT BUILT-UP-EXPORT) - BLACK 3 WAYCAV CIRCUIT FUNCTION
1 L61 18WT/LG LEFT FRONT TURN SIGNAL DRIVER
2 L77 18WT/BR FUSED PARK LAMP RELAY OUTPUT (LEFT)
3 Z377 18BK/BR GROUND
LEFT FULL OPEN SWITCH (POWER SLIDING DOOR) - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 Q53 20OR LEFT FULL OPEN SWITCH SENSE
2 Z77 20BK/GY GROUND
LEFT HEADLAMP (EXCEPT BUILT-UP-EXPORT) - BLACK 3 WAYCAV CIRCUIT FUNCTION
1 L43 18WT/DB LEFT LOW BEAM DRIVER
2 Z343 18BK/LG GROUND
3 L33 18WT/LG LEFT HIGH BEAM DRIVER
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1050
CONNECTOR PINOUTS
Page 1091 of 4284

OCCUPANT RESTRAINT CONTROLLER - YELLOW/RED 23 WAYCAV CIRCUIT FUNCTION
1 R54 18LB/YL PASSENGER SEAT BELT TENSIONER LINE 2
2 R56 18LB/DG PASSENGER SEAT BELT TENSIONER LINE 1
3 R62 18LB/VT PASSENGER SQUIB 2 LINE 2
4 R64 18LB/WT PASSENGER SQUIB 2 LINE 1
5 R42 18LB/BR PASSENGER SQUIB 1 LINE 2
6 R44 18LB/OR PASSENGER SQUIB 1 LINE 1
7 R53 18LG/YL DRIVER SEAT BELT TENSIONER LINE 2
8 R55 18LG/DG DRIVER SEAT BELT TENSIONER LINE 1
9 R61 18LG/VT DRIVER SQUIB 2 LINE 1
10 R63 18LG/WT DRIVER SQUIB 2 LINE 2
11 R43 18LG/BR DRIVER SQUIB 1 LINE 1
12 R45 18LG/OR DRIVER SQUIB 1 LINE 2
13 - -
14 F201 18PK/OR FCM OUTPUT (RUN-START)
15 F100 18PK/VT FCM OUTPUT (RUN)
16 Z12 18BK/OR GROUND
17 R59 18LG/TN DRIVER SEAT BELT SWITCH LINE 1
18 R57 18LG/GY DRIVER SEAT BELT SWITCH LINE 2
19 R60 18LB/TN PASSENGER SEAT BELT SWITCH LINE 1
20 R58 18LB/GY PASSENGER SEAT BELT SWITCH LINE 2
21 D25 18WT/VT PCI BUS
22 - -
23 - -
OVERHEAD CONSOLE (EXCEPT BASE) - BLACK 12 WAYCAV CIRCUIT FUNCTION
1 G23 20VT/DB SLIDING DOORS OVERHEAD SWITCH MUX
2 G25 20VT/TN LIFTGATE SWITCH MUX
3 D25 20WT/VT PCI BUS
4 Z113 20BK/DB GROUND
5 A114 20GY/RD FUSED B(+) (I.O.D.)
6 F503 20WT/PK IGNITION SWITCH OUTPUT (RUN)
7 Z13 20BK/WT GROUND
8 E15 20OR/DB ASH/RECEIVER LAMP FEED
9- -
10 - -
11 L24 20BK/GY (EXCEPT
BUILT-UP-EXPORT)
(PREMIUM/LUXURY)AUTOMATIC HEADLAMP SWITCH SENSOR
12 L1 20BK/WT (PREMIUM/
LUXURY)BACK-UP LAMP FEED
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1062
CONNECTOR PINOUTS