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Terminals Of Ecu [10/2015 - ]

  1. CHECK DRIVING SUPPORT ECU ASSEMBLY 
    Fig 1: Driving Support ECU Assembly Connector End View
    GTY626612Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    K4-3 (BZ) - K4-28 (GND) P - BR Skid control buzzer output Engine switch on (IG), buzzer not sounding 11 to 14 V
    K4-7 (B) - K4-28 (GND) L - BR Power source Engine switch on (IG) 11 to 14 V
    K4-8 (CA1P) - K4-28 (GND) Y - BR CAN communication signal Engine switch on (IG) Pulse generation
    (See waveform 1)
    K4-9 (CA1N) - K4-28 (GND) W - BR CAN communication signal Engine switch on (IG) Pulse generation
    (See waveform 2)
    K4-10 (CA2H) - K4-28 (GND) B - BR CAN communication signal Engine switch on (IG) Pulse generation
    (See waveform 1)
    K4-11 (CA2L) - K4-28 (GND) L - BR CAN communication signal Engine switch on (IG) Pulse generation
    (See waveform 2)
    K4-28 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω
    1. WAVEFORM 1
      Fig 2: Waveform 1
      GTY617541Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. CAN communication signal
        Item Content
        Terminal Name Between K4-8 (CA1P) and K4-28 (GND)
        Between K4-10 (CA2H) and K4-28 (GND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Engine switch on (IG)

        HINT: 

        The waveform varies depending on the CAN communication signal.

    2. WAVEFORM 2
      Fig 3: Waveform 2
      GTY627920Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. CAN communication signal
        Item Content
        Terminal Name Between K4-9 (CA1N) and K4-28 (GND)
        Between K4-11 (CA2L) and K4-28 (GND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Engine switch on (IG)

        HINT: 

        The waveform varies depending on the CAN communication signal.

  2. CHECK MILLIMETER WAVE RADAR SENSOR 
    Fig 4: Millimeter Wave Radar Sensor Connector End View
    GTY627605Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    B5-1 (SGND) - Body ground BR - Body ground Ground Always Below 1 Ω
    B5-2 (CA2L) - B5-1 (SGND) L - BR CAN communication signal Engine switch on (IG) Pulse generation
    (See waveform 2)
    B5-3 (CA2H) - B5-1 (SGND) B - BR CAN communication signal Engine switch on (IG) Pulse generation
    (See waveform 1)
    B5-5 (CA1P) - B5-1 (SGND) Y - BR CAN communication signal Engine switch on (IG) Pulse generation
    (See waveform 1)
    B5-6 (CA1N) - B5-1 (SGND) W - BR CAN communication signal Engine switch on (IG) Pulse generation
    (See waveform 2)
    B5-8 (IGB) - B5-1 (SGND) W - BR Power source Engine switch on (IG) 11 to 14 V
    1. WAVEFORM 1
      Fig 5: Waveform 1
      GTY617541Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. CAN communication signal
        Item Content
        Terminal Name Between B5-3 (CA2H) and B5-1 (SGND)
        Between B5-5 (CA1P) and B5-1 (SGND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Engine switch on (IG)

        HINT: 

        The waveform varies depending on the CAN communication signal.

    2. WAVEFORM 2
      Fig 6: Waveform 2
      GTY627920Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. CAN communication signal
        Item Content
        Terminal Name Between B5-2 (CA2L) and B5-1 (SGND)
        Between B5-6 (CA1N) and B5-1 (SGND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Engine switch on (IG)

        HINT: 

        The waveform varies depending on the CAN communication signal.

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