FixVault

Steering Pad Switch: Inspection

  1. INSPECT STEERING PAD SWITCH LH 
    1. Measure the resistance according to the values in the table below.
      Fig 1: Identifying Steering Pad Switch RH Screw, Claws And Pin
      G05270738Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Fig 2: Inspecting Steering Pad Switch LH
      G05270739Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      STANDARD RESISTANCE

      Tester connection Condition Specified condition
      AU1 - EAU No switch is pushed Approx. 100 kΩ
      AU1 - EAU SEEK+ switch: push Approx. 0 Ω
      AU1 - EAU SEEK-switch: push Approx. 0.3 kΩ
      AU1 - EAU VOL+ switch: push Approx. 1 kΩ
      AU1 - EAU VOL- switch: push Approx. 3.2 kΩ
      AU2 - EAU No switch is pushed Approx. 100 kΩ
      AU2 - EAU MODE switch: push Approx. 0 Ω

      If the result is not as specified, replace the steering pad switch LH.

  2. INSPECT STEERING PAD SWITCH CABLE SUB-ASSEMBLY 
    1. Measure the resistance according to the values in the table below.
      Fig 3: Inspecting Steering Pad Switch Cable Sub-Assembly
      G05280717Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      STANDARD RESISTANCE

      Tester connection Condition Specified condition
      A-1 - B-1 Always Below 1 Ω
      A-2 - B-2 Always Below 1 Ω
      A-3 - B-3 Always Below 1 Ω
      A-4 - B-4 Always Below 1 Ω
      A-5 - B-5 Always Below 1 Ω
      A-6 - B-6 Always Below 1 Ω
      A-7 - B-7 Always Below 1 Ω
      A-8 - B-8 Always Below 1 Ω

      If the result is not as specified, replace the steering pad switch cable sub-assembly.

  3. INSPECT STEERING PAD SWITCH RH 
    1. Measure the resistance according to the values in the table below.
      Fig 4: Inspecting Steering Pad Switch RH
      G05280718Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard resistance 

      STANDARD RESISTANCE

      Tester connection Condition Specified condition
      AU2 - EAU No switch is pushed Approx. 100 kΩ
      AU2 - EAU VOICE switch: push Approx. 3.2 kΩ
      AU2 - EAU ON HOOK switch: push Approx. 0.3 kΩ
      AU2 - EAU OFF HOOK switch: push Approx. 1.0 kΩ

      If the result is not as specified, replace the steering pad switch RH.