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Title:
TIME MANAGEMENT SYSTEM AND METHOD FOR VEHICLE FAILURE DIAGNOSTIC DEVICE
Document Type and Number:
Japanese Patent JP3657027
Kind Code:
B2
Abstract:

PURPOSE: To provide the time management system and method for vehicle failure capable of removing the contradiction or error of time to be stored between respective controllers and surely diagnosing a failure of a vehicle at an accurate time in a vehicle failure diagnostic device for storing the status progress or the like of failure history data and an I/O signal together with the occurrence time and/or elapsed time, etc., in a memory for each controller and executing failure diagnosis by using the stored data.
CONSTITUTION: In the vehicle failure diagnostic device provided with plural controllers 11a to 11n for detecting a failure of a sensor or an actuator and transmitting the failure data through a communication network 10, a master controller 1 transmits counted time to the controllers 11a to 11n as a standard time, and at the time of detecting a failure, the controllers 11a to 11n find out a time for failure diagnosis based upon the received standard time.


Inventors:
菅野 幸夫
志村 洋
Application Number:
JP14978695A
Publication Date:
June 08, 2005
Filing Date:
May 25, 1995
Export Citation:
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Assignee:
株式会社小松製作所
International Classes:
G01M17/007; B60R16/02; G06F11/18; G07C3/00; G07C5/08; B60R16/03; (IPC1-7): G07C3/00; B60R16/02; G01M17/007
Domestic Patent References:
JP4304589A
JP6333117A
JP5143816A



 
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