Inspection Procedure

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 

1. Enter the "Display Check" mode (Touch Switch Check) (see DISPLAY CHECK MODE  ).
2. Touch the display in the area where the switch malfunction occurs.

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

   Fig 1: Touch Switch Check - Screen Display

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NG: REPLACE DISPLAY AND NAVIGATION ASSEMBLY  (See REMOVAL  )

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )