Headlamp: Testing and Inspection

Headlamps

Inspection and Verification
1. Verify the customer concern.
2. Visually inspect for obvious signs of damage and system integrity.

Electrical
- Bulb(s)
- Photocell(s)
- Ballast
- Wiring harness/electrical connectors
- Fuse(s)

3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the cause is not visually evident, check for Diagnostic Trouble Codes (DTCs) and refer to the DTC Index.