NAVIGATION SYSTEM(for HDD) Touch Panel Switch does not Function

PROCEDURE


  1. CHECK DISPLAY


    1. Check if there is any foreign matter caught between the display and exterior frame of the display.

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

      Tech Tips

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

      Result
      Proceed to
      OK
      NG

    NG

    REMOVE FOREIGN MATTER

    OK

  2. CHECK TOUCH PANEL


    1. Check for foreign matter on the display.

      Result
      Proceed to
      The display is clean
      The display is not clean

    The display is not clean

    CLEAN DISPLAY AND RECHECK TOUCH PANEL

    The display is clean

  3. CHECK TOUCH SWITCH (OPERATION CHECK)


    1. A01CWJ9

      Enter the "Touch Switch Check" screen. Refer to Check Touch Switch in Operation Check.

      Click here

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

      Result
      Proceed to
      A "+" mark appears at the touched position
      A "+" mark does not appear at the touched position

    A "+" mark appears at the touched position

    REPLACE NAVIGATION ECU SUB-ASSEMBLY Click here

    A "+" mark does not appear at the touched position

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here