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Terminals Of Ecu [11/2023 - ]

  1. CHECK VOLTAGE INVERTER ASSEMBLY 
    Fig 1: Check Voltage Inverter Assembly [11/2023 - ]
    GTY878261Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Measure the voltage and resistance according to the value(s) in the table below.
      Terminal No. (Symbol) Terminal Description Condition Specified Condition
      M79-1 (IG) - Body ground Ignition switch signal Ignition switch ON 11 to 14 V
      M79-3 (AC1) - M79-7 (AC2) Output voltage Ignition switch off Below 1 V
      Ignition switch ON and voltage output AC 121 to 165 V
      (See waveform 1)
      M79-4 (GND) - Body ground Ground Always Below 1 Ω
      M79-5 (EXCD) - Body ground Idle up signal Ignition switch ON, and load using 50 W or more connected to power outlet socket assembly 4 V or more
      1. Waveform 1 (Reference): Using an oscilloscope
        Item Content
        Tool setting 50 V/DIV., 5 ms./DIV.
        Condition Ignition switch ON and voltage output
        GTY436168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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