Flow of Diagnosis

INTERIOR LIGHTING

1. Verify the customer concern by operating the system.
2. Visually inspect for obvious signs of mechanical or electrical damage.

VISUAL INSPECTION CHART

Mechanical
^ After-market accessories

Electrical
^ Fuse(s)
^ Bulb(s)
^ Wiring harness
^ Circuit
^ Loose or corroded connector(s)
^ After-market accessory
^ Switch(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 concern is not visually evident, verify the symptom and refer to the Symptom Chart. Symptom Related Diagnostic Procedures