LANE DEPARTURE ALERT SYSTEM TERMINALS OF ECU


  1. CHECK LANE DEPARTURE WARNING CAMERA

    A01I2OAE06
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    S20-4 (LKSW) - S20-11 (GND) R - W-B Lane-keeping assist main switch signal Power switch on (IG), lane-keeping assist main switch off 4 V or higher
    S20-4 (LKSW) - S20-11 (GND) R - W-B Lane-keeping assist main switch signal Power switch on (IG), lane-keeping assist main switch on Below 1 V
    S20-6 (CA1P) - S20-11 (GND) V - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (Waveform 1)
    S20-7 (IGB) - S20-11 (GND) GR - W-B Power source Power switch on (IG) 11 to 14 V
    S20-11 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    S20-12 (CA1N) - S20-11 (GND) LG - 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. A01I2DWE01

      Waveform 1 (CAN communication signal)

      Item Content
      Terminal Name

      CH1: S20-6 (CA1P) - S20-11 (GND)

      CH2: S20-12 (CA1N) - S20-11 (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).