DYNAMIC RADAR CRUISE CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK DRIVING SUPPORT ECU

    A01NKJVE03
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    C1-7 (MODE) - C1-25 (GND) Y - W-B

    Steering pad switch signal

    (Distance control switch signal)

    Power switch on (IG),

    Distance control switch off

    11 to 14 V
    C1-7 (MODE) - C1-25 (GND) Y - W-B

    Steering pad switch signal

    (Distance control switch signal)

    Power switch on (IG),

    Distance control switch on

    Below 2 V
    C1-10 (CCHG) - C1-25 (GND) L - W-B Cruise control main switch signal

    Power switch on (IG),

    MODE switch off

    11 to 14 V
    C1-10 (CCHG) - C1-25 (GND) L - W-B Cruise control main switch signal

    Power switch on (IG),

    MODE switch on

    Below 1 V
    C1-17 (CA2L) - C1-25 (GND) W - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)

    C1-18 (CA1N) - C1-25 (GND) L - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)

    C1-23 (CCS) - C1-25 (GND) R - W-B Cruise control main switch signal Power switch on (IG) 11 to 14 V
    C1-23 (CCS) - C1-25 (GND) R - W-B Cruise control main switch signal

    Power switch on (IG),

    CANCEL switch on

    6.6 to 10.1 V
    C1-23 (CCS) - C1-25 (GND) R - W-B Cruise control main switch signal

    Power switch on (IG),

    -SET switch on

    4.5 to 7.1 V
    C1-23 (CCS) - C1-25 (GND) R - W-B Cruise control main switch signal

    Power switch on (IG),

    +RES switch on

    2.3 to 4.0 V
    C1-23 (CCS) - C1-25 (GND) R - W-B Cruise control main switch signal

    Power switch on (IG),

    Main switch on

    Below 1 V
    C1-25 (GND) - Body ground W-B - Body ground Earth (ground circuit of driving support ECU) Always Below 1 Ω
    C1-27 (STP-) - C1-25 (GND) V - W-B Stop light switch signal Brake pedal released Below 1.5 V
    C1-27 (STP-) - C1-25 (GND) V - W-B Stop light switch signal Brake pedal depressed 11 to 14 V
    C1-28 (ST1-) - C1-25 (GND) BR - W-B Stop light switch signal

    Power switch on (IG),

    Brake pedal released

    11 to 14 V
    C1-28 (ST1-) - C1-25 (GND) BR - W-B Stop light switch signal

    Power switch on (IG),

    Brake pedal depressed

    Below 1.5 V
    C1-30 (B) - C1-25 (GND) P - W-B Power source Power switch on (IG) 11 to 14 V
    C1-32 (WIP2) - C1-25 (GND) SB - W-B Wiper switch signal

    Power switch on (IG),

    Wiper switch off

    Below 1 V
    C1-32 (WIP2) - C1-25 (GND) SB - W-B Wiper switch signal

    Power switch on (IG),

    Wiper switch LO position

    6 to 7 V
    C1-32 (WIP2) - C1-25 (GND) SB - W-B Wiper switch signal

    Power switch on (IG),

    Wiper switch HI position

    11 to 14 V
    C1-39 (CA2H) - C1-25 (GND) B - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 3)

    C1-40 (CA1P) - C1-25 (GND) B - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 4)


    1. A01NJN6E80

      Waveform 1


      1. CAN communication signal

        Item Content
        Tester Connection C1-17 (CA2L) - C1-25 (GND)
        Tool Setting 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    2. A01NN4AE05

      Waveform 2


      1. CAN communication signal

        Item Content
        Tester Connection C1-18 (CA1N) - C1-25 (GND)
        Tool Setting 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    3. A01NINGE17

      Waveform 3


      1. CAN communication signal

        Item Content
        Tester Connection C1-39 (CA2H) - C1-25 (GND)
        Tool Setting 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    4. A01NMRIE04

      Waveform 4


      1. CAN communication signal

        Item Content
        Tester Connection C1-40 (CA1P) - C1-25 (GND)
        Tool Setting 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

    A01NMUUE08
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A81-11 (D) - F97-6 (E1) Y - BR D shift position switch signal Power switch on (IG), Shift lever in D 11 to 14 V
    A81-11 (D) - F97-6 (E1) Y - BR D shift position switch signal Power switch on (IG), Shift lever in any position other than D 0 to 1.5 V
    F97-6 (E1) - Body ground BR - Body ground Earth (ground) circuit of power management control ECU Always Below 1 Ω
    F97-11 (TC) - F97-6 (E1) BR - BR Terminal TC of DLC3 Power switch on (IG) 11 to 14 V
    F97-11 (TC) - F97-6 (E1) BR - BR Terminal TC of DLC3 Terminals TC and CG of DLC3 connected Below 1 V
    F97-34 (CA2H) - F97-6 (E1) G - BR CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 1)

    F97-35 (CA2L) - F97-6 (E1) L - BR CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 2)

    F98-24 (CA1L) - F97-6 (E1) R - BR CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 2)

    F98-25 (CA1H) - F97-6 (E1) LG - BR CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 1)

    F98-30 (CA3N) - F97-6 (E1) W - BR CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 2)

    F98-31 (CA3P) - F97-6 (E1) V - BR CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 1)


    1. A01NINGE17

      Waveform 1


      1. CAN communication signal

        ECM Terminal Name Between CA1H - E1, CA2H - E1 or CA3P - 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. A01NJN6E19

      Waveform 2


      1. CAN communication signal

        ECM Terminal Name Between CA1L - E1, CA2L - E1 or CA3N - 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.