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Home >> Lexus >> 2004 >> LS 430 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> LEXUS Navigation System - Diagnosis >> Panel Switch Does Not Function >> Inspection Procedure

Inspection Procedure

  1. CHECK THE PANEL SWITCH 
    1. Check for foreign matter around the switch that might prevent operation.

      OK: No foreign matter is found. 

    NG: REMOVE ANY FOREIGN MATTER FOUND 

    OK: Go to next step. 

  2. DISPLAY CHECK MODE (PANEL SWITCH CHECK MODE) 
    1. Enter the "Display Check" mode (Panel Switch Check Mode) (see DISPLAY CHECK MODE (PANEL SWITCH CHECK) ).
      Fig 1: Identifying Multi-Display - Panel Switch Check Mode
      G01441402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Operate the abnormal switch and check if the switch name and status are correctly displayed.

      OK: The switch name and status are correctly displayed as operated. 

    OK: 

    REPLACE MULTI-DISPLAY (SEE  REPLACEMENT  ) 

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