LANE DEPARTURE ALERT SYSTEM TERMINALS OF ECU

  1. CHECK LANE DEPARTURE WARNING CAMERA

    E256359E04

    Terminal No. (Symbol)

    Wiring Color

    Terminal Description

    Condition

    Specified Condition

    Q13-4 (LKSW) - Q13-11 (GND)

    B - W-B

    Lane departure alert main switch signal

    Ignition switch ON, lane departure alert main switch off

    10 kΩ or higher

    Ignition switch ON, lane departure alert main switch on

    Below 1 Ω

    Q13-6 (CA1P) - Q13-11 (GND)

    B - W-B

    CAN communication signal

    Ignition switch ON

    Pulse generation

    (Waveform 1)

    Q13-7 (IGB) - Q13-11 (GND)

    GR - W-B

    Power source (IG)

    Ignition switch ON

    11 to 14 V*1

    Ignition switch ON

    10.5 to 14 V*2

    Ignition switch off

    Below 1 V

    Q13-8 (BZ) - Body ground

    R - Body ground

    Skid control buzzer assembly output

    Ignition switch ON, buzzer not sounding

    11 to 14 V

    Ignition switch ON, buzzer sounding

    0 to 1.5 V

    Q13-11 (GND) - Body ground

    W-B - Body ground

    Ground

    Always

    Below 1 Ω

    Q13-12 (CA1N) - Q13-11 (GND)

    W - W-B

    CAN communication signal

    Ignition switch ON

    Pulse generation

    (Waveform 1)

    • *1: w/o Stop and Start System

    • *2: w/ Stop and Start System

    Tip:

    Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.

    1. E270614E01

      Waveform 1 (CAN communication signal)

      Item

      Content

      Tester Connection

      CH1: Q13-6 (CA1P) - Q13-11 (GND)

      CH2: Q13-12 (CA1N) - Q13-11 (GND)

      Tool Setting

      1 V/DIV., 50 μs./DIV.

      Condition

      Ignition switch ON
      Tip:

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