Operation CHARM: Car repair manuals for everyone.

Flow of Diagnosis

Special Service Tool(s):






SPECIAL TOOLS

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

VISUAL INSPECTION CHART

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

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