Hybrid Control System

P311 HYBRID VEHICLE CONTROL: HYBRID CONTROL SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

























NOTICE: Do not measure voltage or waveform directly at the sealed side of the hybrid vehicle control ECU connectors. Doing so may damage the connectors because these connectors are waterproof.

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





(a) Waveform 1 (System main relay operation signal)










(b) Waveform 2 (Immobilizer communication signal)





HINT: The waveform will vary depending on the content of the digital communication (digital signal).





(c) Waveform 3 (CAN communication signal)





HINT: The waveform will vary depending on the content of the digital communication (digital signal).





(d) Waveform 4 (Vehicle speed signal)





HINT: The higher the vehicle speed, the shorter the cycle.





(e) Waveform 5 (VLO signal)





HINT: The cycle will vary depending on the specified voltage of the hybrid vehicle converter (DC/DC converter).





(f) Waveform 6 (HV battery blower fan operation signal)










(g) Waveform 7 (HV water pump signal)










(h) Waveform 8 (Communication signal from hybrid vehicle control ECU to MG ECU)





HINT: The waveform will vary depending on the content of the digital communication (digital signal).





(i) Waveform 9 (Communication signal from MG ECU to hybrid vehicle control ECU)





HINT: The waveform will vary depending on the content of the digital communication.





(j) Waveform 10 (MG communication clock signal)










(k) Waveform 11 (MG communication request signal)










(l) Waveform 12 (Communication signal from battery smart unit to hybrid vehicle control ECU)





HINT: The waveform will vary depending on the content of the digital communication (digital signal).





(m) Waveform 13 (Airbag deployment signal)










(n) Waveform 14 (READY signal)










(o) Waveform 15 (A/C communication signal)





HINT: The waveform will vary depending on the content of the digital communication (digital signal).





(p) Waveform 16 (GO signal)





HINT: The pulse cycle becomes shorter as the engine speed increases.













NOTICE: Do not measure voltage or waveform directly at the sealed side of the inverter with converter assembly connectors. Doing so may damage the connectors because these connectors are waterproof.

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





(a) Waveform 1 (Motor resolver signal)





HINT: Pulse cycle A becomes shorter as the rotor speed increases.





(b) Waveform 2 (MG ECU communication request signal)










(c) Waveform 3 (Communication signal from MG ECU to hybrid vehicle control ECU)





HINT: The waveform will vary depending on the content of the digital communication (digital signal).





(d) Waveform 4 (GI signal)





HINT: The pulse cycle becomes shorter as the engine speed increases.





(e) Waveform 5 (Generator resolver signal)





HINT: Pulse cycle A becomes shorter as the rotor speed increases.





(f) Waveform 6 (Communication signal from hybrid vehicle control ECU to MG ECU)





HINT: The waveform will vary depending on the content of the digital communication (digital signal).