Chrysler 300M 2002 Service Manual page 1948

*FOG LAMPS WILL NOT TURN ON —
TEST
5 If there are no possible causes remaining, view repair.
Repair
6 Check Junction Block fuse #16.
Is fuse #16 open?
Yes → Go To 7
→ Go To 8
No
7 Remove the fog lamp relay from the Junction Block.
Measure the resistance of the Fog Lamp Relay Output circuit in the relay connector.
Is the resistance below 0.5 ohms?
Yes → Repair the relay output circuit for a short to ground and replace
→ Test Complete.
No
8 Remove the Fog Lamp Relay from the Junction Block.
Measure the voltage of the Fused B+ circuit to ground.
Is the voltage above 10.0 volts?
Yes → Go To 9
→ Replace the junction block.
No
9 Remove the fog lamp relay from the Junction Block.
Turn ignition off. Remove the Body Control Module from the Junction Block.
Measure the resistance of the Fog Lamp Relay Control circuit between the relay
connector and the junction block BCM connector.
Is the resistance below 5.0 ohms?
Yes → Go To 10
→ Replace the Junction Block.
No
10 Remove the Fog Lamp Relay from the Junction Block.
Connect a 12-volt test light between the Fog Lamp Relay Control and the Fused B+
in the Low Beam Relay connector.
With the DRBIII , actuate the Fog Lamp Relay.
Did the test light flash during actuation?
Yes → Replace the Fog Lamp Relay.
→ Go To 11
No
11 If there are no possible causes remaining, view repair.
Repair
ACTION
Replace the Fog Lamp Relay
Perform BODY VERIFICATION TEST - VER 1.
the fuse.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Perform BODY VERIFICATION TEST - VER 1.
Replace Body Control Module.
Perform BODY VERIFICATION TEST - VER 1.
EXTERIOR LIGHTING
Continued
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APPLICABILITY
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