LANE DEPARTURE ALERT SYSTEM TERMINALS OF ECU


  1. CHECK FORWARD RECOGNITION CAMERA

    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 R20 forward recognition camera connector.


    1. CHECK FORWARD RECOGNITION CAMERA

      B0010TVE02
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      R20-7 (IGB) - Body ground B - Body ground Power source Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V
      R20-10 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω
      R20-5 (CA1P) - Body ground G - Body ground CAN communication signal Engine switch on (IG)

      Pulse generation

      (See waveform 1)
      R20-11 (CA1N) - Body ground B - Body ground CAN communication signal Engine switch on (IG)

      Pulse generation

      (See waveform 2)
      R20-6 (CANH) - Body ground R - Body ground CAN communication signal Engine switch on (IG)

      Pulse generation

      (See waveform 1)
      R20-12 (CANL) - Body ground P - Body ground CAN communication signal Engine switch on (IG)

      Pulse generation

      (See waveform 2)
    2. B0010WCE01
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 1


      1. CAN communication signal

        Item Content
        Terminal Name

        Between R20-5 (CA1P) and R20-10 (GND)

        Between R20-6 (CANH) and R20-10 (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.

    3. B0010UVE01
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 2


      1. CAN communication signal

        Item Content
        Terminal Name

        Between R20-11 (CA1N) and R20-10 (GND)

        Between R20-12 (CANL) and R20-10 (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.

  2. DRIVING SUPPORT ECU ASSEMBLY


    1. CHECK DRIVING SUPPORT ECU ASSEMBLY

      B00114RE02
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      E164-7 (B) - E164-28 (GND) P - BR Power source Engine switch on (IG) 11 to 14 V
      E164-8 (CA1P) - E164-28 (GND) W - BR CAN communication signal Engine switch on (IG)

      Pulse generation

      (See waveform 1)
      E164-9 (CA1N) - E164-28 (GND) P - BR CAN communication signal Engine switch on (IG)

      Pulse generation

      (See waveform 2)
      E164-10 (CA2H) - E164-28 (GND) L - BR CAN communication signal Engine switch on (IG)

      Pulse generation

      (See waveform 1)
      E164-11 (CA2L) - E164-28 (GND) B - BR CAN communication signal Engine switch on (IG)

      Pulse generation

      (See waveform 2)
      E164-23 (SPSW) - E164-28 (GND) W - BR Steering pad switch signal (lane departure alert main switch signal) Engine switch off, lane departure alert main switch off 10 kΩ or higher
      E164-23 (SPSW) - E164-28 (GND) W - BR Steering pad switch signal (lane departure alert main switch signal) Engine switch off, lane departure alert main switch on 235.2 to 244.8 Ω
      E164-28 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω
    2. B0010WCE01
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 1


      1. CAN communication signal

        Item Content
        Terminal Name

        Between E164-8 (CA1P) and E164-28 (GND)

        Between E164-10 (CA2H) and E164-28 (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.

    3. B0010UVE01
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 2


      1. CAN communication signal

        Item Content
        Terminal Name

        Between E164-9 (CA1N) and E164-28 (GND)

        Between E164-11 (CA2L) and E164-28 (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.