Flow of Diagnosis

1. Verify the customer concern by operating the fog lamps.
2. Visually inspect for obvious signs of mechanical and electrical damage.

VISUAL INSPECTION CHART

Mechanical
- Damaged multi-function switch

Electrical
- Blown fuse(s):
- 20A LH HEAD or 10A FOG.
- Damaged wiring harness
- Loose, damaged, or corroded connectors
- Damaged fog lamp relay
- Damaged fog lamp

3. If the fault is not visually evident, verify the symptom and refer to the Symptom Chart. Symptom Related Diagnostic Procedures