Test No. 19: Only One Interior Light Does Not Operate
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
- Check light bulb for inoperative interior light. If light bulb is okay, go to next step. If light bulb is defective, replace light bulb. After repairs, perform confirmation test. See CONFIRMATION TEST .
- Check wiring harnesses and electrical connectors between battery and driver door ECU, between battery and front passenger door ECU, between battery and body control ECU, between body control ECU and driver door ECU, between body control ECU and front passenger door ECU, between defective interior light and all power and ground connections. See INTERIOR LIGHTS in SYSTEM WIRING DIAGRAMS article. If wiring harnesses or electrical connectors are defective, repair as necessary. After repairs, perform confirmation test. See CONFIRMATION TEST .