Self-diagnosis system for a motor vehicle
US5034894A · kind A · utility
22Cited by
5References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 4, 1989 |
| Grant date | Jul 23, 1991 |
| Priority date | — |
| Expiry date | Apr 4, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/40
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Various detectors are provided for detecting engine operating conditions and for continuously producing an operating condition signal during operation of an engine. A self-diagnosis device is responsive to the operating condition signal for detecting an abnormality in the signal and for producing a data signal. A nonvolatile memory is provided for storing the data signal. The data signal is indicated on a display on an outside computer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.