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Touch Panel Switch does not Function [11/2015 - 08/2019]: Procedure

  1. CHECK MULTI-DISPLAY 
    1. Check if there is any foreign matter caught between the display and exterior frame of the multi-display.

      OK

      No foreign matter is caught between the display and exterior frame of the multi-display.

      HINT: 

      If there is foreign matter between the display and exterior frame of the multi-display, the touch panel will remain pressed, preventing touch switch operation.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REMOVE FOREIGN MATTER 

    Result: 

    OK 

    See step  2

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

      OK

      The display is clean.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    CLEAN DISPLAY AND RECHECK TOUCH PANEL 

    Result: 

    OK 

    See step  3

  3. CHECK TOUCH SWITCH (OPERATION CHECK) 
    1. Enter the "Touch Switch Check" screen. Refer to Check Touch Switch in Operation Check.
      GTY280678Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to OPERATION CHECK [11/2015 - 08/2019]

    2. Touch the display in the area where the switch malfunction occurs.

      OK

      A "+" mark appears at the touched position.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to  REMOVAL [11/2015 - 08/2019] 

    Result: 

    NG 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2015 - 08/2019]