Page 628 of 4284

TEST ACTION APPLICABILITY
15 Turn the ignition off to the lock position.
Disconnect the Body Control Module harness connector.
Disconnect the Radio harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Radio Dimming circuit.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Radio Dimming circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1.
No®Go To 16
16 If there are no possible causes remaining, view repair. All
Repair
Replace the Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
17 The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?All
Ye s®Repair as necessary.
Perform BODY VERIFICATION TEST - VER 1.
No®Test Complete.
599
INSTRUMENT CLUSTER
PANEL DIMMING OUTPUT SHORT ÐContinued
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 1062 of 4284

CD CHANGER-8WAYCAV CIRCUIT FUNCTION
1 X40 20GY/WT (EXCEPT
BUILT-UP-EXPORT)AUDIO OUT RIGHT
1 X40 24GY/WT (BUILT-UP-
EXPORT)AUDIO OUT RIGHT
2 E14 18OR/TN (EXCEPT
BUILT-UP-EXPORT)PANEL LAMPS DRIVER
2 E14 24OR/TN (BUILT-UP-
EXPORT)PANEL LAMPS DRIVER
3 D25 20WT/VT (EXCEPT
BUILT-UP-EXPORT)PCI BUS
3 D25 24VT/YL (BUILT-UP-
EXPORT)PCI BUS
4 X112 20RD (EXCEPT
BUILT-UP-EXPORT)IGNITION SWITCH OUTPUT
4 X112 24RD (BUILT-UP-
EXPORT)IGNITION SWITCH OUTPUT
5 X41 20DG/WT (EXCEPT
BUILT-UP-EXPORT)AUDIO OUT LEFT
5 X41 24DG/WT (BUILT-UP-
EXPORT)AUDIO OUT LEFT
6 Z140 24BK/OR (BUILT-UP-
EXPORT)GROUND
6 Z140 18BK/OR (EXCEPT
BUILT-UP-EXPORT)GROUND
7 Z141 18BK/TN (EXCEPT
BUILT-UP-EXPORT)GROUND
7 Z141 22BK/TN (BUILT-UP-
EXPORT)GROUND
8 X160 20GY/YL (EXCEPT
BUILT-UP-EXPORT)B(+)
8 X160 22GY/YL (BUILT-UP-
EXPORT)B(+)
CENTER DOME LAMP (BASE/HIGH LINE) - GRAY 3 WAYCAV CIRCUIT FUNCTION
1 M22 20YL/OR COURTESY LAMPS DRIVER
2 Z327 20BK/OR GROUND
3 M27 20YL/LB READING LAMPS DRIVER
CLOCKSPRING C1 - WHITE 6 WAYCAV CIRCUIT FUNCTION
1 X920 20GY/OR RADIO CONTROL MUX RETURN
2 X20 20GY/WT RADIO CONTROL MUX
3 X3 20DG/VT HORN SWITCH SENSE
4 V37 20VT SPEED CONTROL SWITCH SIGNAL
5 Z23 20BK/LB SPEED CONTROL SWITCH GROUND
6- -
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1033
CONNECTOR PINOUTS
Page 1063 of 4284
CLOCKSPRING C2 - YELLOW 4 WAYCAV CIRCUIT FUNCTION
1 R61 18LG/VT DRIVER SQUIB 2 LINE 1
2 R63 18LG/WT DRIVER SQUIB 2 LINE 2
3 R43 18LG/BR DRIVER SQUIB 1 LINE 1
4 R45 18LG/OR DRIVER SQUIB 1 LINE 2
CLOCKSPRING C4 - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 X20 20RD/BK RADIO CONTROL MUX
2 X920 20RD/DB RADIO CONTROL MUX RETURN
CLOCKSPRING C5 - YELLOW 4 WAYCAV CIRCUIT FUNCTION
1 R45 18OR/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
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Page 1065 of 4284
DIAGNOSTIC JUNCTION PORT - BLACK 16 WAYCAV CIRCUIT FUNCTION
1 D25 20WT/VT PCI BUS (PCM/SKIM/ECM/THATCHAM)
2 D25 20WT/VT PCI BUS (HVAC)
3 D25 20WT/VT PCI BUS (RADIO)
4 D25 20WT/VT PCI BUS (ORC)
5 D25 20WT/VT PCI BUS (CLUSTER)
6 D25 20WT/VT PCI BUS (BCM)
7 D25 20WT/VT PCI BUS (DLC)
8 D25 20WT/VT PCI BUS (OVERHEAD CONSOLE)
9 D25 20WT/VT PCI BUS (FCM/TCM/CAB)
10 D25 20WT/VT PCI BUS (LSIACM)
11 D25 20WT/VT (MEMORY) PCI BUS (MEMORY)
12 D25 20WT/VT PCI BUS (PWR DOOR LT/RT/LIFTGATE)
13 D25 20WT/VT PCI BUS (RSIACM)
14 - -
15 - -
16 - -
DOSING PUMP - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 18RD DOSING PUMP CONTROL
2 Z149 18BK/DB GROUND
DRIVER AIRBAG C1 - BROWN 2 WAYCAV CIRCUIT FUNCTION
1 R43 18BK/LB DRIVER SQUIB 1 LINE 1
2 R45 18OR/LB DRIVER SQUIB 1 LINE 2
DRIVER AIRBAG C2 - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 R61 18OR/LB DRIVER SQUIB 2 LINE 1
2 R63 18TN/LB DRIVER SQUIB 2 LINE 2
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1036
CONNECTOR PINOUTS
Page 1078 of 4284
LEFT CYLINDER LOCK SWITCH - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 Z463 20BK/LB GROUND
2 G163 20VT/LB LEFT CYLINDER LOCK SWITCH MUX
LEFT DOOR SPEAKER - BLACK/RED 6 WAYCAV CIRCUIT FUNCTION
1 X153 20DG/YL (HIGH
LINE)LEFT FRONT INSTRUMENT PANEL SPEAKER (+)
2 X15 16GY/DG (HIGH LINE) AMPLIFIED SPEAKER GROUND
3 X155 20DG/LB (HIGH
LINE)LEFT FRONT INSTRUMENT PANEL SPEAKER (-)
4 X53 20DG LEFT FRONT SPEAKER (+)
5 X13 16DG/GY (HIGH LINE) RADIO CHOKE OUTPUT
6 X55 20DG/BR LEFT FRONT SPEAKER (-)
LEFT FOG LAMP - WHITE 2 WAYCAV CIRCUIT FUNCTION
A L89 18WT/YL FRONT FOG LAMP RELAY OUTPUT
B Z349 18BK/YL GROUND
LEFT FRONT DOOR AJAR SWITCH (BASE) - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 G75 20VT LEFT FRONT DOOR AJAR SWITCH SENSE
2 Z75 20BK/VT GROUND
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1049
CONNECTOR PINOUTS
Page 1081 of 4284

