Test No. 11: Brake Light/Taillight In Rear Combination 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.
NOTE:
Rear combination light assembly is entire taillight assembly consisting of taillight, stoplight and side marker light.
- Check light bulb on light that is not operating. If bulb is okay, go to next step. If bulb is defective, replace light bulb. After repairs, perform confirmation test. See CONFIRMATION TEST .
- Check light failure sensor. See LIGHT FAILURE SENSOR under COMPONENT TESTS. If light failure sensor is okay, go to next step. If light failure sensor is defective, replace light failure sensor. See LIGHT FAILURE SENSOR under REMOVAL & INSTALLATION. After repairs, perform confirmation test. See CONFIRMATION TEST .
- Check wiring harnesses and electrical connectors between battery and taillight control relay, between taillight control relay and body control ECU, between taillight control relay and TAIL (10-amp) fuse, between TAIL (10-amp) fuse and light failure sensor, between body control ECU and light control switch, and between light failure sensor and taillight bulbs. See EXTERIOR LIGHTS in SYSTEM WIRING DIAGRAMS article. Repair wiring harnesses or electrical connectors as necessary. After repairs, perform confirmation test. See CONFIRMATION TEST .