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:
Nov. 05, 2002

Filed:

Dec. 21, 2001
Applicant:
Inventors:

Masaya Oi, Okazaki, JP;

Yoshiyuki Maki, Kariya, JP;

Assignee:

Denso Corporation, Kariya, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 1/700 ;
U.S. Cl.
CPC ...
G01M 1/700 ;
Abstract

To enable easier change of a self-diagnostic program for making a contribution towards improvement in quality of the same program, even if it is required to correct an execution condition for fault detection due to the change of a diagnosis object, a diagnostic drive determination object is provided to determine the execution condition of a fault detection object driven from a diagnostic scheduler object. The diagnostic scheduler object determines the fault detection object of the drive object and requests the drive acknowledgment to the diagnostic drive determination object. Upon issuance of the drive acknowledgment request, the diagnostic drive determination object obtains the information required for the execution condition determination and notifies a drive acknowledgment/non-acknowledgment message. Only when the acknowledgment message is notified, does the diagnostic scheduler object issue a drive instruction to the fault detection object of the diagnostic object.


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