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Inspection Procedure

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK MAP DISC 
    1. Check that the map disc is not deformed or cracked.

      OK: No deformations or cracks appear on the map disc. 

      Fig 1: Identifying MAP Disc
      G01441409Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE THE MAP DISC 

    OK: Go to next step. 

  2. CHECK NAVIGATION ECU 
    1. Check that the "PUSH" indicator near the disc slot comes on.

      OK: It does not come on. 

    NG: PRESS THE EJECT SWITCH TO EJECT THE DISC 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (SEE  PROBLEM SYMPTOMS TABLE  )