Fault diagnostic system for vehicles using identification and program codes
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United States of America Patent
Stats
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Feb 13, 1996
Issued Date -
N/A
app pub date -
Oct 21, 1994
filing date -
Dec 25, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A memory stores a vehicle identifier code which enables identification of a vehicle carrying the same type of electronic control unit (ECU) correspondingly to an ECU identification code (ECU-ID) and display means for displaying the vehicle identifier code is displayed on the basis of the ECU-ID provided by an ECU, and a predetermined fault diagnostic program corresponding to the vehicle identifier code is selected and initiated in response to the input of a verification signal of the displayed vehicle identifier code. When a plurality of faulty parts of a vehicle are detected, a priority table is referred to and fault codes corresponding to the plurality of faulty parts are displayed with priority. The necessary specific work procedure is sequentially displayed according to the selected diagnostic program.
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