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Home >> Lexus >> 2009 >> LS 460L RWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation >> NAVIGATION SYSTEM (for DVD) >> Touch Panel Switch does not Function >> Inspection Procedure

Inspection Procedure

  1. CHECK TOUCH PANEL 
    1. Check for foreign matter on the display.

      OK: The display is clean. 

      NG: CLEAN DISPLAY AND RECHECK TOUCH PANEL 

      OK: Go to next step 

  2. CHECK TOUCH SWITCH (DISPLAY CHECK MODE) 
    1. Enter the "Display Check" mode (Touch Switch Check) (see DISPLAY CHECK MODE  ).
    2. Touch the display in the area where the switch malfunction occurs.

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

      Fig 1: Diagnosis Display - Touch Switch Check
      G04948970Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NG: REPLACE MULTI-DISPLAY (See  REMOVAL   ) 

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