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Inspection [12/2023 - ]: Procedure

  1. INSPECT LIGHT CONTROL RHEOSTAT (TRIP SWITCH) 
    1. Check the resistance.
      GTY1212431Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Up Switch
      *b Down Switch
      *c 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
        E78-5 (RV) - E78-7 (E) Up switch pressed Below 8 Ω
        E78-5 (RV) - E78-7 (E) Up switch not pressed 10 kΩ or higher
        E78-5 (RV) - E78-7 (E) Down switch pressed 1.71 to 1.89 kΩ
        E78-5 (RV) - E78-7 (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.
      GTY1212432Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Light Control Rheostat (Trip Switch))
      1. Apply battery voltage to the connector and check the light illumination condition.

        OK

        Tester Connection Specified Condition
        E78-3 (ILL+) - Battery positive (+)
        E78-8 (ILL-) - Battery negative (-)
        Illuminates

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