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Home >> Lexus >> 2021 >> LC 500 2D Coupe >> Repair and Diagnosis >> Accessories & Equipment >> Seats >> Seats - Service Information (Coupe) (2 Of 2) >> Lumbar Support Adjuster Assembly >> Inspection [03/2017 - ] >> Procedure

Inspection [03/2017 - ]: Procedure

  1. INSPECT LUMBAR SUPPORT ADJUSTER ASSEMBLY LH (for Driver Seat) 
    1. Check the operation of the lumbar support adjuster assembly LH.
      GTY436085Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Lumbar Support Adjuster Assembly LH)
      1. Check that the lumbar support adjuster assembly LH moves smoothly when the battery is connected to the connector terminals.

        OK

        Battery Connection Operational Direction
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 2
        Forward
        Battery positive (+) → Terminal 2
        Battery negative (-) → Terminal 1
        Backward

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

  2. INSPECT LUMBAR SUPPORT ADJUSTER ASSEMBLY RH (for Front Passenger Seat) 
    1. Check the operation of the lumbar support adjuster assembly RH.
      GTY436085Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Lumbar Support Adjuster Assembly RH)
      1. Check that the lumbar support adjuster assembly RH moves smoothly when the battery is connected to the connector terminals.

        OK

        Battery Connection Operational Direction
        Battery positive (+) → Terminal 1
        Battery negative (-) → Terminal 2
        Forward
        Battery positive (+) → Terminal 2
        Battery negative (-) → Terminal 1
        Backward

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