Operation CHARM: Car repair manuals for everyone.

Flow of Diagnosis

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

VISUAL INSPECTION CHART

Electrical
^ Fuse(s)
^ Damaged wiring harness
^ Loose or corroded connections

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