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Home >> Lexus >> 2005 >> GX 470 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> LEXUS Navigation System - Diagnostics >> Touch Panel Switch Does Not Function >> Inspection Procedure

Inspection Procedure

  1. CHECK TOUCH PANEL 
    1. Check for dirt on the display surface.

      OK: The display surface is clean. 

    1. NG: REMOVE ANY DIRT FOUND AND RECHECK TOUCH PANEL 
    2. OK: Go to next step. 
  2. DISPLAY CHECK MODE (TOUCH SWITCH CHECK) 
    1. Enter the "Display Check" mode (Touch Switch Check) (see DISPLAY CHECK MODE (TOUCH SWITCH CHECK)  ).
    2. Touch the display in the area where the abnormal switch occurs.

      OK: A "+" mark appears at the touched position. 

      Fig 1: Touch Switch Check Screen
      G02965402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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   )