The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 13, 1990

Filed:

Aug. 13, 1987
Applicant:
Inventors:

Shigeaki Hirano, Himeji, JP;

HIrotoshi Maekawa, Himeji, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R / ;
U.S. Cl.
CPC ...
324537 ; 324384 ;
Abstract

A fault diagnosis system is provided for vehicles having a pluarlity of automotive electonic devices which output fault diagnoses according to one of a plurality of output signal schemes disposed thereon. A vehicle-side connector includes pins for carrying signal lines for signals representing the results of the fault diagnoses output from the plurality of of electronic devices. The vehicle-side connector also includes at least one pin for carrying at least one control line for a signal designating a selected output signaling scheme to the electronic devices. One of a plurality of testers displays the results of the fault diagnoses on the basis of the signals transmitted from the respective electronic devices. Each tester has a tester-side connector which connects to the vehicle-side connector to connect the output signals from each of the electronic devices and the control signal for designating the selective signaling scheme.


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