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Home >> Toyota >> 2017 >> Highlander XLE, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seats (Service Information) (Except Hybrid) (1 Of 2) >> Front Seat Assembly (For Power Seat) >> Inspection [12/2013 - 11/2016] >> Procedure

Inspection [12/2013 - 11/2016]: Procedure

  1. INSPECT SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY (DRIVER SEAT) 
    1. Check the operation of the slide motor.
      GTY436086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Slide Motor (Separate Type Front Seat Cushion Spring Assembly (Driver Seat)))
      1. Check that the seat cushion moves smoothly when the battery is connected to the slide motor connector terminals.

        OK

        Battery Connection Operational Direction
        Battery positive (+) → Terminal 2
        Battery negative (-) → Terminal 1        		 Seat cushion moves forward
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 2        		 Seat cushion moves backward

        If the result is not as specified, replace the separate type front seat cushion spring assembly (driver seat).

    2. Check the operation of the lifter motor.
      GTY436086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Lifter Motor (Separate Type Front Seat Cushion Spring Assembly (Driver Seat)))
      1. Check that the seat cushion moves smoothly when the battery is connected to the lifter motor connector terminals.

        OK

        Battery Connection Operational Direction
        Battery positive (+) → Terminal 2
        Battery negative (-) → Terminal 1        		 Seat cushion moves upward
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 2        		 Seat cushion moves downward

        If the result is not as specified, replace the separate type front seat cushion spring assembly (driver seat).

    3. GTY436086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Front Vertical Motor (Separate Type Front Seat Cushion Spring Assembly (Driver Seat)))

      Check the operation of the front vertical motor.

      1. Check that the seat cushion moves smoothly when the battery is connected to the front vertical motor connector terminals.

        OK

        Battery Connection Operational Direction
        Battery positive (+) → Terminal 2
        Battery negative (-) → Terminal 1        		 Seat cushion moves upward
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 2        		 Seat cushion moves downward

        If the result is not as specified, replace the separate type front seat cushion spring assembly (driver seat).

    4. Check the operation of the cushion length motor. (w/ Seat Variable Cushion Switch)
      GTY436086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Cushion Length Motor (Separate Type Front Seat Cushion Spring Assembly (Driver Seat)))
      1. Check that the seat cushion moves smoothly when the battery is connected to the cushion length motor connector terminals.

        OK

        Battery Connection Operational Direction
        Battery positive (+) → Terminal 2
        Battery negative (-) → Terminal 1        		 Seat cushion moves forward
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 2        		 Seat cushion moves backward

        If the result is not as specified, replace the separate type front seat cushion spring assembly (driver seat).

  2. INSPECT SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY (DRIVER SEAT) 
    1. GTY436086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Reclining Motor (Separate Type Front Seatback Spring Assembly (Driver Seat)))

      Check the operation of the reclining motor.

      1. Check that the seatback moves smoothly when the battery is connected to the reclining motor connector terminals.

        OK

        Battery Connection Operational Direction
        Battery positive (+) → Terminal 2
        Battery negative (-) → Terminal 1        		 Seatback moves forward
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 2        		 Seatback moves backward

        If the result is not as specified, replace the separate type front seatback spring assembly (driver seat).

    2. Check the operation of the lumbar support adjustment motor.
      GTY436085Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Lumbar Support Adjustment Motor (Separate Type Front Seatback Spring Assembly (Driver Seat)))
      1. Check that the front seatback moves smoothly when the battery is connected to the lumbar support adjustment motor connector terminals.

        OK

        Battery Connection Operational Direction
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 2        		 Seatback moves forward
        Battery positive (+) → Terminal 2
        Battery negative (-) → Terminal 1        		 Seatback moves backward

        If the result is not as specified, replace the separate type front seatback spring assembly (driver seat).

  3. INSPECT SEPARATE TYPE FRONT SEAT CUSHION SPRING ASSEMBLY (FRONT PASSENGER SEAT) 
    1. GTY436086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Slide Motor (Separate Type Front Seat Cushion Spring Assembly (Front Passenger Seat)))

      Check the operation of the slide motor.

      1. Check that the front seat cushion moves smoothly when the battery is connected to the slide motor connector terminals.

        OK

        Battery Connection Operational Direction
        Battery positive (+) → Terminal 2
        Battery negative (-) → Terminal 1        		 Seat cushion moves forward
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 2        		 Seat cushion moves backward

        If the result is not as specified, replace the separate type front seat cushion spring assembly (front passenger seat).

  4. INSPECT SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY (FRONT PASSENGER SEAT) 
    1. GTY436086Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Reclining Motor (Separate Type Front Seatback Spring Assembly (Front Passenger Seat)))

      Check the operation of the reclining motor.

      1. Check that the front seatback moves smoothly when the battery is connected to the reclining motor connector terminals.

        OK

        Battery Connection Operational Direction
        Battery positive (+) → Terminal 2
        Battery negative (-) → Terminal 1        		 Seatback moves forward
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 2        		 Seatback moves backward

        If the result is not as specified, replace the separate type front seatback spring assembly (front passenger seat).

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