LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2009 >> LS 460L AWD >> 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's 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 correctly. Check that the buzzer sounds to indicate the completion of the memory operation.
      NOTE:
      • The seat position will not be recorded if the SET switch and 2 or more of the memory switches (for example, M1 and M2) are pressed simultaneously.
      • The seat position will not be recorded if a memory switch (M1, M2 or M3) is not pressed within 3 seconds of pressing the SET switch.
      • If a memorizing operation has failed, release all the 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 

      OK: Go to next step 

  4. CHECK MEMORY CALL FUNCTION (REGISTER RECOGNITION CODE) 
    1. While pressing the M1, M2 or M3 switch, press the transmitter's LOCK or UNLOCK switch or press the door lock control switch's lock or unlock switch. Then check that the buzzer sounds normally.

      OK: 

      Buzzer sounds normally. 

      NG: REPLACE FRONT POWER SEAT SWITCH LH (See  REMOVAL   ) 

      OK: SYSTEM IS OK