Abnormality detection of current sensor for electrically heated catalyst device in hybrid vehicle
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United States of America Patent
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Nov 5, 2019
Grant Date -
Oct 26, 2017
app pub date -
Apr 18, 2017
filing date -
Apr 20, 2016
priority date (Note) -
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Abstract
A control device executes abnormality detection processing for detecting an abnormality of a current sensor. The abnormality detection processing includes first processing which is executed in a case where, during reception of electric power from a power supply, a state of charge of a power storage device is equal to or greater than a predetermined amount and electric power is supplied to an electrically heated catalyst device. The first processing includes processing for detecting an abnormality of the current sensor by estimating a current supplied to the electrically heated catalyst device using a detection value of a charging current sensor and comparing the estimated value with a detection value of the current sensor.
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