Inspection and Verification (Start Testing Here)

1. Verify the customer's concern by operating the backup lamps to duplicate the condition.
2. Inspect to determine if one of the following concerns apply:

VISUAL INSPECTION CHART

Electrical
- Circuitry open/shorted
- Blown fuse 30 (25A).
- Miniature bulb burned out.
- Damaged Transmission Range (TR) sensor.

3. If inspection reveals obvious concerns which can be readily identified, service as required.
4. If the concern(s) remains after the inspection, determine the symptom(s) and go to the Symptom Chart. Symptom Related Diagnostic Procedures