DYNAMIC RADAR CRUISE CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK HYBRID VEHICLE CONTROL ECU

    A003N1HN04
    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    A41-7 (STP) - I3-3 (E1) SB - W-B Stop light switch assembly signal Brake pedal depressed 11 to 14 V
    A41-7 (STP) - I3-3 (E1) SB - W-B Stop light switch assembly signal Brake pedal released Below 1 V
    I3-52 (VSI1) - I3-51 (E2X1) BR - GR Shift sensor (Main) Power switch on (IG), shift lever in home position or N 2.0 to 3.0 V
    I3-52 (VSI1) - I3-51 (E2X1) BR - GR Shift sensor (Main) Power switch on (IG), shift lever in R 0.3 to 1.8 V
    I3-52 (VSI1) - I3-51 (E2X1) BR - GR Shift sensor (Main) Power switch on (IG), shift lever in B or D 3.2 to 4.8 V
    I3-50 (VSI2) - I3-49 (E2X2) R - BE Shift sensor (Sub) Power switch on (IG), shift lever in home position or N 2.0 to 3.0 V
    I3-50 (VSI2) - I3-49 (E2X2) R - BE Shift sensor (Sub) Power switch on (IG), shift lever in R 0.3 to 1.8 V
    I3-50 (VSI2) - I3-49 (E2X2) R - BE Shift sensor (Sub) Power switch on (IG), shift lever in B or D 3.2 to 4.8 V
    I2-28 (ST1-) - I3-3 (E1) P - W-B Stop light switch assembly signal Power switch on (IG), brake pedal depressed Below 1 V
    I2-28 (ST1-) - I3-3 (E1) P - W-B Stop light switch assembly signal Power switch on (IG), brake pedal released 11 to 14 V
    I3-14 (CCS) - I3-3 (E1) BE - W-B Cruise control main switch circuit Cruise control main switch (ON/OFF button) not pushed 1 MΩ or higher
    I3-14 (CCS) - I3-3 (E1) BE - W-B Cruise control main switch circuit Cruise control main switch (ON/OFF button) pushed Below 2.5 Ω
    I3-14 (CCS) - I3-3 (E1) BE - W-B Cruise control main switch circuit +RES switch ON 235 to 245 Ω
    I3-14 (CCS) - I3-3 (E1) BE - W-B Cruise control main switch circuit -SET switch ON 617 to 643 Ω
    I3-14 (CCS) - I3-3 (E1) BE - W-B Cruise control main switch circuit CANCEL switch ON 1509 to 1571 Ω
    I3-27 (BATT) - I3-3 (E1) GR - W-B Constant power source Always 11 to 14 V

  2. CHECK DRIVING SUPPORT ECU ASSEMBLY

    A003K4LN42

    Note

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

    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    I41-3 (BZ) - I41-28 (GND) P - W-B Skid control buzzer output Power switch on (IG), buzzer not sounding 11 to 14 V
    Power switch on (IG), buzzer sounding Below 1 V
    I41-7 (B) - I41-28 (GND)

    P - W-B*1

    B - W-B*2

    		 Power source Power switch on (IG) 11 to 14 V
    Power switch off Below 1 V
    I41-8 (CA1P) - I41-28 (GND) LG - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)
    I41-9 (CA1N) - I41-28 (GND) W - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)
    I41-10 (CA2H) - I41-28 (GND) G - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)
    I41-11 (CA2L) - I41-28 (GND) W - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)
    I41-23 (SPSW) - I41-28 (GND) GR - W-B Steering pad switch assembly signal (distance control signal) Power switch on (IG), steering pad switch assembly (distance control switch) off 4.75 to 5.25 V
    Power switch on (IG), steering pad switch assembly (distance control switch) on Below 1 V
    I41-28 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    *1: LHD

    *2: RHD


    1. A003MNCE01

      Waveform 1


      1. CAN communication signal

        Item Content
        Tester Connection

        • Between I41-8 (CA1P) and I41-28 (GND)

        • Between I41-10 (CA2H) and I41-28 (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. A003NTWE01

      Waveform 2


      1. CAN communication signal

        Item Content
        Tester Connection

        • Between I41-9 (CA1N) and I41-28 (GND)

        • Between I41-11 (CA2L) and I41-28 (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. CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY

    A003KVON10
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A2-1 (SGND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    A2-2 (CA2L) - A2-1 (SGND) W - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)
    A2-3 (CA2H) - A2-1 (SGND) G - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)
    A2-5 (CA1P) - A2-1 (SGND) B - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)
    A2-6 (CA1N) - A2-1 (SGND) W - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)
    A2-8 (IGB) - A2-1 (SGND) LG - W-B Power source Power switch on (IG) 11 to 14 V

    1. A003MNCE01

      Waveform 1


      1. CAN communication signal

        Item Content
        Tester Connection

        • Between A2-3 (CA2H) and A2-1 (SGND)

        • Between A2-5 (CA1P) and A2-1 (SGND)
        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. A003NTWE01

      Waveform 2


      1. CAN communication signal

        Item Content
        Tester Connection

        • Between A2-2 (CA2L) and A2-1 (SGND)

        • Between A2-6 (CA1N) and A2-1 (SGND)
        Tool Setting 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.