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Inspection [08/2013 - ]

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT FRONT SEAT ADJUSTER ASSEMBLY LH (w/ Memory) 
    1. Check the operation of the slide motor.
      Fig 1: Identifying Power Front Seat 4 Terminal Connector End View
      GTY354873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat cushion moves smoothly when the auxiliary battery is connected to the slide motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 4
        Auxiliary battery negative (-) → Terminal 1        		 Seat cushion moves forward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 4        		 Seat cushion moves backward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Slide Motor (Front Seat Adjuster Assembly LH))

        If the result is not as specified, replace the front seat adjuster assembly LH.

    2. Check the operation of the lifter motor.
      Fig 2: Identifying Power Front Seat 4 Terminal Connector End View
      GTY354873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat cushion moves smoothly when the auxiliary battery is connected to the lifter motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 4
        Auxiliary battery negative (-) → Terminal 1        		 Seat cushion moves downward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 4        		 Seat cushion moves upward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Lifter Motor (Front Seat Adjuster Assembly LH))

        If the result is not as specified, replace the front seat adjuster assembly LH.

    3. Check the operation of front vertical motor.
      Fig 3: Identifying Power Front Seat 4 Terminal Connector End View
      GTY354873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat cushion moves smoothly when the auxiliary battery is connected to the front vertical motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 4
        Auxiliary battery negative (-) → Terminal 1        		 Seat cushion moves downward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 4        		 Seat cushion moves upward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Front Vertical Motor (Front Seat Adjuster Assembly LH))

        If the result is not as specified, replace the front seat adjuster assembly LH.

    4. Check the operation of the cushion length motor. (w/ Seat Variable Cushion Switch)
      Fig 4: Identifying Power Front Seat 2 Terminal Connector End View
      GTY216696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check that the seat cushion moves smoothly when the auxiliary battery is connected to the cushion length motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 2        		 Seatback moves forward
        Auxiliary battery positive (+) → Terminal 2
        Auxiliary battery negative (-) → Terminal 1        		 Seatback moves backward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Cushion Length Motor (Front Seat Adjuster Assembly LH))

        If the result is not as specified, replace the front seat adjuster assembly LH.

  2. INSPECT FRONT SEATBACK FRAME SUB-ASSEMBLY LH (w/ Memory) 
    1. Check the operation of the reclining motor.
      Fig 5: Identifying Power Front Seat 4 Terminal Connector End View
      GTY354873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seatback moves smoothly when the auxiliary battery is connected to the reclining motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 4
        Auxiliary battery negative (-) → Terminal 1        		 Seatback moves forward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 4        		 Seatback moves backward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Reclining Motor (Front Seatback Frame Sub-assembly LH))

        If the result is not as specified, replace the front seatback frame sub-assembly.

  3. INSPECT FRONT SEAT ADJUSTER ASSEMBLY RH (w/ Memory) 
    1. Check the operation of the slide motor.
      Fig 6: Identifying Power Front Seat 4 Terminal Connector End View
      GTY354873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat cushion moves smoothly when the auxiliary battery is connected to the slide motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 4
        Auxiliary battery negative (-) → Terminal 1        		 Seat cushion moves forward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 4        		 Seat cushion moves backward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Slide Motor (Front Seat Adjuster Assembly RH))

        If the result is not as specified, replace the front seat adjuster assembly RH.

    2. Check the operation of the lifter motor.
      Fig 7: Identifying Power Front Seat 4 Terminal Connector End View
      GTY354873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat cushion moves smoothly when the auxiliary battery is connected to the lifter motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 4
        Auxiliary battery negative (-) → Terminal 1        		 Seat cushion moves downward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 4        		 Seat cushion moves upward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Lifter Motor (Front Seat Adjuster Assembly RH))

        If the result is not as specified, replace the front seat adjuster assembly RH.

    3. Check the operation of front vertical motor.
      Fig 8: Identifying Power Front Seat 4 Terminal Connector End View
      GTY354873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat cushion moves smoothly when the auxiliary battery is connected to the front vertical motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 4
        Auxiliary battery negative (-) → Terminal 1        		 Seat cushion moves downward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 4        		 Seat cushion moves upward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Front Vertical Motor (Front Seat Adjuster Assembly RH))

        If the result is not as specified, replace the front seat adjuster assembly RH.

