Contents Wiring diagrams Section: Door Locks & Anti-Theft Systems All sections

Anti-Theft Systems: Overview Lexus LS III

DESCRIPTION & OPERATION

WARNINGDeactivate air bag system before performing any service operation. See AIR BAG RESTRAINT SYSTEMS article. DO NOT apply electrical power to any component on steering column without first deactivating air bag system. Air bag may deploy.

Anti-theft system consists of separate theft-deterrent horn, buzzer, theft-deterrent ECU, wireless door lock tuner located in rear view mirror, SECURITY indicator light and wireless buzzer volume and on/off switch. When anti-theft system is set (armed), system locks all doors, flashes headlights and taillights, and sounds alarm. Theft alarm conditions include disarmed state, arming preparation, armed state and alarm sounding

  1. DISARMED STATE is when alarm function does not operate or theft deterrent function is not performed.
  2. ARMING PREPARATION is time until transferring to armed state and theft deterrent function is not performed.
  3. ARMED STATE is when theft deterrent function is possible.
  4. ALARM SOUNDING is an activated alarm using light and sound to notify people around the vehicle.