DYNAMIC RADAR CRUISE CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK DRIVING SUPPORT ECU

    A005ATHE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    L60-7 (MODE) - L60-25 (GND) R - W-B

    Steering pad switch signal

    (distance control signal)

    Power switch on (IG)

    Distance control switch off

    		 11 to 14 V
    L60-7 (MODE) - L60-25 (GND) R - W-B

    Steering pad switch signal

    (distance control signal)

    Power switch on (IG)

    Distance control switch on

    		 Below 2 V
    L60-10 (CCHG) - L60-25 (GND) G - W-B Cruise control switch signal

    Power switch on (IG),

    MODE switch off

    		 11 to 14 V
    L60-10 (CCHG) - L60-25 (GND) G - W-B Cruise control switch signal

    Power switch on (IG),

    MODE switch on

    		 Below 2 V
    L60-17 (CA2L) - L60-25 (GND) R - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)
    L60-16 (LRDD) - L60-25 (GND) V - W-B Millimeter wave radar sensor Power switch on (IG)

    Pulse generation

    (See waveform 2)
    L60-23 (CCS) - L60-25 (GND) V - W-B Cruise control switch signal Power switch on (IG) 1 MΩ or higher
    L60-23 (CCS) - L60-25 (GND) V - W-B Cruise control switch signal CANCEL switch on 1509 to 1571 Ω
    L60-23 (CCS) - L60-25 (GND) V - W-B Cruise control switch signal -/SET switch on 617 to 643 Ω
    L60-23 (CCS) - L60-25 (GND) V - W-B Cruise control switch signal +/RES switch on 235 to 245 Ω
    L60-23 (CCS) - L60-25 (GND) V - W-B Cruise control switch signal Cruise control switch on Below 2.5 Ω
    L60-25 (GND) - Body ground W-B - Body ground Earth (ground circuit of driving support ECU) Always Below 1 Ω
    L60-27 (STP-) - L60-25 (GND) Y - W-B Stop light signal Brake pedal released Below 1 V
    L60-27 (STP-) - L60-25 (GND) Y - W-B Stop light signal Brake pedal depressed 11 to 14 V
    L60-28 (ST1-) - L60-25 (GND) V - W-B Stop light signal

    Power switch on (IG),

    Brake pedal released

    		 11 to 14 V
    L60-28 (ST1-) - L60-25 (GND) V - W-B Stop light signal

    Power switch on (IG),

    Brake pedal depressed

    		 Below 1 V
    L60-30 (B) - L60-25 (GND) B - W-B Power source Power switch on (IG) 11 to 14 V
    L60-32 (WIP2) - L60-25 (GND) P - W-B Wiper switch signal

    Power switch on (IG),

    Wiper switch off

    		 Below 2.4 V
    L60-32 (WIP2) - L60-25 (GND) P - W-B Wiper switch signal

    Power switch on (IG),

    Wiper switch HI position

    		 11 to 14 V
    L60-38 (LRRD) - L60-25 (GND) L - W-B Millimeter wave radar sensor output signal Power switch on (IG)

    Pulse generation

    (See waveform 3)
    L60-39 (CA2H) - L60-25 (GND) B - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 4)

    1. A0059SOE05
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 1


      1. CAN communication signal

        Driving support ECU Terminal Name Between L60-17 (CA2L) and L60-25 (GND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    2. A005CGIE18
      *a 2 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 2


      1. Millimeter wave radar sensor input signal

        Driving support ECU Terminal Name Between L60-16 (LRDD) and L60-25 (GND)
        Tester Range 2 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)
    3. A005D59E18
      *a 2 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 3


      1. Millimeter wave radar sensor output signal

        Driving support ECU Terminal Name Between L60-38 (LRRD) and L60-25 (GND)
        Tester Range 2 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)
    4. A005B80E02
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 4


      1. CAN communication signal

        Driving support ECU Terminal Name Between L60-39 (CA2H) and L60-25 (GND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

  2. CHECK POWER MANAGEMENT CONTROL ECU

    A005BVLE02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    L5-6 (E1) - Body ground W-B - Body ground Earth (ground) circuit of power management control ECU Always Below 1 Ω
    L5-11 (TC) - L5-6 (E1) P - W-B Terminal TC of DLC3 Power switch on (IG) 11 to 14 V
    L5-11 (TC) - L5-6 (E1) P - W-B Terminal TC of DLC3 Terminals TC and CG of DLC3 connected Below 1 V
    L5-34 (CA2H) - L5-6 (E1) B - W-B CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 1)
    L5-35 (CA2L) - L5-6 (E1) W - W-B CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 2)
    L6-24 (CA1L) - L5-6 (E1) P - W-B CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 2)
    L6-25 (CA1H) - L5-6 (E1) V - W-B CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 1)

    1. A005BQFE02
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 1


      1. CAN communication signal

        Power management control ECU Terminal Name Between L6-25 (CA1H) - L5-6 (E1) or L5-34 (CA2H) - L5-6 (E1)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    2. A0059SOE05
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 2


      1. CAN communication signal

        Power management control ECU Terminal Name Between L6-24 (CA1L) - L5-6 (E1) or L5-35 (CA2L) - L5-6 (E1)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

  3. CHECK MILLIMETER WAVE RADAR SENSOR

    A0059RWE02
    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    A2-2 (SGND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    A2-3 (LRDD) - A2-2 (SGND) V - W-B Millimeter wave radar sensor output signal Power switch on (IG)

    Pulse generation

    (see waveform 1)
    A2-4 (LRRD) - A2-2 (SGND) L - W-B Millimeter wave radar sensor input signal Power switch on (IG)

    Pulse generation

    (see waveform 2)
    A2-5 (IGB) - A2-2 (SGND) R - W-B Power source Power switch on (IG) 10 to 14 V

    1. A005CGIE19
      *a 2 V/DIV
      *b 10 msec./DIV.

      WAVEFORM 1

      Item Contents
      Terminal LRDD - SGND
      Tool setting 2 V/DIV., 10 msec./DIV.
      Vehicle condition Power switch on (IG)
    2. A005D59E19
      *a 2 V/DIV
      *b 10 msec./DIV.

      WAVEFORM 2

      Item Contents
      Terminal LRRD - SGND
      Tool setting 2 V/DIV., 10 msec./DIV.
      Vehicle condition Power switch on (IG)