FIELD: transport.
SUBSTANCE: in compliance with this invention engine shutdown request initiated by brake depression by driver and engine shutdown inhibit request output owing to diagnostics of air-fuel ratio sensor fault, said sensor being arranged in engine exhaust system and making an independent element. When both required are output at a time, engine shutdown request of higher priority is executed. In this case, engine shutdown request inhibit is rejected to prevent spontaneous engine restart at said rejection.
EFFECT: ruled out spontaneous engine restart, higher fuel efficiency.
5 cl, 5 dwg
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