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Inspection [11/2020 - ]: Procedure

  1. INSPECT LIGHT CONTROL RHEOSTAT (TRIP SWITCH) 
    1. Check the resistance.
      GTY992350Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Up Switch
      *2 Down Switch
      *a Component without harness connected
      (Light Control Rheostat (Trip Switch))
      1. Measure the resistance according to the value(s) in the table below.

        Standard Resistance

        Tester Connection Switch Condition Specified Condition Result
        D7-5 (RV) - D7-1 (E) Up switch pressed Below 1 Ω Ω
        D7-5 (RV) - D7-1 (E) Up switch not pressed 10 kΩ or higher
        D7-5 (RV) - D7-1 (E) Down switch pressed 1.71 to 1.89 kΩ
        D7-5 (RV) - D7-1 (E) Down switch not pressed 10 kΩ or higher

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

    2. Check illumination.
      GTY992346Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Headup Display Switch (Trip Switch))
      1. Apply auxiliary battery voltage to the connector and check the light illumination condition.

        OK

        Tester Connection Specified Condition
        Auxiliary battery positive (+) - D7-10 (ILL+)
        Auxiliary battery negative (-) - D7-6 (ILL-)
        Illuminates

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