Fault diagnosis apparatus for mounting on a vehicle
US5111686A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1991 |
| Grant date | May 12, 1992 |
| Priority date | — |
| Expiry date | Feb 19, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/007
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A diagnosis apparatus adapted to be mounted on a vehicle, which stores conditions of abnormality of an electronic control apparatus for controlling the vehice and diagnoses a fault in the apparatus, comprising operating condition detecting element for detecting the condition of the vehicle operation, abnormal condition memory element storing an occurrence of an abnormal condition of the vehicle, vehicle operating condition memory element for storing the operating conditions when an abnormal condition occurs in the vehicle, reproduction mode instruction element for instructing to execute abnormal condition reproduction test mode, operating condition comparison element for comparing the current vehicle operating conditions with the vehicle operating conditions at the time of abnormality occurrence in the abnormal condition reproduction mode set by the instruction element, and notifying element for notifying a result of the above-mentioned comparison of vehicle operating conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.