2001 Lexus GS 430FACTORY OEM SERVICE PROCEDURE

Anti-Theft Indicator

Disconnect indicator light 7-pin connector. Connect battery positive lead to terminal No. 2 (Violet wire) and negative battery lead to terminal No. 5 (White/Black wire). See Fig 1. See WIRING DIAGRAMSΒ . If indicator light does not come on, replace light and retest system operation. If indicator light comes on, repair or replace wire harness and connectors between indicator light, body ECU No. 1 and combination meter (instrument cluster).

Fig 1: Identifying Anti-Theft Indicator Light Connector Terminals
G98B04739Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.