Chrysler Crossfire. Manual — part 264
*CENTER HIGH MOUNTED STOP LAMP INOPERATIVE (CONTINUED)
POSSIBLE CAUSES
FUSED B(+) CIRCUIT OPEN
GROUND CIRCUIT OPEN
CENTER HIGH MOUNTED STOP LAMP
For a complete Exterior Lamps Circuit Diagram, (Refer to 8 - ELECTRICAL/LAMPS/LIGHTING - EXTERIOR -
SCHEMATICS AND DIAGRAMS).
Diagnostic Test
1.
MEASURE FUSED B(+) CIRCUIT RESISTANCE
Note: If all stop lamps are inoperative, inspect Fuse 2 located in
the Illumination Control Module/IP Fuse Block. If the fuse is open,
repair the cause of the open fuse before continuing.
Disconnect the Center High Mounted Stop Lamp harness connector.
Disconnect the Illumination Control Module harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between the Center High Mounted Stop Lamp
harness connector and the Illumination Control Module harness con-
nector.
Is the resistance below 5.0 ohms?
Yes
>> Go to 2
No
>> Repair the Fused B(+) circuit for an open between the
Center High Mounted Stop Lamp and the Illumination Con-
trol Module.
Perform BODY VERIFICATION TEST.
2.
MEASURE CENTER HIGH MOUNTED STOP LAMP VOLTAGE
Connect the Illumination Control Module harness connector.
Depress the brake pedal.
Measure the voltage between the Center High Mounted Stop Lamp
harness connector cavity 2 and ground.
Is the voltage present?
Yes
>> Go to 3
No
>> Replace the Illumination Control Module. (Refer to 8 -
ELECTRICAL/LAMPS/LIGHTING
-
EXTERIOR/HEAD-
LAMP SWITCH - REMOVAL).
Perform BODY VERIFICATION TEST.
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LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
8L - 69
*CENTER HIGH MOUNTED STOP LAMP INOPERATIVE (CONTINUED)
3.
MEASURE CENTER HIGH MOUNTED STOP LAMP GROUND CIRCUIT RESISTANCE
Release the brake pedal.
Measure the resistance between the Center High Mounted Stop Lamp
harness connector cavity 1 and ground.
Is the resistance below 5.0 ohms?
Yes
>> Replace the Center High Mounted Stop Lamp. (Refer to 8
- ELECTRICAL/LAMPS/LIGHTING - EXTERIOR/CENTER
HIGH MOUNTED STOP LAMP - REMOVAL).
Perform BODY VERIFICATION TEST.
No
>> Repair the Center High Mounted Stop Lamp ground circuit
for an open.
Perform BODY VERIFICATION TEST.
8L - 70
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
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*LICENSE LAMP NO.1 INOPERATIVE
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LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
8L - 71
*LICENSE LAMP NO.1 INOPERATIVE (CONTINUED)
POSSIBLE CAUSES
FUSED B(+) CIRCUIT OPEN
GROUND CIRCUIT OPEN
LICENSE LAMP BULB
For a complete Exterior Lamps Circuit Diagram,(Refer to 8 - ELECTRICAL/LAMPS/LIGHTING - EXTERIOR -
SCHEMATICS AND DIAGRAMS).
Diagnostic Test
1.
INSPECT THE LICENSE LAMP BULB
Note: If both license lamps are inoperative, inspect Fuse 11 located in the Illumination Control Module/IP
Fuse Block. If the fuse is open, repair the cause of the open fuse before continuing.
Turn the ignition off.
Remove the License Lamp bulb and inspect for an open filament.
Is the Bulb filament open?
Yes
>> Replace the License Lamp bulb. (Refer to 8 - ELECTRICAL/LAMPS/LIGHTING - EXTERIOR/LICENSE
PLATE LAMP - REMOVAL).
Perform BODY VERIFICATION TEST.
No
>> Go to 2
2.
MEASURE FUSED B(+) CIRCUIT RESISTANCE
Disconnect the License Lamp No.1 harness connector.
Disconnect the Illumination Control Module harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between the License Lamp No.1 harness con-
nector and the Illumination Control Module harness connector.
Is the resistance below 5.0 ohms?
Yes
>> Go to 3
No
>> Repair the Fused B(+) circuit for an open between the
License Lamp No.1 and the Illumination Control Module.
Perform BODY VERIFICATION TEST.
8L - 72
LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS
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