Trouble Shooting

WARNING: This page is about a different car, the 2004 Lexus LS 430 and 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: See CHARGING SYSTEM - GENERAL TROUBLE SHOOTING article in GENERAL INFORMATION.

Check all fuses, fusible links, ignition switch and appropriate relays (if equipped). Check generator output. See NO-LOAD TEST under ON-VEHICLE TESTING.