CRUISE CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK HYBRID VEHICLE CONTROL ECU ASSEMBLY

    A0009K1E02
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A78-15 (STP) - H211-6 (E1) W - BR Stop light switch signal Brake pedal released Below 1 V
    A78-15 (STP) - H211-6 (E1) W - BR Stop light switch signal Brake pedal depressed 11 to 14 V
    A79-28 (ST1-) - H211-6 (E1) GR - BR Stop light switch signal Power switch on (IG), Brake pedal released 11 to 14 V
    A79-28 (ST1-) - H211-6 (E1) GR - BR Stop light switch signal Power switch on (IG), Brake pedal depressed Below 1 V
    A79-26 (D) - H211-6 (E1) Y - BR D shift position signal Power switch on (IG), Shift lever D or S position 11 to 14 V
    A79-26 (D) - H211-6 (E1) Y - BR D shift position signal Power switch on (IG), Shift lever except D or S position Below 1 Ω
    H211-6 (E1) - Body ground BR - Body ground Earth (ground) circuit of hybrid vehicle control ECU assembly Always Below 1 Ω
    H212-8 (SFTD) - H211-6 (E1) G - BR Down shift switch signal Power switch on (IG) and shift lever S position 11 to 14 V
    H212-8 (SFTD) - H211-6 (E1) G - BR Down shift switch signal Power switch on (IG) and shift lever "-" position (Down shift) Below 1 V
    H212-9 (SFTU) - H211-6 (E1) L - BR Up shift switch signal Power switch on (IG) and shift lever S position 11 to 14 V
    H212-9 (SFTU) - H211-6 (E1) L - BR Up shift switch signal Power switch on (IG) and shift lever "+" position (Up shift) Below 1 V
    H212-24 (CA1L) - H211-6 (E1) W - BR CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 1)
    H212-25 (CA1H) - H211-6 (E1)

    BE - BR*1

    B - BR*2

    		 CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 2)
    H211-28 (CCS) - H211-6 (E1) GR - BR Cruise control switch circuit Power switch on (IG) 1 MΩ or higher
    H211-28 (CCS) - H211-6 (E1) GR - BR Cruise control switch circuit Power switch on (IG), Cruise control switch on Below 2.5 Ω
    H211-28 (CCS) - H211-6 (E1) GR - BR Cruise control switch circuit Power switch on (IG), +/RES switch on 235 to 245 Ω
    H211-28 (CCS) - H211-6 (E1) GR - BR Cruise control switch circuit Power switch on (IG), -/SET switch on 617 to 643 Ω
    H211-28 (CCS) - H211-6 (E1) GR - BR Cruise control switch circuit Power switch on (IG), CANCEL switch on 1509 to 1571 Ω

    • *1: for LHD

    • *2: for RHD


    1. A0004YPE07
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 1


      1. CAN communication signal

        Item Content
        Terminal Name Between H212-24 (CA1L) and H211-6 (E1)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    2. A00066JE02
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 2


      1. CAN communication signal

        Item Content
        Terminal Name Between H212-25 (CA1H) and H211-6 (E1)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.