NAVIGATION SYSTEM (for Navigation Receiver Type) Touch Panel Switch does not Function

INSPECTION PROCEDURE

Note

After replacing the navigation ECU sub-assembly of vehicles subscribed to pay-type satellite radio broadcasts, registration of the XM radio ID is necessary.

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.

      Tech Tips

      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.

    NG

    REMOVE FOREIGN MATTER

    OK

  2. CHECK TOUCH PANEL

    1. Check for foreign matter on the display.

      OK
      The display is clean.
    NG

    CLEAN DISPLAY AND RECHECK TOUCH PANEL

    OK

  3. CHECK TOUCH SWITCH (OPERATION CHECK)

    A011XSX

    1. 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.

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

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

    OK

    REPLACE NAVIGATION ECU SUB-ASSEMBLY Click here