LANE DEPARTURE ALERT SYSTEM TERMINALS OF ECU


  1. CHECK LANE DEPARTURE WARNING CAMERA (w/ Dynamic Radar Cruise Control System)


    1. B005AYJE03

      Measure the voltage, resistance and check for pulses according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      T10-7 (IGB) - T10-11 (GND) GR - W-B Power source Engine switch on (IG)

      11 to 14 V*1

      10.5 to 16 V*2
      T10-11 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      T10-6 (CA1P) - T10-11 (GND) B - W-B CAN communication signal Engine switch on (IG)

      Pulse generation

      (Waveform 1)
      T10-12 (CA1N) - T10-11 (GND) W - W-B CAN communication signal Engine switch on (IG)

      Pulse generation

      (Waveform 1)

      *1: w/o Stop and Start System

      *2: w/ Stop and Start System

      Tech Tips

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

    2. B005BB7E12

      Waveform 1 (CAN communication signal)

      Item Content
      Terminal Name

      CH1: T10-6 (CA1P) - T10-11 (GND)

      CH2: T10-12 (CA1N) - T10-11 (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).

  2. CHECK LANE DEPARTURE WARNING CAMERA (w/o Dynamic Radar Cruise Control System)


    1. B005AYJE03

      Measure the voltage, resistance and check for pulses according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      T10-4 (LKSW) - T10-11 (GND) B - W-B Steering pad switch assembly (lane departure alert main switch) signal Engine switch on (IG), Steering pad switch assembly (lane departure alert main switch) off 4 V or higher
      T10-4 (LKSW) - T10-11 (GND) B - W-B Steering pad switch assembly (lane departure alert main switch) signal Engine switch on (IG), Steering pad switch assembly (lane departure alert main switch) on Below 1 V
      T10-7 (IGB) - T10-11 (GND) GR - W-B Power source Engine switch on (IG)

      11 to 14 V*1

      10.5 to 16 V*2
      T10-11 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      T10-6 (CA1P) - T10-11 (GND) B - W-B CAN communication signal Engine switch on (IG)

      Pulse generation

      (Waveform 1)
      T10-12 (CA1N) - T10-11 (GND) W - W-B CAN communication signal Engine switch on (IG)

      Pulse generation

      (Waveform 1)

      *1: w/o Stop and Start System

      *2: w/ Stop and Start System

      Tech Tips

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

    2. B005BB7E12

      Waveform 1 (CAN communication signal)

      Item Content
      Terminal Name

      CH1: T10-6 (CA1P) - T10-11 (GND)

      CH2: T10-12 (CA1N) - T10-11 (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).

  3. CHECK DRIVING SUPPORT ECU ASSEMBLY (w/ Dynamic Radar Cruise Control System)

    B005ABDN23

    1. Disconnect the I19 driving support ECU assembly connector.

      Note

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

    2. Measure the resistance and voltage on the wire harness side connector according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      I19-6 (SPSW) - I19-25 (GND) P - W-B Steering pad switch assembly (lane departure alert main switch) signal Engine switch on (IG), Steering pad switch assembly (lane departure alert main switch) off 11 to 14 V
      Engine switch on (IG), Steering pad switch assembly (lane departure alert main switch) on 6 to 7 V
      I19-25 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      I19-30 (B) - I19-25 (GND) Y - W-B Power source Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V