With Automatic Transmission
1. Verify the customer concern by operating the backup lamps.2. Visually inspect for obvious signs of mechanical and electrical damage.
VISUAL INSPECTION CHART
Mechanical
^ Damaged Transmission Range (TR) switch
Electrical
^ Blown fuse:
- 10 A METER
- 15 A ENGINE
^ Damaged wiring harness
^ Loose, damaged, or corroded connectors
^ Blown bulbs
^ Transmission Range (TR) switch
3. If the fault is not visually evident, verify the symptom and proceed to Symptom Chart. Symptom Related Diagnostic Procedures