LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> LS 460L >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS >> Power Window Control System >> Operation Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Operation Check

  1. CHECK WINDOW LOCK SWITCH 
    1. Check that the front passenger side power window and the rear power windows cannot be operated when the window lock switch of the master switch is pressed.

      OK: Operation of front passenger side power window and rear power windows are disabled. 

      Fig 1: Identifying Precaution For Window Lock Switch
      G04952071Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check that the front passenger side power window and the rear power windows can be operated when the window lock switch is pressed again.

      OK: Front passenger side power window and rear power windows can be operated. 

  2. CHECK MANUAL UP/DOWN FUNCTION 
    1. Check that the driver side power window operates as follows:

      OK: 

      OPERATION TABLE

      Condition Master Switch Switch Operation Power Window
      Engine switch on (IG) Driver side Pulled halfway up UP (Closes)
      Pushed halfway down DOWN (Opens)
    2. Check that the front passenger side and rear power windows operate as follows:

      OK: 

      SWITCH OPERATION TABLE

      Condition Regulator Switch Switch Operation Power Window
      • Engine switch on (IG)
      • Window lock switch off
      		 Front passenger side Pulled halfway up UP (Closes)
      Pushed halfway down DOWN (Opens)
      Rear LH side Pulled halfway up UP (Closes)
      Pushed halfway down DOWN (Opens)
      Rear RH side Pulled halfway up UP (Closes)
      Pushed halfway down DOWN (Opens)
  3. CHECK AUTO UP/DOWN FUNCTION 
    1. Check that the driver side power window operates as follows:

      OK: 

      SWITCH OPERATION TABLE

      Condition Master Switch Switch Operation Power Window
      Engine switch on (IG) Driver side Pulled up (One touch operation) AUTO UP (Closes)
      Pushed down (One touch operation) AUTO DOWN (Opens)
    2. Check that the front passenger side and rear power windows operate as follows:

      OK: 

      SWITCH OPERATION TABLE

      Condition Regulator Switch Switch Operation Power Window
      • Engine switch on (IG)
      • Window lock switch off
      		 Front passenger side Pulled up (One touch operation) AUTO UP (Closes)
      Pushed down (One touch operation) AUTO DOWN (Opens)
      Rear LH side Pulled up (One touch operation) AUTO UP (Closes)
      Pushed down (One touch operation) AUTO DOWN (Opens)
      Rear RH side Pulled up (One touch operation) AUTO UP (Closes)
      Pushed down (One touch operation) AUTO DOWN (Opens)
  4. CHECK REMOTE MANUAL UP/DOWN FUNCTION 
    1. Check that the front passenger side and rear power windows operate as follows:

      OK: 

      SWITCH OPERATION TABLE

      Condition Master Switch Switch Operation Power Window
      • Engine switch on (IG)
      • Window lock switch off
      		 Front passenger side Pulled halfway up UP (Closes)
      Pushed halfway down DOWN (Opens)
      Rear LH side Pulled halfway up UP (Closes)
      Pushed halfway down DOWN (Opens)
      Rear RH side Pulled halfway up UP (Closes)
      Pushed halfway down DOWN (Opens)
  5. CHECK REMOTE AUTO UP / DOWN FUNCTION 
    1. Check that the front passenger side and rear power windows operate as follows:

      OK: 

      SWITCH OPERATION TABLE

      Condition Master Switch Switch Operation Power Window
      • Engine switch on (IG)
      • Window lock switch off
      		 Front passenger side Pulled up (One touch operation) AUTO UP (Closes)
      Pushed down (One touch operation) AUTO DOWN (Opens)
      Rear LH side Pulled up (One touch operation) AUTO UP (Closes)
      Pushed down (One touch operation) AUTO DOWN (Opens)
      Rear RH side Pulled up (One touch operation) AUTO UP (Closes)
      Pushed down (One touch operation) AUTO DOWN (Opens)
  6. CHECK POWER WINDOW OPERATION FUNCTION AFTER ENGINE SWITCH OFF 
    1. Check that all the power windows can be operated with the master switch after the engine switch is turned off.
    2. Check that the key-off operation function does not operate after the driver door or front passenger door is opened.
    3. Check that all the power windows cannot be operated after more than approximately 45 seconds have elapsed since the engine switch is turned off.
  7. CHECK TRANSMITTER-LINKED FUNCTION 
    1. Check that all power windows operate as follows when operating the transmitter.

      OK 

      TRANSMITTER OPERATION TABLE

      Condition Transmitter Operation Power Window
      No key is inside vehicle all doors closed and locked UNLOCK switch pressed for more than 3.0 sec. DOWN (Opens)
      No key is inside vehicle all doors closed and locked UNLOCK switch released STOP
  8. CHECK KEY-LINKED FUNCTION USING DRIVER SIDE DOOR KEY CYLINDER 
    1. Check that all power windows operate as follows.

      OK 

      DOOR KEY CYLINDER OPERATION TABLE

      Condition Door Key Cylinder Operation Power Window
      No key is inside vehicle, and all doors are closed Turned (LOCK) for more than 2.3 sec. UP (Closes)
      No key is inside vehicle, and all doors are closed Returned to neutral position STOP
      No key is inside vehicle, and all doors are closed Turned (UNLOCK) for more than 2.3 sec. DOWN (Opens)
      No key is inside vehicle, and all doors are closed Returned to neutral position STOP
  9. CHECK AUTO UP FUNCTION USING ENTRY LOCK SWITCH 
    1. Check that all power windows operate as follows when the entry lock switch is pressed and held.

      OK 

      SWITCH OPERATION TABLE

      Condition Switch Operation Power Window
      No key is inside vehicle all doors closed Entry lock switch pressed for more than 3.0 sec. UP (Closes)
      No key is inside vehicle all doors closed Entry lock switch released STOP
  10. CHECK JAM PROTECTION FUNCTION 
    1. Check the basic function.
      CAUTION:
      • The jam protection function is operative during both the AUTO UP and MANUAL UP operation.
      • Do not put your fingers between the door frame and door glass to check functions. Also, prevent any part of your body from being caught during inspection.

      HINT:

      The jam protection function is operative during both AUTO UP and MANUAL UP operation while: 1) the engine is running, 2) the engine switch is on (IG) or 3) 45 seconds after engine switch is turned off.

      1. Fully open the window.
      2. Set a thick book wrapped with a cloth or piece of cloth near the power window fully closed position.
      3. Operate the AUTO UP or MANUAL UP function to check that the power window goes down before the book is caught between the window and door frame, and stops when the opening reaches approximately 200 mm (7.87 in.).

        HINT:

        The power window moves down approximately 125 mm (4.93 in.). However, when the opening does not reach 200 mm (7.87 in.), the power window continues to go down until the opening reaches 200 mm (7.87 in.) or until approximately 5 seconds have elapsed.

      4. While the power window is moving down, check that the door glass cannot be moved up even when the power window switch is used.
        Fig 2: Identifying Thick Book & Cloth
        G04952072Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. CHECK POWER WINDOW SWITCH LED ILLUMINATION 
    1. Check the LED illumination.
      1. Check that the LED located on the power window switch illuminates when the engine switch on (IG) and window lock switch is set to the UNLOCK position.
scientia non olet · About LEMON Manuals