Inspection Procedure

1. Check for dirt on the display surface.

   Standard: The display surface is clean. 

   NG: REMOVE ANY DIRT FOUND AND RECHECK TOUCH PANEL 

   OK: Go to next step 

1. Enter the "Display Check" mode (Touch Switch Check) (See DISPLAY CHECK MODE (TOUCH SWITCH CHECK) ).
2. Touch the display in the area where the abnormal switch occurs.
Fig 1: Identifying Touch Switch Check Screen
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

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

OK: REPLACE RADIO AND NAVIGATION ASSY (See  REPLACEMENT  ) 

NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE