2003 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Basic Function Test

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.

Stand about 3 feet from outside door handle on driver door. Point remote transmitter toward vehicle. Depress any remote transmitter button for about one-second. If doors or luggage compartment respond properly, system is okay. If doors or luggage compartment do not respond properly, perform diagnostics to determine probable cause of fault. See WIRELESS DOOR LOCK CONTROL SYSTEM DIAGNOSTIC MODEΒ  under SELF-DIAGNOSTIC SYSTEM.

Factory Service Tools

Use the Manual With the Right Hardware

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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.

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