CRUISE CONTROL SYSTEM(for 1ND-TV with Driving support ECU) TERMINALS OF ECU

  1. CHECK DRIVING SUPPORT ECU ASSEMBLY

    E158948E30

    Terminal No. (Symbols)

    Wiring Color

    Terminal Description

    Condition

    Specified Condition

    E128-30 (B) - E128-25 (GND)

    B - BR

    Battery

    Always

    11 to 14 V

    E128-28 (ST1-) - E128-25 (GND)

    G - BR

    Stop light switch signal

    Ignition switch ON, Brake pedal released

    11 to 14 V

    Stop light switch signal

    Ignition switch ON, Brake pedal released

    Below 1 V

    E128-27 (STP-) - E128-25 (GND)

    L - BR

    Stop light switch signal

    Brake pedal released

    Below 1 V

    Brake pedal depressed

    11 to 14 V

    E128-25 (GND) - Body ground

    BR

    Earth (ground) circuit of driving support ECU assembly

    Always

    Below 1 Ω

    E128-23 (CCS) - E128-25 (GND)

    V - BR

    Cruise control switch circuit

    Cruise control switch (ON-OFF button) released

    1 MΩ or higher

    Cruise control 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

    E128-17 (CH2L) - E128-25 (GND)

    W - BR

    CAN communication signal

    Ignition switch ON

    Pulse generation

    (see waveform 1)

    E128-39 (CH2H) - E128-25 (GND)

    P - BR

    CAN communication signal

    Ignition switch ON

    Pulse generation

    (see waveform 2)

    1. E228688E01

      Waveform 1

      1. CAN communication signal

        Item

        Content

        Tester Connection

        E128-17 (CH2L) - E128-25 (GND)

        Tool Setting

        1 V/DIV., 10 μsec./DIV.

        Condition

        Ignition switch ON

        Tip:

        The waveform varies depending on the CAN communication signal.

    2. E228691E01

      Waveform 2

      1. CAN communication signal

        Item

        Content

        Tester Connection

        E128-39 (CH2H) - E128-25 (GND)

        Tool Setting

        1 V/DIV., 10 μsec./DIV.

        Condition

        Ignition switch ON

        Tip:

        The waveform varies depending on the CAN communication signal.