DYNAMIC RADAR CRUISE CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK HYBRID VEHICLE CONTROL ECU

    A01VCZUN03
    Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
    A50-7 (STP) - F3-3 (E1) SB - BR Stop light switch assembly signal Brake pedal depressed 11 to 14 V
    A50-7 (STP) - F3-3 (E1) SB - BR Stop light switch assembly signal Brake pedal released Below 1 V
    F3-52 (VSI1) - F3-51 (E2X1) BR - GR Shift sensor (Main) Power switch on (IG), shift lever in home position or N 2.0 to 3.0 V
    F3-52 (VSI1) - F3-51 (E2X1) BR - GR Shift sensor (Main) Power switch on (IG), shift lever in R 0.3 to 1.8 V
    F3-52 (VSI1) - F3-51 (E2X1) BR - GR Shift sensor (Main) Power switch on (IG), shift lever in B or D 3.2 to 4.8 V
    F3-50 (VSI2) - F3-49 (E2X2) R - BE Shift sensor (Sub) Power switch on (IG), shift lever in home position or N 2.0 to 3.0 V
    F3-50 (VSI2) - F3-49 (E2X2) R - BE Shift sensor (Sub) Power switch on (IG), shift lever in R 0.3 to 1.8 V
    F3-50 (VSI2) - F3-49 (E2X2) R - BE Shift sensor (Sub) Power switch on (IG), shift lever in B or D 3.2 to 4.8 V
    F2-28 (ST1-) - F3-3 (E1) P - BR Stop light switch assembly signal Power switch on (IG), brake pedal depressed Below 1 V
    F2-28 (ST1-) - F3-3 (E1) P - BR Stop light switch assembly signal Power switch on (IG), brake pedal released 11 to 14 V
    F3-14 (CCS) - F3-3 (E1) BE - BR Cruise control main switch circuit Cruise control main switch (ON/OFF button) not pushed 1 MΩ or higher
    F3-14 (CCS) - F3-3 (E1) BE - BR Cruise control main switch circuit Cruise control main switch (ON/OFF button) pushed Below 2.5 Ω
    F3-14 (CCS) - F3-3 (E1) BE - BR Cruise control main switch circuit +RES switch ON 235 to 245 Ω
    F3-14 (CCS) - F3-3 (E1) BE - BR Cruise control main switch circuit -SET switch ON 617 to 643 Ω
    F3-14 (CCS) - F3-3 (E1) BE - BR Cruise control main switch circuit CANCEL switch ON 1509 to 1571 Ω
    F3-27 (BATT) - F3-3 (E1) GR - BR Constant power source Always 11 to 14 V

  2. CHECK DRIVING SUPPORT ECU ASSEMBLY

    A01RIMDN11

    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
    F40-3 (BZ) - F40-28 (GND) P - 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
    F40-7 (B) - F40-28 (GND)

    P*1 - W-B

    B*2 - W-B

    		 Power source Power switch on (IG) 11 to 14 V
    Power switch off Below 1 V
    F40-8 (CA1P) - F40-28 (GND) LG - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)
    F40-9 (CA1N) - F40-28 (GND) W - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)
    F40-10 (CA2H) - F40-28 (GND) G - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)
    F40-11 (CA2L) - F40-28 (GND) W - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)
    F40-23 (SPSW) - F40-28 (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
    F40-28 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

    *1: LHD

    *2: RHD


    1. A01RKAJE01

      Waveform 1


      1. CAN communication signal

        Item Content
        Tester Connection

        • Between F40-8 (CA1P) and F40-28 (GND)

        • Between F40-10 (CA2H) and F40-28 (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. A01RJY2E01

      Waveform 2


      1. CAN communication signal

        Item Content
        Tester Connection

        • Between F40-9 (CA1N) and F40-28 (GND)

        • Between F40-11 (CA2L) and F40-28 (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

    A01RLOYN10
    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. A01RKAJE01

      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. A01RJY2E01

      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.