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On-Vehicle Inspection

WARNING: This page is about a different car, the 2007 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK STEERING PAD ASSEMBLY (VEHICLE NOT INVOLVED IN COLLISION AND AIRBAG NOT DEPLOYED) 
    1. Perform a diagnostic system check (see DIAGNOSIS SYSTEM  ).
    2. With the steering pad (with airbag) installed on the vehicle, perform a visual check:
      Fig 1: Identifying Steering Wheel And Steering Pad Assembly
      G05292277Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Check for cuts, cracks or discoloration on the steering pad outer surface and in the grooved portion.

      If any of the defects mentioned above are present, replace the steering pad assembly with a new one.

      CAUTION: For removal and installation of the steering pad assembly, be sure to follow the correct procedures.
  2. CHECK STEERING PAD ASSEMBLY (VEHICLE INVOLVED IN COLLISION AND AIRBAG NOT DEPLOYED) 
    1. Perform a diagnostic system check (see DIAGNOSIS SYSTEM  ).
    2. With the steering pad (with airbag) removed from the vehicle, perform a visual check:
      • Check for cuts, cracks or discoloration on the steering pad outer surface and in the grooved portion.
        Fig 2: Identifying Steering Pad Assembly (With Airbag)
        G05292278Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      • Check for cuts and cracks in the wire harness, and chipping on the connectors.
      • Check for deformation on the steering wheel.
      • Check for deformation of the steering pad contact plates.

      If any of the defects mentioned above are present, replace the steering pad assembly with a new one.

      CAUTION: For removal and installation of the steering pad assembly, be sure to follow the correct procedures.

      HINT:

      • If the steering pad contact plates are deformed, never repair them. Always replace the steering pad assembly with a new one.
      • There should be no interference between the steering pad and steering wheel, and the clearance should be uniform all the way around when the new steering pad is installed on the steering wheel.
        Fig 3: Identifying Steering Pad Contact Plate
        G05292279Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002