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

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.

      Tip:

      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

   NG

   REMOVE FOREIGN MATTER

   OK

2. CHECK TOUCH PANEL

   1. Check for foreign matter on the display.

      OK

      The display is clean.

   Result

   Proceed to
   OK
   NG

   NG

   CLEAN DISPLAY AND RECHECK TOUCH PANEL

   OK

3. CHECK TOUCH SWITCH (OPERATION CHECK)

   1. 

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

      Click hereClick hereClick here

   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

   OK

   REPLACE NAVIGATION RECEIVER ASSEMBLY

   Click hereClick here

   NG

   PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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