Control device for hybrid vehicle
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United States of America Patent
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Apr 5, 2016
Grant Date -
Sep 11, 2014
app pub date -
Mar 7, 2014
filing date -
Mar 8, 2013
priority date (Note) -
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Abstract
In a hybrid vehicle that selects a series mode in which an engine drives a motor generator to generate electric power and a driving motor drives drive wheels, fuel supply to the engine is stopped and motoring in which the motor generator forcedly drives the engine can be performed, failure determination of a front O2 sensor and a rear O2 sensor provided in an exhaust passage of the engine can be performed based on a change in a detection value of the sensors when the fuel supply is stopped, and a throttle valve of the engine is forcedly opened in the motoring.
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