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Lumbar Support Adjuster Assembly: Inspection

  1. INSPECT LUMBAR SUPPORT ADJUSTER ASSEMBLY 
    1. Inspect the LH side lumbar support adjuster motor.
      1. Check if the lumbar support adjuster moves smoothly when the battery is connected to the lumbar support adjuster motor connector terminal.
        Fig 1: Inspecting LH Side Lumbar Support Adjuster Motor
        G04967316Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        OK 

        BATTERY VOLTAGE SPECIFICATION

        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 lumbar support adjuster assembly.

    2. Inspect the RH side lumbar support adjuster motor.
      1. Check if the lumbar support adjuster moves smoothly when the battery is connected to the lumbar support adjuster motor connector terminal.

        OK 

        BATTERY VOLTAGE SPECIFICATION

        Measurement Condition Operational Direction
        Battery positive (+) → 1
        Battery negative (-) → 2
        Clockwise
        Battery positive (+) → 2
        Battery negative (-) → 1
        Counterclockwise
        Fig 2: Inspecting RH Side Lumbar Support Adjuster Motor
        G04967316Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        If the result is not as specified, replace the lumbar support adjuster assembly.