Operation CHARM: Car repair manuals for everyone.

Flow of Diagnosis

Inspection and Verification

Visual Inspection Chart:






1. Verify customer concern by operating the backup lamps.

2. Visually inspect the components of the backup lamp system.

3. Check the wiring harness for obvious signs of shorts, opens, bad connections, or damage.

4. If fault is not visually evident, determine the symptom and proceed to the following Symptom Chart.