FORWARD RECOGNITION CAMERA SYSTEM TERMINALS OF ECU


  1. CHECK FORWARD RECOGNITION CAMERA

    B0059VEE03

    1. Disconnect the T17 forward recognition camera connector.

      Note


      • DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the GTS once the inspection has been completed.

      • Do not apply excessive force to the T17 forward recognition camera connector.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Tech Tips

      If the result is not as specified, there may be a malfunction on the wire harness side.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      T17-7 (IGB) - Body ground GR - Body ground Power source Engine switch on (IG)

      11 to 14 V*1

      10.5 to 16 V*2
      Engine switch off Below 1 V
      T17-10 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

      *1: w/o Stop and Start System

      *2: w/ Stop and Start System

    3. Reconnect the T17 forward recognition camera connector.

    4. Measure the voltage according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      T17-1 (HTR) - Body ground P - Body ground Forward recognition with heater hood sub-assembly operation signal

      Engine switch on (IG)

      Forward recognition with heater hood sub-assembly not operating

      11 to 14 V*1

      10.5 to 16 V*2

      Engine switch on (IG)

      Forward recognition with heater hood sub-assembly operating

      		 Below 1 V

      *1: w/o Stop and Start System

      *2: w/ Stop and Start System

    5. Check for pulses according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      T17-5 (CA1P) - T17-10 (GND) B - BR CAN communication signal Engine switch on (IG)

      Pulse generation

      (See waveform 1)
      T17-11 (CA1N) - T17-10 (GND) W - BR CAN communication signal Engine switch on (IG)

      Pulse generation

      (See waveform 2)
      T17-6 (CANH) - T17-10 (GND) B - BR CAN communication signal Engine switch on (IG)

      Pulse generation

      (See waveform 1)
      T17-12 (CANL) - T17-10 (GND) W - BR CAN communication signal Engine switch on (IG)

      Pulse generation

      (See waveform 2)

    6. WAVEFORM 1


      1. B0058O2E97
        *a 1 V/DIV.
        *b 10 μsec./DIV.

        CAN communication signal

        Item Content
        Terminal Name

        Between T17-5 (CA1P) and T17-10 (GND)

        Between T17-6 (CANH) and T17-10 (GND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Engine switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    7. WAVEFORM 2


      1. B005BBTE89
        *a 1 V/DIV.
        *b 10 μsec./DIV.

        CAN communication signal

        Item Content
        Terminal Name

        Between T17-11 (CA1N) and T17-10 (GND)

        Between T17-12 (CANL) and T17-10 (GND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Engine switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.