Rear Lights Warning Light
WARNING: This page is about a different car, the 2003 Lexus IS 300 and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the connector from the light failure sensor and ground terminals No. 4, 5 or 9 on the wiring harness side connector. See CONNECTOR IDENTIFICATION .
- Start the engine and check that the warning light lights up. If the warning light does not light up, inspect the bulb or wiring harness.