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Front Power Seat Control System: Inspection

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT FRONT POWER SEAT SWITCH 
    1. Only on the driver side:

      Check the resistance between the terminals when each switch is operated.

      Fig 1: Inspecting Front Power Seat Switch
      G03553374Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      FRONT POWER SEAT SWITCH (SLIDE SWITCH)

      Tester Connection Switch Condition Specified Condition
      1 - 9 FRONT Below 1 Ω
      4 - 6 FRONT Below 1 Ω
      4 - 6 OFF Below 1 Ω
      4 - 9 OFF Below 1 Ω
      1 - 6 REAR Below 1 Ω
      4 - 9 REAR Below 1 Ω
      FRONT POWER SEAT SWITCH (FRONT VERTICAL SWITCH)

      Tester Connection Switch Condition Specified Condition
      1 - 10 UP Below 1 Ω
      4 - 5 UP Below 1 Ω
      4 - 5 OFF Below 1 Ω
      4 - 10 OFF Below 1 Ω
      1 - 5 DOWN Below 1 Ω
      4 - 10 DOWN Below 1 Ω
      FRONT POWER SEAT SWITCH (REAR VERTICAL SWITCH)

      Tester Connection Switch Condition Specified Condition
      1 - 7 UP Below 1 Ω
      4 - 8 UP Below 1 Ω
      4 - 7 OFF Below 1 Ω
      4 - 8 OFF Below 1 Ω
      1 - 8 DOWN Below 1 Ω
      4 - 7 DOWN Below 1 Ω
      FRONT POWER SEAT SWITCH (RECLINING SWITCH)

      Tester Connection Switch Condition Specified Condition
      1 - 3 FRONT Below 1 Ω
      2 - 4 FRONT Below 1 Ω
      2 - 4 OFF Below 1 Ω
      3 - 4 OFF Below 1 Ω
      1 - 2 REAR Below 1 Ω
      3 - 4 REAR Below 1 Ω

    If the result is not as specified, replace the switch.

  2. INSPECT POWER SEAT SWITCH ASSY (LUMBER SUPPORT) 
    1. Only on the driver side:

      Check the resistance between the terminals when the switch is operated.

      Fig 2: Inspecting Power Seat Switch Assy (Lumber Support)
      G03553375Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard: 

      POWER SEAT SWITCH

      Tester Connection Switch Condition Specified Condition
      1 - 2 HOLD Below 1 Ω
      3 - 4 HOLD Below 1 Ω
      1 - 2 OFF Below 1 Ω
      4 - 5 OFF Below 1 Ω
      1 - 3 RELEASE Below 1 Ω
      4 - 5 RELEASE Below 1 Ω

    If the result is not as specified, replace the switch assy.

  3. INSPECT FRONT SEAT ADJUSTER ASSY 
    1. Only on the driver side:

      Check operation of the slide motor.

      1. Check if the motor rotates smoothly when the battery is connected to the slide motor connector terminals.
        Fig 3: Inspecting Front Seat Adjuster Assy
        G03553376Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard: 

        FRONT SEAT ADJUSTER

        Measurement Condition Operational Direction
        Battery positive (+) --> 2
        Battery negative (-) --> 1        		 Clockwise
        Battery positive (+) --> 1
        Battery negative (-) --> 2        		 Counterclockwise

      If the result is not as specified, replace the slide motor.

    2. Only on the driver side:

      Check operation of the vertical motor.

      1. Check if the motor rotates smoothly when the battery is connected to the vertical motor connector terminals.
        Fig 4: Checking Operation Of Vertical Motor
        G03553377Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard: 

        FRONT VERTICAL MOTOR

        Measurement Condition Operational Direction
        Battery positive (+) --> 2
        Battery negative (-) --> 1        		 Clockwise
        Battery positive (+) --> 1
        Battery negative (-) --> 2        		 Counterclockwise

      If the result is not as specified, replace the vertical motor.

    3. Only on the driver side:

      Check operation of the rear vertical motor.

      1. Check if the motor rotates smoothly when the battery is connected to the rear vertical motor connector terminals.
        Fig 5: Checking Operation Of Rear Vertical Motor
        G03553378Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard: 

        REAR VERTICAL MOTOR

        Measurement Condition Operational Direction
        Battery positive (+) --> 2
        Battery negative (-) --> 1        		 Clockwise
        Battery positive (+) --> 1
        Battery negative (-) --> 2        		 Counterclockwise

      If the result is not as specified, replace the lifter motor.

    4. Only on the driver side:

      Check operation of the reclining motor.

      1. Check if the motor rotates smoothly when the battery is connected to the reclining motor connector terminals.
        Fig 6: Checking Operation Of Reclining Motor
        G03553379Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard: 

        RECLINING MOTOR

        Measurement Condition Operational Direction
        Battery positive (+) --> 2
        Battery negative (-) --> 1        		 Clockwise
        Battery positive (+) --> 1
        Battery negative (-) --> 2        		 Counterclockwise

      If the result is not as specified, replace the reclining motor.

  4. INSPECT LUMBAR SUPPORT ADJUSTER ASSY 
    1. Only on the driver side:

      Check operation of the lumbar support adjuster motor.

      1. Check if the motor rotates smoothly when the battery is connected to the lumbar support adjuster motor connector terminals.
        Fig 7: Checking Operation Of Lumbar Support Adjuster Motor
        G03553380Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        LUMBAR SUPPORT ADJUSTER MOTOR

        Measurement Condition Operational Direction
        Battery positive (+) --> 1
        Battery negative (-) --> 2        		 Clockwise
        Battery positive (+) --> 2
        Battery negative (-) --> 1        		 Counterclockwise

      If the result is not as specified, replace the adjuster motor.

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