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 SYSTEM NORMAL CONDITION CHECK  ).
   Fig 1: Identifying Screen Display -Touch Switch Check Mode

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

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

NG: REPLACE DISPLAY AND NAVIGATION ASSEMBLY (See  REMOVAL   ) 

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