HYBRID CONTROL SYSTEM > TERMINALS OF ECU

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HINT:

Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.

1. Waveform 1 (power meter signal)
   

   Item	Contents
   Terminal	PMET - E1
   Equipment Setting	5 V/DIV, 50 ms/DIV
   Condition	Ignition switch ON





2. Waveform 2 (airbag deployment signal)
   

   Item	Contents
   Terminal	ABFS - E1
   Equipment Setting	5 V/DIV, 500 ms/DIV
   Condition	READY-on state





3. Waveform 3 (HV water pump signal)
   

   Item	Contents
   Terminal	CH1: IWP - E1 CH2: NIWP - E1
   Equipment Setting	5 V/DIV, 2 ms/DIV
   Condition	READY-on state





4. Waveform 4 (vehicle speed signal)
   

   Item	Contents
   Terminal	SPDI - E1
   Equipment Setting	5 V/DIV, 20 ms/DIV
   Condition	Driving at approximately 20 km/h (12 mph) in READY-on state

   HINT:

   The higher the vehicle speed, the shorter the cycle and higher the voltage.





5. Waveform 5 (immobilizer communication signal)
   

   Item	Contents
   Terminal	CH1: IMO - E1 CH2: IMI - E1
   Equipment Setting	5 V/DIV, 200 ms/DIV
   Condition	Ignition switch OFF → Ignition switch ON → READY-on state





6. Waveform 6 (system main relay operation signal)
   

   Item	Contents
   Terminal	CH1: IGSW - E1 CH2: CON1 - E1 CH3: CON2 - E1 CH4: CON3 - E1
   Equipment Setting	10 V/DIV, 500 ms/DIV
   Condition	Ignition switch OFF → READY-on state





7. Waveform 7 (HV battery blower fan operation signal)
   

   Item	Contents
   Terminal	CH1: SI0 - E1 CH2: SI1 - E1 CH3: SI2 - E1 CH4: FCTL - E1
   Equipment Setting	10 V/DIV, 200 ms/DIV
   Condition	Ignition switch ON, during active test





8. Waveform 8 (Communication signal from battery to HV)
   

   Item	Contents
   Terminal	CH1: BTH+ - E1 CH2: BHT- - E1
   Equipment Setting	2 V/DIV, 500 μs/DIV
   Condition	Ignition switch ON

   HINT:

   The waveform varies depending on the contents of communication.





9. Waveform 9 (CAN communication signal)
   

   Item	Contents
   Terminal	CH1: CANH - E1 CH2: CANL - E1
   Equipment Setting	1 V/DIV, 20 ms/DIV
   Condition	Ignition switch ON

   HINT:

   The waveform varies depending on the contents of communication.





10. Waveform 10 (Oil pump signal)
    

    Item	Contents
    Terminal	CH1: OPM1 - E1 CH2: OPMT - E1
    Equipment Setting	5 V/DIV, 5 ms/DIV
    Condition	READY-on state





11. Waveform 11 (radiator fan operation signal)
    

    Item	Contents
    Terminal	CH1: RFC1 - E1 CH2: RFC2 - E1
    Equipment Setting	5 V/DIV, 1 ms/DIV
    Condition	READY-on state with engine running





12. Waveform 12 (GO signal)
    

    Item	Contents
    Terminal	GO - E1
    Equipment Setting	5 V/DIV, 20 ms/DIV
    Condition	READY-on state with engine running

    HINT:

    The pulse cycle becomes shorter as the engine speed increases.





13. Waveform 13 (Crankshaft position signal)
    

    Item	Contents
    Terminal	NE+ - NE-
    Equipment Setting	5 V/DIV, 1 ms/DIV
    Condition	READY-on state with engine running

    HINT:

    The pulse cycle becomes shorter as the engine speed increases.





14. Waveform 14 (engine speed signal)
    

    Item	Contents
    Terminal	NEO - E1
    Equipment Setting	10 V/DIV, 10 ms/DIV
    Condition	READY-on state with engine running

    HINT:

    The pulse cycle becomes shorter as the engine speed increases.





15. Waveform 15 (communication signal from HV to MG)
    

    Item	Contents
    Terminal	CH1: HTM+ - E1 CH2: HTM- - E1
    Equipment Setting	1 V/DIV, 200 ms/DIV
    Condition	READY-on state

    HINT:

    The waveform varies depending on the contents of communication.





16. Waveform 16 (MG communication clock signal)
    

    Item	Contents
    Terminal	CH1: CLK+-E1 CH2: CLK--E1
    Equipment Setting	1 V/DIV, 1 μs/DIV
    Condition	READY-on state





17. Waveform 17 (MG communication request signal)
    

    Item	Contents
    Terminal	CH1: REQ+ - E1 CH2: REQ- - E1
    Equipment Setting	1 V/DIV, 1 ms/DIV
    Condition	READY-on state





18. Waveform 18 (communication signal from MG to HV)
    

    Item	Contents
    Terminal	CH1: MTH+ - E1 CH2: MTH- - E1
    Equipment Setting	1 V/DIV, 200 μs/DIV
    Condition	READY-on state

    HINT:

    The waveform varies depending on the contents of communication.





