Diagnosis system for motor vehicle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 8, 1991
Grant Date -
N/A
app pub date -
Oct 18, 1989
filing date -
Oct 21, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed a diagnosis system for a motor vehicle, and comprising a plurality of and various electronic control units mounted on the vehicle, and a diagnosis unit connected to the control units and for diagnosing troubles occurring in the several control units. The system further comprises a plurality of communication circuits provided in the diagnosis unit corresponding to every communication systems of the control units, a communication bus provided to connect the control units in parallel to the diagnosis unit, and one external connector for connecting the bus to the diagnosis unit. Accordingly, it is possible for the system to respond to every trouble of the control unit despite different communication systems, without changing connectors, and providing a plurality of communication buses.
First Claim
Other Claims data not available