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Lumbar Support Adjuster Assembly: Inspection

  1. INSPECT LUMBAR SUPPORT ADJUSTER ASSEMBLY 
    1. Check operation of the lumbar support adjuster motor.
      Fig 1: Identifying Lumbar Support Adjuster Assembly
      G04967316Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Check if the lumbar support adjuster moves smoothly when the battery is connected to the lumbar support adjuster motor connector terminals.

        OK 

        MEASUREMENT CONDITION AND 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 lumbar support adjuster assembly.