Method and device for diagnosing the proper functioning of a motor vehicle anticrash lights
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United States of America Patent
Stats
-
Oct 8, 2002
Grant Date -
N/A
app pub date -
Mar 28, 2001
filing date -
Sep 28, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process for diagnosing the proper operation of direction indicator lights of a motor vehicle includes the steps of temporally and alternately shifting the end of illumination of the right and left change of direction indicator lamps of the vehicle, measuring the current passing through a power circuit of the direction indicator lamps during the temporal shift, comparing the measured value with a reference value, and deducing therefrom whether at least one of the lamps is inoperative and in this case informing the driver thereof. A device for diagnosing the proper operation of the direction indicator lights of a motor vehicle is also provided.
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