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Steering Pad Switch: Inspection

  1. INSPECT STEERING PAD SWITCH (w/o Navigation System) 
    1. Disconnect the steering pad switch assembly connector.
      Fig 1: Identifying Steering Pad Switch Assembly Connector (w/o Navigation System)
      G04380148Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the values in the table below.

      Standard resistance 

      STANDARD RESISTANCE

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

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

  2. INSPECT STEERING PAD SWITCH (w/ Navigation System) 
    1. Disconnect the steering pad switch assembly connector.
      Fig 2: Identifying Steering Pad Switch Assembly Connector (w/ Navigation System)
      G04380149Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the values in the table below.

      Standard resistance 

      STANDARD RESISTANCE

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

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