Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

CHECK TOUCH PANEL
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
CHECK TOUCH SWITCH (DISPLAY CHECK MODE)
1. Enter the "Display Check" mode (Touch Switch Check) (See OPERATION CHECK )
2. Touch the display in the area where the switch malfunction occurs
  OK: A "+" mark appears at the touched position.
  
  Fig 1: Diagnosis Display Screen - Touch Switch Check
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )

OK: REPLACE MULTI-DISPLAY (See REMOVAL )