Test No. 12: Only One Interior Light Does Not Operate
- Interior light system consists of front personal light, interior light at center of headliner and luggage compartment light. See Figure. Check bulb for interior light which does not operate. If bulb is okay, go to next step. If bulb is defective, replace bulb and recheck light operation.
- Check wiring harness and electrical connectors between interior light which does not operate and passenger's side Junction Block (J/B) Electronic Control Unit (ECU). For front personal light, it may be necessary to check wiring between light assembly and ground connection. See WIRING DIAGRAMS in ILLUMINATION/INTERIOR LIGHTS article. Front personal light may also be referred to as personal light. Passenger's side J/B ECU is located at passenger's side of instrument panel. See Figure. Repair wiring harness or electrical connector as necessary.