  4. INSPECT SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY (w/ Memory) 
    1. Check the operation of the reclining motor.
      Fig 9: Identifying Power Front Seat 4 Terminal Connector End View
      GTY354873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seatback moves smoothly when the auxiliary battery is connected to the reclining motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 4
        Auxiliary battery negative (-) → Terminal 1        		 Seatback moves forward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 4        		 Seatback moves backward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Reclining Motor (Separate Type Front Seatback Spring Assembly))

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

  5. INSPECT FRONT SEAT ADJUSTER ASSEMBLY LH (w/o Memory) 
    1. Check the operation of the slide motor.
      Fig 10: Identifying Power Front Seat 2 Terminal Connector End View
      GTY216696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the front seat cushion moves smoothly when the auxiliary battery is connected to the slide motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 2
        Auxiliary battery negative (-) → Terminal 1        		 Seat cushion moves forward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 2        		 Seat cushion moves backward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Slide Motor (Front Seat Adjuster Assembly LH))

        If the result is not as specified, replace the front seat adjuster assembly LH.

    2. Check the operation of the lifter motor.
      Fig 11: Identifying Power Front Seat 2 Terminal Connector End View
      GTY216696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the front seat cushion moves smoothly when the auxiliary battery is connected to the lifter motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 2
        Auxiliary battery negative (-) → Terminal 1        		 Seat cushion moves downward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 2        		 Seat cushion moves upward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Lifter Motor (Front Seat Adjuster Assembly LH))

        If the result is not as specified, replace the front seat adjuster assembly LH.

    3. Check the operation of the front vertical motor.
      Fig 12: Identifying Power Front Seat 2 Terminal Connector End View
      GTY216696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the front seat cushion moves smoothly when the auxiliary battery is connected to the front vertical motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 2
        Auxiliary battery negative (-) → Terminal 1        		 Seat cushion moves downward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 2        		 Seat cushion moves upward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Front Vertical Motor (Front Seat Adjuster Assembly LH))

        If the result is not as specified, replace the front seat adjuster assembly LH.

  6. INSPECT FRONT SEATBACK FRAME SUB-ASSEMBLY LH (w/o Memory) 
    1. Check the operation of the reclining motor.
      Fig 13: Identifying Power Front Seat 2 Terminal Connector End View
      GTY216696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the front seatback moves smoothly when the auxiliary battery is connected to the reclining motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 2
        Auxiliary battery negative (-) → Terminal 1        		 Seatback moves forward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 2        		 Seatback moves backward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Reclining Motor (Front Seatback Frame Sub-assembly LH))

        If the result is not as specified, replace the front seatback frame sub-assembly LH.

  7. INSPECT FRONT SEAT ADJUSTER ASSEMBLY RH (w/o Memory) 
    1. Check the operation of the slide motor.
      Fig 14: Identifying Power Front Seat 2 Terminal Connector End View
      GTY216696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the front seat cushion moves smoothly when the auxiliary battery is connected to the slide motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 2
        Auxiliary battery negative (-) → Terminal 1        		 Seat cushion moves forward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 2        		 Seat cushion moves backward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Slide Motor (Front Seat Adjuster Assembly RH))

        If the result is not as specified, replace the front seat adjuster assembly RH.

    2. Check the operation of the lifter motor.
      Fig 15: Identifying Power Front Seat 2 Terminal Connector End View
      GTY216696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the front seat cushion moves smoothly when the auxiliary battery is connected to the lifter motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 2
        Auxiliary battery negative (-) → Terminal 1        		 Seat cushion moves downward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 2        		 Seat cushion moves upward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Lifter Motor (Front Seat Adjuster Assembly RH))

        If the result is not as specified, replace the front seat adjuster assembly RH.

    3. Check the operation of the front vertical motor.
      Fig 16: Identifying Power Front Seat 2 Terminal Connector End View
      GTY216696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the front seat cushion moves smoothly when the auxiliary battery is connected to the front vertical motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 2
        Auxiliary battery negative (-) → Terminal 1        		 Seat cushion moves downward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 2        		 Seat cushion moves upward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Front Vertical Motor (Front Seat Adjuster Assembly RH))

        If the result is not as specified, replace the front seat adjuster assembly RH.

  8. INSPECT SEPARATE TYPE FRONT SEATBACK SPRING ASSEMBLY (w/o Memory) 
    1. Check the operation of the reclining motor.
      Fig 17: Identifying Power Front Seat 2 Terminal Connector End View
      GTY216696Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the front seatback moves smoothly when the auxiliary battery is connected to the reclining motor connector terminals.

        OK

        Condition Operational Direction
        Auxiliary battery positive (+) → Terminal 2
        Auxiliary battery negative (-) → Terminal 1        		 Seatback moves forward
        Auxiliary battery positive (+) → Terminal 1
        Auxiliary battery negative (-) → Terminal 2        		 Seatback moves backward
        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Reclining Motor (Separate Type Front Seatback Spring Assembly))

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

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