LEFT POWER MIRROR - BLACK 12 WAYCAV CIRCUIT FUNCTION
1 P171 20TN/YL (BUILT-UP-
EXPORT)LEFT FOLDING MIRROR UNFOLD DRIVER
2 P112 20TN/OR (EXCEPT
BUILT-UP-EXPORT/
MEMORY)MIRROR B(+)
3 P114 20TN/WT (EXCEPT
BUILT-UP-EXPORT/
MEMORY)MIRROR B(-)
4 P65 20TN/VT (MEMORY) LEFT MIRROR HORIZONTAL POSITION SIGNAL
5 P69 20TN/WT (MEMORY) LEFT MIRROR SENSOR GROUND
6 P64 20TN (MEMORY) LEFT MIRROR VERTICAL POSITION SIGNAL
7 P160 20TN/LG (BUILT-UP-
EXPORT/RHD)PASSENGER FOLDING MIRROR RELAY OUTPUT
7 P159 20TN/DG (BUILT-UP-
EXPORT/LHD)DRIVER FOLDING MIRROR FOLD DRIVER
8 Z215 20BK/LG GROUND
9 C16 20DB/GY FUSED REAR WINDOW DEFOGGER RELAY OUTPUT
10 P73 20TN/VT LEFT MIRROR COMMON DRIVER (RIGHT/DOWN)
11 P71 20TN/DG LEFT MIRROR HORIZONTAL DRIVER
12 P75 20TN/LG LEFT MIRROR VERTICAL DRIVER
LEFT REAR PILLAR SPEAKER - BLACK 2 WAYCAV CIRCUIT FUNCTION
1 X157 20DG LEFT REAR PILLAR SPEAKER (+)
2 X151 20DG/WT LEFT REAR PILLAR SPEAKER (-)
LEFT REAR READING LAMP (LUXURY) - GRAY 3 WAYCAV CIRCUIT FUNCTION
1 M22 20YL/OR COURTESY LAMPS DRIVER
2 Z327 20BK/OR GROUND
3 M27 20YL/LB READING LAMPS DRIVER
LEFT REAR SPEAKER - BLACK/RED 6 WAYCAV CIRCUIT FUNCTION
1 X151 20DG/WT LEFT REAR PILLAR SPEAKER (-)
2 X15 16GY/DG AMPLIFIED SPEAKER GROUND
3 X157 20DG LEFT REAR PILLAR SPEAKER (+)
4 X51 20DG/DB LEFT REAR SPEAKER (+)
5 X13 16DG/GY RADIO CHOKE OUTPUT
6 X57 20DG/OR LEFT REAR SPEAKER (-)
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1052
CONNECTOR PINOUTS