Inspection and Verification (Start Testing Here)

1. Verify the customer concern by operating the fog lamps.
2. Visually inspect the components of the fog lamp system.

Electrical
- Blown fuse.
- Damaged fog lamp.
- Damaged wiring harness.
- Loose or corroded connections.

3. Verify the headlamps are working. If the headlamps are not working, refer to Pinpoint Test A. A H/Lamps Inoperative
4. Check the wiring harness for obvious signs of shorts, opens, bad connections, or damage.
5. If fault is not visually evident, determine the symptom and proceed to the Symptom Chart. Symptom Related Diagnostic Procedures