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Engine Switch: Inspection: Inspection

  1. INSPECT ENGINE SWITCH 
    1. Measure the resistance according to the value(s) in the table below.
      Fig 1: Identifying Engine Switch
      GTY217604Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      7 (SS1) - 5 (GND) Pushed Below 1 Ω
      Not pushed 10 kΩ or higher
      2 (SS2) - 5 (GND) Pushed Below 1 Ω
      Not pushed 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Engine Switch)

      If the result is not as specified, replace the engine switch.

    2. Apply battery voltage to the terminals of the switch and check the illumination condition of the switch.
      Fig 2: Identifying Engine Switch And Indicator Light
      GTY215662Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Indicator Light - -
      *a Component without harness connected
      (Engine Switch)      		 - -

      OK

      Measurement Condition Specified Condition
      Battery positive (+) → terminal 11 (SWIL)
      Battery negative (-) → terminal 5 (GND)      		 Illuminates (illumination of lettering)
      Battery positive (+) → terminal 12 (INDS)
      Battery negative (-) → terminal 5 (GND)      		 Illuminates (green)
      Battery positive (+) → terminal 13 (INDW)
      Battery negative (-) → terminal 5 (GND)      		 Illuminates (amber)
      NOTE:
      • If the positive (+) lead and negative (-) lead are incorrectly connected, the engine switch indicator will not illuminate.
      • If the voltage is too low, the indicator will not illuminate.

      If the result is not as specified, replace the engine switch.

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