Rear Power Seat Control System: Initialization: Initialization

REAR POWER SEAT INITIALIZATION
NOTE:
The position sensor initialization must be performed if one of the following occurs.
- Position control ECU is replaced.
- Rear seat adjuster is replaced.
- Initialization cancel operation is performed.
- Power seat motor for the rear right side seat is operated when D/C CUT1 fuse or D MPX-B 1 fuse has an open circuit.
- Power seat motor for the rear left side seat is operated when D/C CUT2 fuse or RR MPX-B 2 fuse has an open circuit.
- Power seat motor inspection is performed.
HINT:

The initialization is only performed for the seat selected with the left / right selection switch.
1. Initialization cancel operation
  
  Fig 1: Identifying Rear Power Seat Switch Position
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Turn the power switch ON (IG).
  2. Press the rear power seat switch upper lumbar switch rearward 3 times.
  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 Rear Power Seat Switch Position
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Initialization operation
  
  Fig 3: Identifying Rear Power Seat Rearmost Lock Position
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  *: for Ottoman
  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.
  3. Use the reclining* operation to move the rear power seat to the rearmost lock position (buzzer sounds for 0.1 seconds).
    
    Fig 4: Identifying Rear Power Seat 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: Identifying Rear Power Seat 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.
    HINT:
    - After performing all of the procedures above, if the buzzer sounds while performing a manual operation, perform the front power seat initialization for the front passenger seat*.
    - 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.