Front Power Seat Control System: Initialization

INITIALIZE FRONT POWER SEAT CONTROL SYSTEM
NOTE: The position sensor initialization must be performed if one of the following occurs: 1) the front power seat switch (seat ECU) is replaced or removed and installed; 2) the front seat adjuster is replaced; or 3) the initialization cancel operation is performed.
1. For Driver Side:
  Initialize the power seat ECU as follows.
  
  Fig 1: Initializing Power Seat ECU (Driver Side)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Turn the engine 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 0.5 seconds). This will cancel the initialization.*2
  4. Use the slide operation to move the front power seat to the rearmost lock position.*3
    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.
  5. Use the reclining operation to move the seatback to the foremost lock position (buzzer sounds for 0.5 seconds).
    
    Fig 2: Moving Seatback To Foremost Lock Position
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. Operate the power seat switch and check that the head restraint moves to be lowermost positional
  7. Operate the power seat switch and check that the seat slides forward and rearward and that the beeping sound is not emitted.*2
    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.
    
    Fig 3: Checking Seat Slides Forward And Rearward
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. For Passenger Side:
  Initialize the power seat ECU as follows.
  
  Fig 4: Initializing Power Seat ECU (Passenger Side)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Turn the engine 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 0.5 seconds). This will cancel the initialization.*2
  4. Use the slide operation to move the front power seat to the rearmost lock position.*3
    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.
  5. Use the reclining operation to move the seatback to the foremost lock position (buzzer sounds for 0.5 seconds).
    
    Fig 5: Moving Seatback To Foremost Lock Position
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. Operate the power seat switch and check that the head restraint moves to be upmost position.*1
  7. Operate the power seat switch and check that the seat slides forward and rearward and that the beeping sound is not emitted.*2
    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.
  Fig 6: Checking Seat Slides Forward And Rearward
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002