Rear Power Seat Control System: Initialization

REAR POWER SEAT INITIALIZATION
NOTE: The position sensor initialization must be performed if one of the following occurs: 1) the position control ECU is replaced or removed and installed; 2) the rear seat adjuster is replaced; or 3) the initialization cancel operation is performed.

HINT:

The initialization is only performed for the seat selected with the left / right selection switch.
1. Initialization cancel operation
  1. Turn the engine switch on (IG).
  2. Press the rear power seat switch upper lumbar switch rearward 3 times.
    
    Fig 1: Identifying Rear Seat Switch Upper Lumbar Switch Rearward
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Within 10 seconds of the above operation, begin the following operation: perform the downward headrest operation and forward slide operation simultaneously for 10 seconds or more. This will cancel the initialization (buzzer sounds for 0.5 seconds).
    
    Fig 2: Identifying Downward Headrest Operation And Forward Slide Operation
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Initialization operation
  HINT:
  - *: w/ Ottoman
  - If the initialization is not completed, the buzzer will sound during the manual operation.
  1. Perform the initialization cancel operation.
  2. Use the slide operation to move the rear power seat to the rearmost lock position.
    HINT:
    
    While performing the slide operation, the buzzer sounds.
    
    Fig 3: Moving Rear Power Seat To Rearmost Lock Position
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. Use the reclining* operation to move the rear power seat to the rearmost lock position (buzzer sounds for 0.1 seconds).
    
    Fig 4: Moving Rear Power Seat To Rearmost Lock Position
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. Use the ottoman* operation to move the rear power seat to the lowermost lock position (buzzer sounds for 0.1 seconds).
    
    Fig 5: Moving Rear Power Seat To Lowermost Lock Position
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. Use the upper lumbar operation to move the upper seatback to the rearmost lock position (buzzer sounds for 0.5 seconds). The initialization is complete.
    
    Fig 6: Moving Upper Seatback To Rearmost Lock Position
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. Operate the power seat switch and check that the seat slides forward and rearward and that the beeping sound is not emitted.