LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2009 >> LS 460L AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS >> Power Window Control System >> All Power Window Up Functions do not Operate with Entry Lock Switch >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

  1. CHECK BASIC FUNCTION (ENTRY AND START SYSTEM) 
    1. Check that the entry lock switch operates normally.

      OK: 

      Entry lock switch can lock all the doors. 

      NG: GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START  (See HOW TO PROCEED WITH TROUBLESHOOTING )

      OK: Go to Next Step 

  2. CHECK MANUAL UP/DOWN FUNCTION 
    1. Check that the manual UP/DOWN function using the master switch and regulator switch can operate all the power windows.

      OK: 

      Manual UP/DOWN function operates normally. 

      NG: OTHER PROBLEM (GO TO PROBLEM SYMPTOMS TABLE )

      OK: Go to Next Step 

  3. CHECK REMOTE UP/DOWN FUNCTION 
    1. Check that the remote UP/DOWN function using the master switch can operate the power windows.

      OK: 

      Remote UP/DOWN function operates normally. 

      NG: OTHER PROBLEM (GO TO PROBLEM SYMPTOMS TABLE )

      OK: REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)