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Inspection [02/2017 - ]: Procedure

  1. INSPECT LIGHT CONTROL RHEOSTAT 
    1. GTY755187Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Light Control Rheostat)
      *b Knob

      Inspect the light control rheostat.

      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        7 (T) - 1 (E) Always 8 to 12 kΩ
        3 (RV) - 1 (E) Knob turned fully upward 8 to 12 kΩ
        3 (RV) - 1 (E) Knob turned fully downward Below 50 Ω
        3 (RV) - 1 (E) Knob turned from fully upward to fully downward 8 to 12 kΩ → Below 50 Ω

        If the result is not as specified, replace the light control rheostat.

    2. GTY755188Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a (Light Control Rheostat)
      Component without harness connected
      *b Knob

      Inspect the TAIL cancel switch.

      HINT: 

      The TAIL cancel switch is built into the light control rheostat.

      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition
        7 (T) - 5 (TC) Knob turned fully upward
        (TAIL cancel condition)
        10 kΩ or higher
        7 (T) - 5 (TC) Knob not turned fully upward Below 1 Ω

        If the result is not as specified, replace the light control rheostat.