DYNAMIC RADAR CRUISE CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK DRIVING SUPPORT ECU ASSEMBLY

    B001L59N65

    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
    H185-3 (BZ) - H185-28 (GND) V - W-B Skid control buzzer assembly output Power switch on (IG), buzzer not sounding 11 to 14 V
    Power switch on (IG), buzzer sounding Below 1 V
    H185-7 (B) - H185-28 (GND) BE - W-B Power source Power switch on (IG) 11 to 14 V
    Power switch off Below 1 V
    H185-8 (CA1P) - H185-28 (GND) LG - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)
    H185-9 (CA1N) - H185-28 (GND) W - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)
    H185-10 (CA2H) - H185-28 (GND) L - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)
    H185-11 (CA2L) - H185-28 (GND) B - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)
    H185-23 (SPSW) - H185-28 (GND) R - W-B Steering pad switch assembly signal (distance control signal) Power switch on (IG), steering pad switch assembly (vehicle-to-vehicle distance control switch) off 4.75 to 5.25 V
    Power switch on (IG), steering pad switch assembly (vehicle-to-vehicle distance control switch) on Below 1 V
    H185-28 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    1. B001MVVE01

      Waveform 1


      1. CAN communication signal

        Item Content
        Tester Connection

        • Between H185-8 (CA1P) and H185-28 (GND)

        • Between H185-10 (CA2H) and H185-28 (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. B001LIME01

      Waveform 2


      1. CAN communication signal

        Item Content
        Tester Connection

        • Between H185-9 (CA1N) and H185-28 (GND)

        • Between H185-11 (CA2L) and H185-28 (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. CHECK POWER MANAGEMENT CONTROL ECU

    B001KEZN29
    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    A20-23 (STP) - H3-6 (E1) L - W-B Stop light switch assembly signal Brake pedal depressed 11 to 14 V
    Brake pedal released Below 1 V
    H3-25 (VSX1) - H3-24 (E2X1) Y - P Shift sensor (Main) Power switch on (IG), shift lever in home position or N 2.0 to 3.0 V
    Power switch on (IG), shift lever in R 0.3 to 1.8 V
    Power switch on (IG), shift lever in B or D 3.2 to 4.8 V
    H3-22 (VSX2) - H3-23 (E2X2) L - V Shift sensor (Sub) Power switch on (IG), shift lever in home position or N 2.0 to 3.0 V
    Power switch on (IG), shift lever in R 0.3 to 1.8 V
    Power switch on (IG), shift lever in B or D 3.2 to 4.8 V
    A20-7 (ST1-) - H3-6 (E1) R - W-B Stop light switch signal Power switch on (IG), brake pedal depressed Below 1 V
    Power switch on (IG), brake pedal released 11 to 14 V
    H4-22 (CCS) - H3-6 (E1) SB - W-B Cruise control main switch circuit Cruise control main switch (ON/OFF button) not pushed 1 MΩ or higher
    Cruise control main switch (ON/OFF button) pushed Below 2.5 Ω
    +RES switch ON 235 to 245 Ω
    -SET switch ON 617 to 643 Ω
    CANCEL switch ON 1509 to 1571 Ω

  3. CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY

    B001MSFN46
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    k1-1 (SGND) - Body ground W-B - Body ground Ground Always Below 1 Ω
    k1-2 (CA2L) - k1-1 (SGND) W - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)
    k1-3 (CA2H) - k1-1 (SGND) R - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)
    k1-5 (CA1P) - k1-1 (SGND) LG - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)
    k1-6 (CA1N) - k1-1 (SGND) W - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)
    k1-8 (IGB) - k1-1 (SGND) BR - W-B Power source Power switch on (IG) 11 to 14 V

    1. B001MVVE01

      Waveform 1


      1. CAN communication signal

        Item Content
        Tester Connection

        • Between k1-3 (CA2H) and k1-1 (SGND)

        • Between k1-5 (CA1P) and k1-1 (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. B001LIME01

      Waveform 2


      1. CAN communication signal

        Item Content
        Tester Connection

        • Between k1-2 (CA2L) and k1-1 (SGND)

        • Between k1-6 (CA1N) and k1-1 (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.