LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> LX 570 >> Repair and Diagnosis (Single Page) >> Body & Frame >> Seats >> Seat >> Front Power Seat Control System >> Wireless Transmitter Memory Function does not Operate >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

  1. CHECK WIRELESS DOOR LOCK CONTROL FUNCTIONS 
    1. Using the standard operation procedure, check that the wireless door lock/unlock operates normally.

      OK: Wireless door lock/unlock operates normally. 

      HINT:

      The standard operating procedure is as follows: Hold the transmitter approximately 1 m (3.28 ft.) from the driver door outside handle. Press and hold the transmitter lock or unlock switch for 1 second.

    NG: GO TO WIRELESS DOOR LOCK CONTROL SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    OK: Go to Next Step 

  2. CHECK POWER DOOR LOCK CONTROL FUNCTION 
    1. Using the standard operation procedure, check that the power door lock/unlock operates normally.

      OK: Power door lock/unlock operates normally. 

    NG: GO TO POWER DOOR LOCK CONTROL SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    OK: Go to Next Step 

  3. CHECK SEAT MEMORY SWITCH FUNCTION (SEAT POSITION MEMORY FUNCTION) 
    1. Perform a memory operation properly. Check that the buzzer sounds to indicate the completion of the memory operation.
      NOTE:
      • The seat position will not be recorded if the seat memory SET switch and 2 or more of the seat memory switches (for example, seat memory switch 1 and seat memory switch 2) are pressed simultaneously.
      • If a memorizing operation has failed, release all switches. The seat memory function does not operate unless the switches are released.

      OK: Seat memory switch function operates normally. 

    NG: GO TO PROBLEM SYMPTOMS TABLE  (See )

    OK: Go to Next Step 

  4. CHECK MEMORY CALL FUNCTION (REGISTER RECOGNITION CODE) 
    1. While pressing seat memory switch 1, seat memory switch 2 or seat memory switch 3 switch, press the transmitter lock or unlock switch. Then check that the buzzer sounds normally.

      OK: Buzzer sounds normally. 

    NG: REPLACE POSITION CONTROL ECU AND SWITCH  (See REMOVAL  )

    OK: END