LANE DEPARTURE ALERT SYSTEM (w/o Dynamic Radar Cruise Control System) TERMINALS OF ECU


  1. CHECK LANE DEPARTURE WARNING CAMERA

    A01G974E02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    T12-4 (LKSW) - T12-11 (GND) R - W-B Lane departure alert main switch signal Engine switch on (IG), steering pad switch off 1 MΩ or higher
    Engine switch on (IG), steering pad switch on (Lane departure alert main switch on) 228 to 252 Ω
    T12-6 (CA1P) - T12-11 (GND) B - W-B CAN communication signal Engine switch on (IG)

    Pulse generation

    (Waveform 1)
    T12-7 (IGB) - T12-11 (GND) V - W-B Power source Engine switch on (IG) 11 to 14 V
    T12-8 (BZ) - Body ground L - Body ground Skid control buzzer assembly output Engine switch on (IG), buzzer not sounding 11 to 14 V
    Engine switch on (IG), buzzer sounding 0 to 1.5 V
    T12-11 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    T12-12 (CA1N) - T12-11 (GND) W - W-B CAN communication signal Engine 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 informational purposes. Noise and fluttering waveforms have been omitted.


    1. A01G8XKE01

      Waveform 1 (CAN communication signal)

      Item Content
      Terminal Name

      CH1: T12-6 (CA1P) - T12-11 (GND)

      CH2: T12-12 (CA1N) - T12-11 (GND)
      Tester Range 1 V/DIV., 50 μs./DIV.
      Condition Engine switch on (IG)

      Tech Tips

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