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Home >> Lexus >> 2010 >> IS 250C Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 419 (Front Power Seat Control (W/ Memory) (Diagnostics)) >> Front Power Seat Control System (W/ Seat Position Memory System) >> Wireless Transmitter Memory Function does not Operate >> Procedure

Wireless Transmitter Memory Function does not Operate: Procedure

WARNING: This page is about a different car, the 2010 Lexus GS 460 and 2010 Lexus GS 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK WIRELESS DOOR LOCK OPERATION (WIRELESS DOOR LOCK / UNLOCK OPERATION) 
    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 

    OK: Go to next step 

  2. 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 SET switch and 2 or more of the memory switches (for example, M1 and M2) 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   4 

    OK: Go to next step 

  3. CHECK MEMORY CALL FUNCTION (REGISTER RECOGNITION CODE) 
    1. While pressing the M1, M2 or M3 switch, press the transmitter's LOCK or UNLOCK switch. Check that the buzzer sounds normally.

      OK

      Buzzer sounds normally.

    NG → REPLACE POSITION CONTROL ECU & SWITCH ASSEMBLY LH 

    OK → END