Component Tests and General Diagnostics
BACKUP LAMP INSPECTION1. Verify the customer concern by operating the backup lamps.
2. Visually inspect for obvious signs of electrical damage.
Electrical
Central junction box (CJB) fuse 2 (10 A)
Damaged wiring harness
Circuitry
Loose or corroded connections
Bulb(s)
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the fault is not visually evident, determine the symptom and see SYMPTOM TROUBLESHOOTING CHART - BACKUP LAMPS. Symptom Related Diagnostic Procedures