Method for learning and setting warm placard pressure threshold for a direct tire pressure monitoring system
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United States of America Patent
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Aug 20, 2013
Grant Date -
Jan 12, 2012
app pub date -
Jul 9, 2010
filing date -
Jul 9, 2010
priority date (Note) -
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Abstract
A method for setting a warm placard tire pressure threshold for a motor vehicle tire pressure monitoring system that initiates a learn mode in the tire pressure monitoring system, starts a timer upon determining a vehicle speed is greater than a predetermined speed threshold, stops the timer upon determining the vehicle speed is less than or equal to the predetermined speed threshold or a predetermined period of time has expired, detects a plurality of tire pressures for a tire location while the timer is timing, stores the plurality of tire pressures, averages the plurality of tire pressures to determine a warm placard tire pressure threshold upon the predetermined period of time expiring, and sets the warm placard tire pressure threshold in the tire pressure monitoring system.
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