JP2006349428A5

JP2006349428A5 -

Info

Publication number: JP2006349428A5
Application number: JP2005174342A
Authority: JP
Filing date: 2005-06-14
Publication date: 2008-07-17
Anticipated expiration: 2025-06-14

Claims

A failure diagnosis device outside a vehicle for diagnosing a failure that has occurred in a vehicle,
An acquisition means for acquiring information on a failure detected in the vehicle using communication;
When one failure is detected in one vehicle, the failure occurrence criterion for the one failure in one or more other vehicles with similar vehicle status or attributes to the one vehicle is changed to a more gradual criterion Judging criteria changing means for
Extracting means for extracting a characteristic of a vehicle state or a vehicle surrounding environment common to the vehicle in which the one failure is detected according to the more gradual failure determination criterion among the one or more other vehicles. Fault diagnosis device.

The failure diagnosis device according to claim 1,
A judgment means for judging how serious the one fault is;
The failure diagnosis apparatus characterized in that the determination criterion changing means changes the degree of change of the failure occurrence determination criterion based on a determination result by the determination means.

The failure diagnosis device according to claim 1,
A judgment means for judging how serious the one fault is;
The failure diagnosing apparatus according to claim 1, wherein the determination criterion changing unit changes the number of the one or more other vehicles based on a determination result by the determination unit.

A failure diagnosis system that communicates between an in-vehicle device and a failure diagnosis device outside the vehicle to diagnose a failure that has occurred in the vehicle,
The fault diagnosis apparatus is
An acquisition means for acquiring information on a failure detected in the vehicle using communication;
When one failure is detected in one vehicle, the failure occurrence criterion for the one failure in one or more other vehicles with similar vehicle status or attributes to the one vehicle is changed to a more gradual criterion Judging criteria changing means for
An extraction means for extracting characteristics of a vehicle state or a vehicle surrounding environment common to the vehicle in which the one failure is detected according to the more gradual failure determination criterion among the one or more other vehicles,
The in-vehicle device is
A communication device that transmits information related to a failure detected in a vehicle according to the failure occurrence criterion, ID information for identifying the vehicle, and information for extracting characteristics of the vehicle state or the surrounding environment to the failure diagnosis apparatus When,
When an instruction to change the failure occurrence determination criterion to a more gradual reference is received from the failure diagnosis device by the communication device, the ECU changes the failure occurrence determination criterion to the more gradual failure determination criterion; A fault diagnosis system comprising:

The fault diagnosis system according to claim 4,
The failure diagnosis apparatus further includes a determination means for determining how serious the one failure is,
The failure diagnosis system, wherein the determination criterion changing unit changes a degree of change of the failure occurrence determination criterion based on a determination result by the determination unit .

The fault diagnosis system according to claim 4,
The failure diagnosis apparatus further includes a determination means for determining how serious the one failure is,
The failure diagnosis system, wherein the determination criterion changing unit changes the number of the one or more other vehicles based on a determination result by the determination unit.

A failure diagnosis method for diagnosing a failure that has occurred in a vehicle,
An acquisition step of acquiring information about a failure detected in the vehicle using communication;
When one failure is detected in one vehicle, the failure occurrence criterion for the one failure in one or more other vehicles with similar vehicle status or attributes to the one vehicle is changed to a more gradual criterion A criterion changing step to perform,
An extraction step of extracting a characteristic of a vehicle state or a vehicle surrounding environment common to the vehicle in which the one failure is detected in accordance with the more gradual failure determination criterion among the one or more other vehicles. Fault diagnosis method.

The failure diagnosis method according to claim 7,
A determination step for determining how serious the one failure is;
In the failure diagnosis method, the determination criterion changing step changes a degree of change of the failure occurrence determination criterion based on a determination result in the determination step.

The failure diagnosis method according to claim 7,
A determination step for determining how serious the one failure is;
In the failure diagnosis method, the determination criterion changing step changes the number of the one or more other vehicles based on a determination result of the determination step.

An in-vehicle device mounted on a vehicle to be diagnosed by a failure diagnosis device outside the vehicle,
A communication device that transmits information about a failure detected in the vehicle according to a failure occurrence criterion, ID information for identifying the vehicle, and information for extracting characteristics of the vehicle state or the surrounding environment to the failure diagnosis device;
When an instruction to change the failure occurrence determination criterion to a more gradual reference is received from the failure diagnosis device by the communication device, the ECU changes the failure occurrence determination criterion to a more gradual failure determination criterion. A vehicle-mounted device comprising: