LANE DEPARTURE ALERT SYSTEM TERMINALS OF ECU


  1. CHECK LANE DEPARTURE WARNING CAMERA

    A005ES9E02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    U13-4 (LKSW) - U13-11 (GND) Y - W-B Lane departure alert main switch Power switch on (IG), lane departure alert main switch (integration control and panel assembly) off 4 V or higher
    U13-4 (LKSW) - U13-11 (GND) Y - W-B Lane departure alert main switch Power switch on (IG), lane departure alert main switch (integration control and panel assembly) on Below 1 V
    U13-6 (CA1P) - U13-11 (GND) B - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (Waveform 1)
    U13-7 (IGB) - U13-11 (GND) V - W-B Power source Power switch on (IG) 11 to 14 V
    U13-11 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    U13-12 (CA1N) - U13-11 (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. A005DSCE04

      Waveform 1 (CAN communication signal)

      Item Content
      Terminal Name

      CH1: U13-6 (CA1P) - U13-11 (GND)

      CH2: U13-12 (CA1N) - U13-11 (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).