Process and apparatus for diagnosis of defects in electric or electronic modules in automotive vehicles
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United States of America Patent
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-
Apr 21, 1992
Grant Date -
N/A
app pub date -
Dec 22, 1989
filing date -
Dec 22, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to a process and an apparatus for diagnosing defects in electric or electronic modules mounted in an automotive vehicle. This apparatus comprises a wire harness (2) adapted to divert status or control signals from a system to be tested, a formatting interface (15) comprising a plurality of calibrating modules arranged in parallel, a multiprocessor (21) connected to the formatting interface (15) and comprising a backup memory in which are stored, in real time, the defect signals, memories (25) for storage of a set of diagnostic programs corresponding to a group of systems to be tested, adapted to configure the multiprocessor (21) in such a manner as to dedicate it to the treatment of signals from a given system, and a man/machine interface (28) having means for displaying the contents of the backup memory and manual selection means.
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