LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2004 >> RX 330 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 541 (Navigation) >> Navigation System >> Touch Panel Switch Does Not Function >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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 

  2. CHECK TOUCH SWITCH (DISPLAY CHECK MODE) 
    1. Enter the "Display Check Mode" (Touch Switch Check) (See DISPLAY CHECK MODE  ).
      Fig 1: Identifying Diagnostic Tool Display - Touch Switch Check
      G04966928Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Touch the display in the area where the switch malfunction occurs.

      OK: 

      A "+" mark appears at the touched position. 

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

    OK: REPLACE MULTI-DISPLAY