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


  1. CHECK DRIVING SUPPORT ECU ASSEMBLY

    A01LXLME30
    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. A01LXF2E01

      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

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    2. A01LYNTE01

      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

        Tech Tips

        The waveform varies depending on the CAN communication signal.