Self-diagnosis system for vehicle and diagnosis method using same
US6449539B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 2000 |
| Grant date | Sep 10, 2002 |
| Priority date | — |
| Expiry date | May 19, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B23/0272
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A self-diagnosis system for a vehicle, with which it is possible, without requiring skill and practice, to realize running according to a running pattern and easily and certainly cause an ECU to execute a self-diagnosis. The self-diagnosis system comprises: a vehicle state detecting unit for detecting a vehicle state; a data processing unit for executing a diagnosis of a diagnosis object device on the basis of a predetermined running pattern preset in correspondence with the diagnosis object device and a vehicle state detected by the vehicle state detecting unit when running according to the running pattern is carried out; and a diagnosis data processing unit, data-transferably connected to the data processing unit, for obtaining and displaying data from the data processing unit, and under a condition that the diagnosis data processing unit is data-transferably connected to the data processing unit and the vehicle is run in a predetermined running pattern corresponding to a diagnosis object device in order to execute a diagnosis to the diagnosis object device, the diagnosis data processing unit displays that an execution condition is established when the execution condition of the …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.