Symptom Chart
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART
| Condition |
Possible Sources |
Action |
- No communication with the lighting control module (LCM)
|
|
|
- The fog lamps are inoperative
|
- Fuse
- Circuitry
- Fog lamp relay
- Headlamp switch
- LCM
|
|
- The individual fog lamp is inoperative
|
|
- MEASURE the resistance between the LH fog lamp C152-1, circuit 57 (BK), harness side and ground; or between the RH fog lamp C162-1, circuit 57 (BK), harness side and ground.
- If the resistance is less than 5 ohms, REPAIR circuit 478 (TN/OG). TEST the system for normal operation.
- If the resistance is not less than 5 ohms, REPAIR circuit 57 (BK). TEST the system for normal operation.
|
- The fog lamps are on continuously
|
- Circuitry
- Fog lamp relay
- Headlamp switch
- Multifunction switch
|
|