DYNAMIC RADAR CRUISE CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK DRIVING SUPPORT ECU ASSEMBLY

    A01G7VEE16
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    H75-30 (B) - H75-25 (GND) V - W-B Battery Always 11 to 14 V
    H75-39 (CA2H) - H75-25 (GND) R - W-B CAN communication signal Engine switch on (IG)

    Pulse generation

    (See waveform 1)
    H75-17 (CA2L) - H75-25 (GND) LG - W-B CAN communication signal Engine switch on (IG)

    Pulse generation

    (See waveform 2)
    H75-25 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    H75-6 (SPSW) - H75-25 (GND) R - W-B Steering pad switch signal (Distance control switch signal) Engine switch on (IG), Distance control switch on 6 to 7 V
    H75-6 (SPSW) - H75-25 (GND) R - W-B Steering pad switch signal (Distance control switch signal) Engine switch on (IG), Distance control switch off 10 to 14 V
    H75-18 (CA1N) - H75-25 (GND) W - W-B CAN communication signal Engine switch on (IG)

    Pulse generation

    (See waveform 1)
    H75-40 (CA1P) - H75-25 (GND) B - W-B CAN communication signal Engine switch on (IG)

    Pulse generation

    (See waveform 2)
    H75-32 (WIP2) - H75-25 (GND) P - W-B Wiper switch signal Engine switch on (IG), wiper switch HI position 11 to 14 V
    H75-32 (WIP2) - H75-25 (GND) P - W-B Wiper switch signal Engine switch on (IG), wiper switch LO position Below 1 V

    1. A01G65SE19

      WAVEFORM 1


      1. CAN communication signal

        Item Content
        Terminal Name

        Between H75-18 (CA1N) and H75-25 (GND)

        Between H75-39 (CA2H) and H75-25 (GND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Engine switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    2. A01G70QE71

      WAVEFORM 2


      1. CAN communication signal

        Item Content
        Terminal Name

        Between H75-17 (CA2L) and H75-25 (GND)

        Between H75-40 (CA1P) and H75-25 (GND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Engine switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

  2. CHECK ECM

    A01G70VE37
    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    A22-45 (TC) - D23-49 (E1) P - BR Connected to terminal TC of DLC3 Engine switch on (IG) 11 to 14 V
    A22-45 (TC) - D23-49 (E1) P - BR Connected to terminal TC of DLC3 Terminals TC and CG of DLC3 connected Below 1 V
    A22-51 (STP) - D23-49 (E1) BE - BR Stop light signal Engine switch on (IG), Brake pedal depressed 11 to 14 V
    A22-51 (STP) - D23-49 (E1) BE - BR Stop light signal Engine switch on (IG), Brake pedal released Below 1 V
    A22-47 (CCS) - D23-49 (E1) W - BR Cruise control switch circuit Cruise control switch OFF 1 MΩ or higher
    A22-47 (CCS) - D23-49 (E1) W - BR Cruise control switch circuit Cruise control switch ON Below 2.5 Ω
    A22-47 (CCS) - D23-49 (E1) W - BR Cruise control switch circuit +/RES switch ON 235 to 245 Ω
    A22-47 (CCS) - D23-49 (E1) W - BR Cruise control switch circuit -/SET switch ON 617 to 643 Ω
    A22-47 (CCS) - D23-49 (E1) W - BR Cruise control switch circuit CANCEL switch ON 1509 to 1571 Ω
    A22-36 (ST1-) - D23-49 (E1) GR - BR Stop light signal Engine switch on (IG), Brake pedal depressed Below 1 V
    A22-36 (ST1-) - D23-49 (E1) GR - BR Stop light signal

    Engine switch on (IG),

    Brake pedal released

    		 11 to 14 V
    D23-69 (D) - D23-49 (E1) G - BR D shift position signal

    Engine switch on (IG),

    Shift lever D or S position

    		 11 to 14 V
    D23-69 (D) - D23-49 (E1) G - BR D shift position signal

    Engine switch on (IG),

    Shift lever except D or S position

    		 Below 1 V
    A22-50 (SFTD) - D23-49 (E1) L - BR Down shift switch signal Engine switch on (IG) and shift lever S position 11 to 14 V
    Engine switch on (IG) and shift lever "-" position (Down shift) Below 1 V
    A22-34 (SFTU) - D23-49 (E1) R - BR Up shift switch signal Engine switch on (IG) and shift lever S position 11 to 14 V
    Engine switch on (IG) and shift lever "+" position (Up shift) Below 1 V
    A22-48 (CCHG) - A22-49 (LGND) GR - P Cruise control switch signal

    Engine switch on (IG)

    MODE switch off

    		 10 to 14 V
    A22-48 (CCHG) - A22-49 (LGND) GR - P Cruise control switch signal

    Engine switch on (IG)

    MODE switch on

    		 Below 1 V

    If the value is not within the specified range, the ECM may have a malfunction.

  3. CHECK MILLIMETER WAVE RADAR SENSOR

    A01G9QOE03
    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    A55-2 (SGND) - Body ground BR - Body ground Ground Always Below 1 Ω
    A55-3 (CA1N) - A55-2 (SGND) W - BR CAN communication signal Engine switch on (IG)

    Pulse generation

    (see waveform 1)
    A55-4 (CA1P) - A55-2 (SGND) B - BR CAN communication signal Engine switch on (IG)

    Pulse generation

    (see waveform 2)
    A55-5 (IGB) - A55-2 (SGND) R - BR Power source Engine switch on (IG) 11 to 14 V
    A55-1 (LGND) - Body ground P - Body ground Ground Always Below 1 Ω

    1. A01G70QE71

      WAVEFORM 1


      1. CAN communication signal

        Item Content
        Terminal Name Between A55-3 (CA1N) and A55-2 (SGND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Engine switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    2. A01G65SE19

      WAVEFORM 2


      1. CAN communication signal

        Item Content
        Terminal Name Between A55-4 (CA1P) and A55-2 (SGND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Engine switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.