FIELD: motor vehicle industry.
SUBSTANCE: invention relates to electronic control systems of two-fuel internal combustion engines, specifically to variators of ignition advance angle (IAA). Disclosed is system of emergency disconnection of variator of advance angle of ignition, comprising sensors of position of crankshaft 1 and distribution shaft 2 of internal combustion engine, electronic closing device 3, variator of advance angle of ignition 4 with controller 5 and fault indicator 7, electronic control unit of engine 9. Electronic closing device 3 is additionally equipped with connections in the form of electric wires 8 transmitting the control signal to the electronic control unit of engine 9, bypassing variator 4.
EFFECT: invention makes it possible to preserve the possibility of engine operation and vehicle movement at failure of the IAA variator.
1 cl, 1 dwg
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