Flow of Diagnosis

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

VISUAL INSPECTION CHART

Mechanical
^ Door lock key cylinders
^ Loose hood anti-theft switch

Electrical
^ Central Junction Box (CJB) fuses:
- Fuse F20 (30 A)
- Fuse F35 (10 A)
- Fuse F49 (10 A)
- Fuse F52 (10 A)
^ Battery Junction Box (BJB) fuses:
- Fuse F4 (7.5 A)
^ Circuit breaker 1 (18 A)
^ Circuit
^ Connectors
^ Luggage compartment lamp switch
^ Door courtesy lamp switches

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