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Home >> Lexus >> 2006 >> GX 470 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> LEXUS Navigation System -- Diagnostics >> Panel Switch Does Not Function >> Inspection Procedure

Inspection Procedure

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

      OK: No foreign matter is found. 

    1. NG: REMOVE ANY FOREIGN MATTER FOUND 
    2. 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)  ).
    2. Operate the abnormal switch and check if the switch name and status are correctly displayed.
    Fig 1: Panel Switch Check Mode Screen
    G02965401Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

    1. OK: REPLACE MULTI-DISPLAY (SEE  MULTI-DISPLAY (CRT DISPLAY) DISPLAY  ) 
    2. NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (SEE  PROBLEM SYMPTOMS TABLE   )