CRUISE CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK HYBRID VEHICLE CONTROL ECU ASSEMBLY

    A01KRZMN01
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A150-28 (ST1-) - E135-6 (E1) R - BR Stop light switch signal Power switch on (IG), Brake pedal released 11 to 14 V
    A150-28 (ST1-) - E135-6 (E1) R - BR Stop light switch signal Power switch on (IG), Brake pedal depressed Below 1 V
    A149-15 (STP) - E135-6 (E1) L - BR Stop light switch signal Brake pedal released Below 1 V
    A149-15 (STP) - E135-6 (E1) L - BR Stop light switch signal Brake pedal depressed 11 to 14 V
    E135-6 (E1) - Body ground BR - Body ground Earth (ground) circuit of hybrid vehicle control ECU assembly Always Below 1 Ω
    E136-28 (TC) - E135-6 (E1) P - BR Terminal TC of DLC3 Power switch on (IG) 11 to 14 V
    E136-28 (TC) - E135-6 (E1) P - BR Terminal TC of DLC3 Terminals TC and CG of DLC3 connected Below 1 V
    E135-28 (CCS) - E135-6 (E1) B - BR Cruise control switch circuit Cruise control switch (ON-OFF button) released 1 MΩ or higher
    E135-28 (CCS) - E135-6 (E1) B - BR Cruise control switch circuit Cruise control switch (ON-OFF button) pushed Below 2.5 Ω
    E135-28 (CCS) - E135-6 (E1) B - BR Cruise control switch circuit +/RES switch on 235 to 245 Ω
    E135-28 (CCS) - E135-6 (E1) B - BR Cruise control switch circuit -/SET switch on 617 to 643 Ω
    E135-28 (CCS) - E135-6 (E1) B - BR Cruise control switch circuit CANCEL switch on 1509 to 1571 Ω
    E136-24 (CA1L) - E135-6 (E1) W - BR CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 1)
    E136-25 (CA1H) - E135-6 (E1) P - BR CAN communication line Power switch on (IG)

    Pulse generation

    (see waveform 2)

    1. A01KTNNN01
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 1


      1. CAN communication signal

        Item Condition
        Terminal Name Between E136-24 (CA1L) and E135-6 (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. A01KRY6N01
      *a 1 V/DIV.
      *b 10 μsec./DIV.

      WAVEFORM 2


      1. CAN communication signal

        Item Condition
        Terminal Name Between E136-25 (CA1H) and E135-6 (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.