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
^ Damaged DRL module
^ Damaged parking brake signal switch and bracket

Electrical
^ Blown battery junction box Fuse 27 (15 A)
^ Damaged wiring harness
^ Loose or corroded connection
^ Damaged DRL module
^ Damaged parking brake signal switch and bracket

3. Verify the headlamps are operating correctly. Correct any concerns before proceeding to the next step.
4. Verify the parking brake control is fully released.
5. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
6. If the concern is not visually evident, verify the symptom and refer to the Symptom Chart. Symptom Related Diagnostic Procedures