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Touch Panel Switch does not Function: 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). Refer to DISPLAY CHECK MODE .
      Fig 1: Touch Switch Check - Screen Display
      GTY101122Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Touch the display in the area where the switch malfunction occurs.

      OK

      A "+" mark appears at the touched position.

      RESULT

      Result Proceed to
      OK A
      NG (w/ Navigation System [for HDD]) B
      NG (w/ Navigation System [for DVD]) C
      NG (w/o Navigation System) D

    D → See step   6 

    C → See step   5 

    B → See step   4 

    A → See step   3 

  3. PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE 
  4. REPLACE DISPLAY AND NAVIGATION ASSEMBLY. Refer to  REMOVAL 
  5. REPLACE MULTI-DISPLAY. Refer to  REMOVAL - Step 11 
  6. REPLACE MULTI-DISPLAY. Refer to  REMOVAL 
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