LANE DEPARTURE ALERT SYSTEM TERMINALS OF ECU


  1. CHECK LANE DEPARTURE WARNING CAMERA

    A01MHGGE30
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    W7-4 (LKSW) - W7-11 (GND) GR - W - B Lane Departure Alert Main Switch Signal Power switch on (IG), lane departure alert main switch off 11 to 14 V
    Power switch on (IG), lane departure alert main switch on 6 to 7 V
    W7-6 (CA1P) - W7-11 (GND) B - W - B CAN communication signal Power switch on (IG)

    Pulse generation

    (Waveform 1)
    W7-7 (IGB) - W7-11 (GND) SB - W - B Power source Power switch on (IG) 11 to 14 V
    W7-11 (GND) - Body ground W - B - Body ground Ground Always Below 1 Ω
    W7-12 (CA1N) - W7-11 (GND) W - W - B CAN communication signal Power switch on (IG)

    Pulse generation

    (Waveform 1)

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

    Tech Tips

    Oscilloscope waveform samples are provided here for reference only. Noise and fluctuating waveforms have been omitted.


    1. A01MFISE09

      Waveform 1 (CAN communication signal)

      Item Content
      Terminal Name

      CH1: W7-6 (CA1P) - W7-11 (GND)

      CH2: W7-12 (CA1N) - W7-11 (GND)
      Tester Range 1 V/DIV., 50 μs./DIV.
      Condition Power switch on (IG)

      Tech Tips

      The waveform will vary depending on the content of the digital communication (digital signal).

  2. CHECK DRIVING SUPPORT ECU ASSEMBLY

    A01MJM5E53

    Note

    Do not apply excessive force to the connector. If a force of 10 kg or more is applied, the connector may brake.

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    G72-6 (SPSW) - G72-25 (GND) V - W - B Lane departure alert main switch (steering pad switch assembly) signal Power switch on (IG), lane departure alert main switch (steering pad switch assembly) off 1 MΩ or higher
    Power switch on (IG), lane departure alert main switch (steering pad switch assembly) on 228 to 252 Ω
    G72-17 (CA2L) - G72-25 (GND) W - W - B CAN communication signal Power switch on (IG)

    Pulse generation

    (Waveform 1)
    G72-18 (CA1N) - G72-25 (GND) W - W - B CAN communication signal Power switch on (IG)

    Pulse generation

    (Waveform 2)
    G72-25 (GND) - Body ground W - B - Body ground Ground Always Below 1 Ω
    G72-27 (STP-) - G72-25 (GND) LG - W - B Stop light switch assembly signal Brake pedal depressed Below 1.5 V
    Brake pedal released 7.5 to 14 V
    G72-28 (ST1-) - G72-25 (GND) GR - W - B Stop light switch assembly signal (opposite to STP terminal) Power switch on (IG), Brake pedal depressed Below 1.5 V
    Power switch on (IG), Brake pedal released 7.5 to 14 V
    G72-30 (B) - G72-25 (GND) G - W - B Power source Power switch on (IG) 11 to 14 V
    G72-39 (CA2H) - G72-25 (GND) BR - W - B CAN communication signal Power switch on (IG)

    Pulse generation

    (Waveform 1)
    G72-40 (CA1P) - G72-25 (GND) B - W - B CAN communication signal Power switch on (IG)

    Pulse generation

    (Waveform 2)

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

    Tech Tips

    Oscilloscope waveform samples are provided here for reference only. Noise and fluctuating waveforms have been omitted.


    1. A01MFISE09

      Waveform 1 (CAN communication signal)

      Item Content
      Terminal Name

      CH1: G72-39 (CA2H) - G72-25 (GND)

      CH2: G72-17 (CA2L) - G72-25 (GND)
      Tester Range 1 V/DIV., 50 μs./DIV.
      Condition Power switch on (IG)

      Tech Tips

      The waveform will vary depending on the content of the digital communication (digital signal).

    2. A01MFISE09

      Waveform 2 (CAN communication signal)

      Item Content
      Terminal Name

      CH1: G72-40 (CA1P) - G72-25 (GND)

      CH2: G72-18 (CA1N) - G72-25 (GND)
      Tester Range 1 V/DIV., 50 μs./DIV.
      Condition Power switch on (IG)

      Tech Tips

      The waveform will vary depending on the content of the digital communication (digital signal).