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Home >> Lexus >> 2005 >> ES 330 >> Repair and Diagnosis >> External Pages >> Different car >> Section 126 (Navigation System - Diagnostics) >> Navigation System >> Touch Panel Switch Does Not Function >> Inspection Procedure
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Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK TOUCH PANEL 
    1. Check for dirt on the display surface.

      OK: The display surface is clean. 

    1. NG: REMOVE ANY DIRT FOUND AND RECHECK TOUCH PANEL 
    2. OK: GO TO NEXT STEP 
  2. DISPLAY CHECK MODE (TOUCH SWITCH CHECK) 
    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.

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

    Fig 1: Touch Switch Check Screen
    G02630246Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. OK: REPLACE RADIO AND NAVIGATION ASSY (SEE  RADIO RECEIVER ASSY  ) 
    2. NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN  PROBLEM SYMPTOMS TABLE  
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