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Home >> Lexus >> 2012 >> IS F >> Repair and Diagnosis >> Body & Frame >> Seats >> Seats (Service Information) >> Front Seat Assembly >> Inspection >> Inspection

Front Seat Assembly: Inspection: Inspection

  1. INSPECT FRONT SEAT ASSEMBLY LH 
    1. Check operation of the seat frame (slide motor).
      Fig 1: Identifying U2 Slide Motor Connector Terminals
      GTY139872Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat frame moves smoothly when the battery is connected to the slide motor connector terminals.

        OK

        Measurement Condition Operational Direction
        Battery positive (+) → U2-1
        Battery negative (-) → U2-2        		 Forward
        Battery positive (+) → U2-2
        Battery negative (-) → U2-1        		 Backward

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

    2. Check operation of the seat frame (front vertical motor).
      Fig 2: Identifying U8 Front Vertical Motor Connector Terminals
      GTY120268Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat frame moves smoothly when the battery is connected to the front vertical motor connector terminals.

        OK

        Measurement Condition Operational Direction
        Battery positive (+) → U8-1
        Battery negative (-) → U8-2        		 Upward
        Battery positive (+) → U8-2
        Battery negative (-) → U8-1        		 Downward

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

    3. Check operation of the seat frame (lifter motor).
      Fig 3: Identifying U9 Lifter Motor Connector Terminals
      GTY120269Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat frame moves smoothly when the battery is connected to the lifter motor connector terminals.

        OK

        Measurement Condition Operational Direction
        Battery positive (+) → U9-2
        Battery negative (-) → U9-1        		 Upward
        Battery positive (+) → U9-1
        Battery negative (-) → U9-2        		 Downward

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

    4. Check operation of the seat frame (reclining motor).
      Fig 4: Identifying U5 Reclining Motor Connector Terminals
      GTY144271Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat frame moves smoothly when the battery is connected to the reclining motor connector terminals.

        OK

        Measurement Condition Operational Direction
        Battery positive (+) → U5-2
        Battery negative (-) → U5-1        		 Forward
        Battery positive (+) → U5-1
        Battery negative (-) → U5-2        		 Backward

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

  2. INSPECT FRONT SEAT ASSEMBLY RH 
    1. Check operation of the seat frame (slide motor).
      Fig 5: Identifying T1 Slide Motor Connector Terminals
      GTY139881Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat frame moves smoothly when the battery is connected to the slide motor connector terminals.

        OK

        Measurement Condition Operational Direction
        Battery positive (+) → T1-2
        Battery negative (-) → T1-1        		 Forward
        Battery positive (+) → T1-1
        Battery negative (-) → T1-2        		 Backward

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

    2. Check operation of the seat frame (front vertical motor).
      Fig 6: Identifying T4 Front Vertical Motor Connector Terminals
      GTY120270Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat frame moves smoothly when the battery is connected to the front vertical motor connector terminals.

        OK

        Measurement Condition Operational Direction
        Battery positive (+) → T4-2
        Battery negative (-) → T4-1        		 Upward
        Battery positive (+) → T4-1
        Battery negative (-) → T4-2        		 Downward

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

    3. Check operation of the seat frame (lifter motor).
      Fig 7: Identifying T5 Lifter Motor Connector Terminals
      GTY120271Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat frame moves smoothly when the battery is connected to the lifter motor connector terminals.

        OK

        Measurement Condition Operational Direction
        Battery positive (+) → T5-1
        Battery negative (-) → T5-2        		 Upward
        Battery positive (+) → T5-2
        Battery negative (-) → T5-1        		 Downward

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

    4. Check operation of the seat frame (reclining motor).
      Fig 8: Identifying T9 Reclining Motor Connector Terminals
      GTY120272Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the seat frame moves smoothly when the battery is connected to the reclining motor connector terminals.

        OK

        Measurement Condition Operational Direction
        Battery positive (+) → T9-2
        Battery negative (-) → T9-1        		 Forward
        Battery positive (+) → T9-1
        Battery negative (-) → T9-2        		 Backward

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

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