LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2008 >> LS 600hL >> Repair and Diagnosis >> Body & Frame >> Seats >> Seats - Front Power Seat Control System Description And Diagnostics >> Front Power Seat Control System >> Initialization
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Front Power Seat Control System: Initialization

  1. INITIALIZE FRONT POWER SEAT CONTROL SYSTEM 
NOTE: The position sensor initialization must be performed if one of the following occurs.
  • Front power seat switch (seat ECU) is replaced.
  • Front seat adjuster is replaced.
  • Initialization cancel operation is performed.
  • Power seat motor for the driver seat is operated when D/C CUT1 fuse or D MPX-B 1 fuse has an open circuit.
  • Power seat motor for the front passenger seat is operated when D/C CUT2 fuse or D MPX-B fuse has an open circuit.
  • Power seat motor inspection is performed.
  1. Initialization cancel operation for driver seat
    1. Turn the power switch ON (IG).
    2. Press the power seat switch front vertical switch downward 3 times.*1
    3. Within 10 seconds of the above operation, begin the following operation: perform the rearward reclining operation and upward lifter operation simultaneously for 10 seconds or more (buzzer sounds for 0.5 seconds). This will cancel the initialization.*2
    Fig 1: Checking Initialization Cancel Operation For Driver Seat
    G05784787Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Initialization operation for driver seat
    1. Perform the initialization cancel operation
    2. Use the slide operation to move the front power seat to the rearmost lock position *1

      HINT:

      • While performing the slide operation, the buzzer sounds
      • After the slide operation initialization is complete, the headrest and cushion extender initialization occurs automatically. At this time, the headrest will move to the uppermost position, and the cushion extender will move rearward
    3. Use the reclining operation to move the seatback to the foremost lock position (buzzer sounds for 0.5 seconds).*2
      Fig 2: Checking Initialization Operation For Driver Seat
      G05784788Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Operate the power seat switch and check that the head restraint moves to the lowermost position *1
    5. Operate the power seat switch and check that the seat slides forward and rearward and that the beeping sound is not emitted.*2
      Fig 3: Checking Initialization Operation For Driver Seat
      G05784789Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT:

      After performing all of the procedures above, if the buzzer sounds while performing a manual operation, the initialization was not completed properly Repeat all of the above procedures.

  3. Initialization cancel operation for passenger seat
    1. Turn the power switch ON (IG)
    2. Press the power seat switch front vertical switch downward 3 times.*1
    3. Within 10 seconds of the above operation, begin the following operation: perform the rearward reclining operation and upward lifter operation simultaneously for 10 seconds or more (buzzer sounds for 0.5 seconds) This will cancel the initialization *2
    Fig 4: Checking Initialization Cancel Operation For Passenger Seat
    G05784790Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Initialization operation for passenger seat

    HINT:

    * for Ottoman

  1. Perform the initialization cancel operation.
  2. Use the slide operation to move the front power seat to the rearmost lock position *1

    HINT:

    • While performing the slide operation, the buzzer sounds
    • After the slide operation initialization is complete, the headrest and lifter initialization occurs automatically. At this time, the headrest will move to the lowermost position, and the lifter will move either upward or downward.
  3. Use the reclining operation to move the seatback to the foremost lock position (buzzer sounds for 0.5 seconds) *2
    Fig 5: Checking Initialization Operation For Passenger Seat
    G05784791Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Operate the power seat switch and check that the head restraint moves to the uppermost position.*1
  5. Operate the power seat switch and check that the seat slides forward and rearward and that the beeping sound is not emitted.*2

    HINT: