CRUISE CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK POWER MANAGEMENT CONTROL ECU

    A0042MEE23
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    A21-7 (ST1-) - L5-6 (E1) R - BR Stop light switch signal Power switch on (IG), Brake pedal released 7.5 to 14 V
    A21-7 (ST1-) - L5-6 (E1) R - BR Stop light switch signal Power switch on (IG), Brake pedal depressed Below 1 V
    A21-23 (STP) - L5-6 (E1) L - BR Stop light switch signal Brake pedal released Below 1 V
    A21-23 (STP) - L5-6 (E1) L - BR Stop light switch signal Brake pedal depressed 7.5 to 14 V
    L5-6 (E1) - Body ground BR - Body ground Earth (ground) circuit of power management control ECU Always Below 1 Ω
    L5-11 (TC) - L5-6 (E1) P - BR Terminal TC of DLC3 Power switch on (IG) 11 to 14 V
    L5-11 (TC) - L5-6 (E1) P - BR Terminal TC of DLC3 Terminals TC and CG of DLC3 connected Below 1 V
    L6-22 (CCS) - L5-6 (E1) R - BR Cruise control switch circuit Power switch on (IG) 1 MΩ or higher
    L6-22 (CCS) - L5-6 (E1) R - BR Cruise control switch circuit Power switch on (IG), Cruise control switch on Below 2.5 Ω
    L6-22 (CCS) - L5-6 (E1) R - BR Cruise control switch circuit Power switch on (IG), +/RES switch on 235 to 245 Ω
    L6-22 (CCS) - L5-6 (E1) R - BR Cruise control switch circuit Power switch on (IG), -/SET switch on 617 to 643 Ω
    L6-22 (CCS) - L5-6 (E1) R - BR Cruise control switch circuit Power switch on (IG), CANCEL switch on 1509 to 1571 Ω
    L6-24 (CA1L) - L5-6 (E1) W - BR CAN communication signal Power switch on (IG)

    Pulse generation

    (see waveform 1)
    L6-25 (CA1H) - L5-6 (E1) B - BR CAN communication signal Power switch on (IG)

    Pulse generation

    (see waveform 2)
    L6-30 (CA3N) - L5-6 (E1) L - BR CAN communication signal Power switch on (IG)

    Pulse generation

    (see waveform 1)
    L6-31 (CA3P) - L5-6 (E1) LG - BR CAN communication signal Power switch on (IG)

    Pulse generation

    (see waveform 2)

    1. A00438KE62

      WAVEFORM 1


      1. CAN communication signal

        Power Management Control ECU Terminal Name

        Between L6-24 (CA1L) and L5-6 (E1)

        Between L6-30 (CA3N) and L5-6 (E1)
        Tester Range 1 V/DIV., 10 msec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.

    2. A0042JXE68

      WAVEFORM 2


      1. CAN communication signal

        Power Management Control ECU Terminal Name

        Between L6-25 (CA1H) and L5-6 (E1)

        Between L6-31 (CA3P) and L5-6 (E1)
        Tester Range 1 V/DIV., 10 msec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.