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Inspection [09/2016 - ]: Procedure

  1. INSPECT LIGHT CONTROL RHEOSTAT (COMBINATION SWITCH ASSEMBLY) 
    GTY739737Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Component without harness connected
    (Light Control Rheostat Switch (Combination Switch Assembly))
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      8 (RV) - 6 (E) Light control rheostat up switch pressed Below 1 Ω
      Light control rheostat up switch not pressed 10 kΩ or higher
      8 (RV) - 6 (E) Light control rheostat down switch pressed 1.71 to 1.89 kΩ
      Light control rheostat down switch not pressed 10 kΩ or higher

      If the result is not as specified, replace the light control rheostat switch (combination switch assembly).

    2. Illumination Inspection
      GTY726595Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Light Control Rheostat Switch (Combination Switch Assembly))
      1. Apply auxiliary battery voltage to the light control rheostat switch (combination switch assembly) and check that it illuminates.

        OK

        Condition Specified Condition
        Auxiliary battery positive (+) → Terminal 10 (ILL+)
        Auxiliary battery negative (-) → Terminal 1 (ILL-)
        Illuminates

        If the result is not as specified, replace the light control rheostat switch (combination switch assembly).