Touch Panel Switch does not Function: Procedure

CHECK TOUCH PANEL
1. Check for foreign matter on the display.
  OK
  
  The display is clean.
NG → CLEAN THE DISPLAY AND RECHECK TOUCH PANEL

OK: Go to next step
CHECK TOUCH SWITCH (DISPLAY CHECK MODE)
1. Enter the Display Check mode's Touch Switch Check. Refer to DISPLAY CHECK MODE .
  
  Fig 1: Touch Switch Check Screen
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Touch the display in the area where the abnormal switch occurs.
  OK
  
  A "+" mark appears at the touched position.
NG → PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

OK → REPLACE MULTI-DISPLAY