Humidity sensor diagnostic systems and methods
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United States of America Patent
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Nov 20, 2012
Grant Date -
Oct 8, 2009
app pub date -
May 6, 2008
filing date -
Apr 4, 2008
priority date (Note) -
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Abstract
A diagnostic system for a vehicle comprises a humidity module and a fault diagnostic module. The humidity module outputs a first humidity value based on a humidity measurement of a humidity sensor of the vehicle and outputs a second humidity value based on humidity data from a data source that is external to the vehicle. The fault diagnostic module selectively diagnoses a fault in the humidity sensor based on the first humidity value and the second humidity value.
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