Apparatus for failure diagnosis of a vehicular foot brake switch
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United States of America Patent
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N/A
Issued Date -
Oct 8, 2009
app pub date -
May 1, 2008
filing date -
May 1, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An apparatus for failure diagnosis starts counting a frequency of a switching action of a foot brake switch when determining that vehicle speed is higher than a first criterion value, and ceases to count the frequency of the switching action when determining that the vehicle speed has decreased below a second criterion value set to be lower than the first criterion value. When the frequency of the switching action counted by a count section is less than a predetermined value, the apparatus for failure diagnosis determines that the foot brake switch has a failure.
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