19. Waveform 19 (A/C communication signal)
    

    Item	Contents
    Terminal	CH1: CLK - E1 CH2: ITE - E1 CH1: ETI - E1 CH2: STB- - E1
    Equipment Setting	10 V/DIV, 100 ms/DIV
    Condition	READY-on state with A/C stopped

    HINT:

    The waveform varies depending on the contents of communication.

HINT:

Connectors A, B, and C are wired inside the w/ converter inverter assembly and usually not inspected. Terminal arrangement and measured values are provided as reference.

HINT:

Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.

1. Waveform 1 (Rear Motor switch U signal)
   

   Item	Contents
   Terminal	RUU - RIVG
   Equipment Setting	5 V/DIV, 100 μs/DIV
   Condition	Ignition switch ON





2. Waveform 2 (Rear Motor switch W signal)
   

   Item	Contents
   Terminal	RWU - RIVG
   Equipment Setting	5 V/DIV, 100 μs/DIV
   Condition	Ignition switch ON





3. Waveform 3 (Rear Motor switch V signal)
   

   Item	Contents
   Terminal	RVU - RIVG
   Equipment Setting	5 V/DIV, 100 μs/DIV
   Condition	Ignition switch ON





4. Waveform 4 (Generator switch U signal)
   

   Item	Contents
   Terminal	GUU - GINV
   Equipment Setting	5 V/DIV, 100 μs/DIV
   Condition	Ignition switch ON





5. Waveform 5 (Generator switch W signal)
   

   Item	Contents
   Terminal	GWU - GINV
   Equipment Setting	5 V/DIV, 100 μs/DIV
   Condition	Ignition switch ON





6. Waveform 6 (Generator switch V signal)
   

   Item	Contents
   Terminal	GVU - GINV
   Equipment Setting	5 V/DIV, 100 μs/DIV
   Condition	Ignition switch ON





7. Waveform 7 (Motor switch U signal)
   

   Item	Contents
   Terminal	MUU - GINV
   Equipment Setting	5 V/DIV, 100 μs/DIV
   Condition	Ignition switch ON





8. Waveform 8 (Motor switch W signal)
   

   Item	Contents
   Terminal	MWU - GINV
   Equipment Setting	5 V/DIV, 100 μs/DIV
   Condition	Ignition switch ON





9. Waveform 9 (Motor switch V signal)
   

   Item	Contents
   Terminal	MVU - GINV
   Equipment Setting	5 V/DIV, 100 μs/DIV
   Condition	Ignition switch ON





10. Waveform 10 (DC/DC converter voltage switch signal)
    

    Item	Contents
    Terminal	VLO - GND1
    Equipment Setting	5 V/DIV, 100 μs/DIV
    Condition	Ignition switch ON





11. Waveform 11 (communication signal from MG to HV)
    

    Item	Contents
    Terminal	CH1: MTH+ - GND1 CH2: MTH- - GND1
    Equipment Setting	1 V/DIV, 200 μs/DIV
    Condition	Ignition switch ON

    HINT:

    The waveform varies depending on the contents of communication.





12. Waveform 12 (communication signal from HV to MG)
    

    Item	Contents
    Terminal	CH1: HTM+ - GND1 CH2: HTM- - GND1
    Equipment Setting	1 V/DIV, 200 ms/DIV
    Condition	Ignition switch ON

    HINT:

    The waveform varies depending on the contents of communication.





13. Waveform 13 (MG communication request signal)
    

    Item	Contents
    Terminal	CH1: REQ+ - GND1 CH2: REQ- - GND11
    Equipment Setting	1 V/DIV, 1 ms/DIV
    Condition	Ignition switch ON





14. Waveform 14 (MG communication clock signal)
    

    Item	Contents
    Terminal	CH1: CLK+ - GND1 CH2: CLK- - GND1
    Equipment Setting	1 V/DIV, 1 μs/DIV
    Condition	Ignition switch ON





15. Waveform 15 (Rear Motor resolver signal)
    

    Item	Contents
    Terminal	CH1: RRF - RRFG CH2: RSN - RSNG CH2: RCS - RCSG
    Equipment Setting	CH1: 10 V/DIV, 1 ms/DIV CH2, CH3: 5 V/DIV, 1 ms/DIV
    Condition	Resolver running

    HINT:

    Pulse cycle A becomes shorter as the rotor speed increases.





16. Waveform 16 (Generator resolver signal)
    

    Item	Contents
    Terminal	CH1: GRF - GRFG CH2: GSN - GSNG CH2: GCS - GCSG
    Equipment Setting	CH1: 10 V/DIV, 1 ms/DIV CH2, CH3: 5 V/DIV, 1 ms/DIV
    Condition	Resolver running

    HINT:

    Pulse cycle A becomes shorter as the rotor speed increases.





17. Waveform 17 (Motor resolver signal)
    

    Item	Contents
    Terminal	CH1: MRF - MRFG CH2: MSN - MSNG CH2: MCS - MCSG
    Equipment Setting	CH1: 10 V/DIV, 1 ms/DIV CH2, CH3: 5 V/DIV, 1 ms/DIV
    Condition	Resolver running

    HINT:

    Pulse cycle A becomes shorter as the rotor speed increases.