DYNAMIC RADAR CRUISE CONTROL SYSTEM TERMINALS OF ECU


  1. CHECK DRIVING SUPPORT ECU ASSEMBLY

    A01I667E37
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    I183-6 (SPSW) - I183-25 (GND) R - W-B

    Steering pad switch signal

    (distance control signal)

    Power switch on (IG)

    Distance control switch off

    		 10 to 14 V
    I183-6 (SPSW) - I183-25 (GND) R - W-B

    Steering pad switch signal

    (distance control signal)

    Power switch on (IG)

    Distance control switch on

    		 6 to 7 V
    I183-10 (CCHG) - I183-25 (GND) GR - W-B Cruise control main switch signal

    Power switch on (IG),

    MODE switch off

    		 10 to 14 V
    I183-10 (CCHG) - I183-25 (GND) GR - W-B Cruise control main switch signal

    Power switch on (IG),

    MODE switch on

    		 Below 1 V
    I183-17 (CA2L) - I183-25 (GND) LG - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)
    I183-18 (CA1N) - I183-25 (GND) W - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)
    I183-23 (CCS) - I183-25 (GND) W - W-B Cruise control main switch signal Power switch on (IG) 11 to 14 V
    I183-23 (CCS) - I183-25 (GND) W - W-B Cruise control main switch signal

    Power switch on (IG),

    CANCEL switch on

    		 6.6 to 10.1 V
    I183-23 (CCS) - I183-25 (GND) W - W-B Cruise control main switch signal

    Power switch on (IG),

    -SET switch on

    		 4.5 to 7.1 V
    I183-23 (CCS) - I183-25 (GND) W - W-B Cruise control main switch signal

    Power switch on (IG),

    +RES switch on

    		 2.3 to 4.0 V
    I183-23 (CCS) - I183-25 (GND) W - W-B Cruise control main switch signal

    Power switch on (IG),

    Main switch on

    		 Below 1 V
    I183-25 (GND) - Body ground W-B - Body ground Earth (ground circuit of driving support ECU) assembly Always Below 1 Ω
    I183-27 (STP-) - I183-25 (GND) BR - W-B Stop light signal Brake pedal released Below 1 V
    I183-27 (STP-) - I183-25 (GND) BR - W-B Stop light signal Brake pedal depressed 7.5 to 14 V
    I183-28 (ST1-) - I183-25 (GND) R - W-B Stop light signal

    Power switch on (IG),

    Brake pedal released

    		 7.5 to 14 V
    I183-28 (ST1-) - I183-25 (GND) R - W-B Stop light signal

    Power switch on (IG),

    Brake pedal depressed

    		 Below 1 V
    I183-30 (B) - I183-25 (GND) V - W-B Power source Power switch on (IG) 11 to 14 V
    I183-32 (WIP2) - I183-25 (GND) W - W-B Wiper switch signal

    Power switch on (IG),

    Wiper switch off

    		 Below 1 V
    I183-32 (WIP2) - I183-25 (GND) W - W-B Wiper switch signal

    Power switch on (IG),

    Wiper switch LO position

    		 6 to 7 V
    I183-32 (WIP2) - I183-25 (GND) W - W-B Wiper switch signal

    Power switch on (IG),

    Wiper switch HI position

    		 11 to 14 V
    I183-39 (CA2H) - I183-25 (GND) L - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 2)
    I183-40 (CA1P) - I183-25 (GND) R - W-B CAN communication signal Power switch on (IG)

    Pulse generation

    (See waveform 1)

    1. A01I4TRE19

      WAVEFORM 1


      1. CAN communication signal

        Terminal Name

        Between I183-17 (CA2L) and I183-25 (GND)

        Between I183-40 (CA1P) and I183-25 (GND)
        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. A01I5E5E71

      WAVEFORM 2


      1. CAN communication signal

        Terminal Name

        Between I183-18 (CA1N) and I183-25 (GND)

        Between I183-39 (CA2H) and I183-25 (GND)
        Tester Range 1 V/DIV., 10 μsec./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform varies depending on the CAN communication signal.