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Front Power Seat Control System: Inspection

WARNING: This page is about a different car, the 2007 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:

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

      Resistance: 

      Slide switch 

      Fig 1: Identifying Front Power Seat Switch Connector Terminals
      G05132650Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Switch Condition Specified Condition
      1 (B) - 9 (SLDF) FRONT Below 1 Ω
      4 (E) - 6 (SLDR) FRONT Below 1 Ω
      4 (E) - 6 (SLDR) OFF Below 1 Ω
      4 (E) - 9 (SLDF) OFF Below 1 Ω
      1 (B) - 6 (SLDR) REAR Below 1 Ω
      4 (E) - 9 (SLDF) REAR Below 1 Ω

      Front vertical switch 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Switch Condition Specified Condition
      1 (B) -10 (FUP) UP Below 1 Ω
      4 (E) - 5 (FDWN) UP Below 1 Ω
      4 (E) - 5 (FDWN) OFF Below 1 Ω
      4 (E)-10 (FUP) OFF Below 1 Ω
      1 (B) - 5 (FDWN) DOWN Below 1 Ω
      4 (E)-10 (FUP) DOWN Below 1 Ω

      Lifter switch 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Switch Condition Specified Condition
      1 (B) - 7 (LUP) UP Below 1 Ω
      4 (E) - 8 (LDWN) UP Below 1 Ω
      4 (E) - 7 (LUP) OFF Below 1 Ω
      4 (E) - 8 (LDWN) OFF Below 1 Ω
      1 (B) - 8 (LDWN) DOWN Below 1 Ω
      4 (E)-7 (LUP) DOWN Below 1 Ω

      Reclining switch 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Switch Condition Specified Condition
      1 (B) - 3 (RCLF) FRONT Below 1 Ω
      2 (RCLR) - 4 (E) FRONT Below 1 Ω
      2 (RCLR) - 4 (E) OFF Below 1 Ω
      3 (RCLF) - 4 (E) OFF Below 1 Ω
      1 (B) - 2 (RCLR) REAR Below 1 Ω
      3 (RCLF) - 4 (E) REAR Below 1 Ω

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

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

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

      Standard Resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Switch Condition Specified Condition
      1(R)-2(E2) HOLD Below 1 Ω
      3(B)-4(H) HOLD Below 1 Ω
      1(R)-2(E2) OFF Below 1 Ω
      4(H)-5(E1) OFF Below 1 Ω
      1(R)-3(B) RELEASE Below 1 Ω
      4(H)-5(E1) RELEASE Below 1 Ω

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

      Fig 2: Inspecting Power Seat Switch Assembly (Lumbar Support)
      G05132651Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT FRONT SEAT ADJUSTER ASSEMBLY 
    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.

        OK 

        MEASUREMENT CONDITION OPERATIONAL DIRECTION CHART

        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.

        Fig 3: Checking Slide Motor Rotation Direction
        G05132652Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

        OK 

        MEASUREMENT CONDITION OPERATIONAL DIRECTION CHART

        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.

        Fig 4: Checking Vertical Motor Rotation Direction
        G05132653Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Only on the driver side:

      Check operation of the lifter motor.

      1. Check if the motor rotates smoothly when the battery is connected to the lifter motor connector terminals.

        OK 

        MEASUREMENT CONDITION OPERATIONAL DIRECTION CHART

        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.

        Fig 5: Checking Lifter Motor Rotation Direction
        G05132654Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.

        OK 

        MEASUREMENT CONDITION OPERATIONAL DIRECTION CHART

        Measurement Condition Operational Direction
        Battery positive (+) → 2
        Battery negative (-) → 1        		 Clockwise
        Battery positive (+) → 1
        Battery negative (-) → 2        		 Counterclockwise
        Fig 6: Checking Reclining Motor Rotation Direction
        G05132655Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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

  4. INSPECT LUMBAR SUPPORT ADJUSTER ASSEMBLY 
    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.

        OK 

        MEASUREMENT CONDITION OPERATIONAL DIRECTION CHART

        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.

        Fig 7: Checking Lumbar Support Adjuster Motor Rotation Direction
        G05132656Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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