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Steering Pad Switch: Inspection

WARNING: This page is about a different car, the 2007 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT STEERING PAD SWITCH 
    1. Disconnect the steering pad switch assembly connector.
      Fig 1: Inspecting Steering Pad Switch
      G05132451Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the values in the table below.

      Standard resistance 

      STANDARD RESISTANCE SPECIFICATION

      Tester connection Condition Specified condition
      AU1-EAU No switch is pushed Approx. 100 kΩ
      AU1-EAU SEEK+ switch: push 0 to 2.5 Ω
      AU1-EAU SEEK-switch: push Approx. 0.3 kΩ
      AU1-EAU VOL+ switch: push Approx. 1 kΩ
      AU1-EAU VOL- switch: push Approx. 3.1 kΩ
      AU2-EAU No switch is pushed Approx. 100 kΩ
      AU2-EAU MODE switch: push 0 to 2.5 Ω
      AU2-EAU VOICE switch: push ((2)) Approx. 3.1 kΩ
      AU2-EAU ON HOOK switch: push ((1)), ((2)) Approx. 0.3 kΩ
      AU2-EAU OFF HOOK switch: push ((1)), ((2)) Approx. 1 kΩ
      (1) for Separate Type Amplifier System
      (2) with Navigation System

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

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