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Terminals Of Ecu [07/2015 - ]

  1. CHECK DRIVING SUPPORT ECU ASSEMBLY 
    Fig 1: Identifying Driving Support ECU Assembly Terminal
    GTY613693Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H182-3 (BZ) - H182-28 (GND) P - W-B Skid control buzzer assembly output Power switch on (IG), buzzer not sounding 11 to 14 V
    H182-7 (B) - H182-28 (GND) Y - W-B Power source Power switch on (IG) 11 to 14 V
    H182-8 (CA1P) - H182-28 (GND) P - W-B CAN communication signal Power switch on (IG) Pulse generation
    (See waveform 1)
    H182-9 (CA1N) - H182-28 (GND) GR - W-B CAN communication signal Power switch on (IG) Pulse generation
    (See waveform 2)
    H182-10 (CA2H) - H182-28 (GND) B - W-B CAN communication signal Power switch on (IG) Pulse generation
    (See waveform 1)
    H182-11 (CA2L) - H182-28 (GND) LG - W-B CAN communication signal Power switch on (IG) Pulse generation
    (See waveform 2)
    H182-28 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    1. WAVEFORM 1
      Fig 2: Waveform 1
      GTY633330Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. CAN communication signal
        Item Content
        Terminal Name Between H182-8 (CA1P) and H182-28 (GND)
        Between H182-10 (CA2H) and H182-28 (GND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        HINT: 

        The waveform varies depending on the CAN communication signal.

    2. WAVEFORM 2
      Fig 3: Waveform 2
      GTY625499Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. CAN communication signal
        Item Content
        Terminal Name Between H182-9 (CA1N) and H182-28 (GND)
        Between H182-11 (CA2L) and H182-28 (GND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        HINT: 

        The waveform varies depending on the CAN communication signal.

  2. CHECK MILLIMETER WAVE RADAR SENSOR 
    Fig 4: A75 Connector End View
    GTY654356Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    A75-1 (SGND) - Body ground BR - Body ground Ground Always Below 1 Ω
    A75-2 (CA2L) - A75-1 (SGND) P - BR CAN communication signal Power switch on (IG) Pulse generation
    (see waveform 2)
    A75-3 (CA2H) - A75-1 (SGND) W - BR CAN communication signal Power switch on (IG) Pulse generation
    (see waveform 1)
    A75-5 (CA1P) - A75-1 (SGND) B - BR CAN communication signal Power switch on (IG) Pulse generation
    (see waveform 1)
    A75-6 (CA1N) - A75-1 (SGND) W - BR CAN communication signal Power switch on (IG) Pulse generation
    (see waveform 2)
    A75-8 (IGB) - A75-1 (SGND) R - BR Power source Power switch on (IG) 11 to 14 V
    1. WAVEFORM 1
      Fig 5: Waveform 1
      GTY633330Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. CAN communication signal
        Item Content
        Terminal Name Between A75-3 (CA2H) and A75-1 (SGND)
        Between A75-5 (CA1P) and A75-1 (SGND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        HINT: 

        The waveform varies depending on the CAN communication signal.

    2. WAVEFORM 2
      Fig 6: Waveform 2
      GTY625499Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. CAN communication signal
        Item Content
        Terminal Name Between A75-2 (CA2L) and A75-1 (SGND)
        Between A75-6 (CA1N) and A75-1 (SGND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        HINT: 

        The waveform varies depending on the CAN communication signal.

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