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Inspection [08/2015 - 08/2019]: Procedure

  1. INSPECT LIGHT CONTROL RHEOSTAT 
    1. Measure the resistance according to the value(s) in the table below.
      GTY646537Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      1 (DOWN) - 8 (E) Down switch pushed Below 1 Ω
      Down switch not pushed 10 kΩ or higher
      2 (UP) - 8 (E) Up switch pushed Below 1 Ω
      Up switch not pushed 10 kΩ or higher

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

    2. Inspect the switch illumination.
      1. Apply battery voltage between the terminals of the light and check the operation of the light.

        OK

        Measurement Condition Specified Condition
        Battery positive (+) → Terminal 3 (ILL+)
        Battery negative (-) → Terminal 7 (ILL-)
        Light comes on

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

        TEXT IN ILLUSTRATION

        *a Component without harness connected
        (Light Control Rheostat)
        *b Up
        *c Down