Electronic control system for vehicles
US8406951B2 · kind B2 · utility
9Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2009 |
| Grant date | Mar 26, 2013 |
| Priority date | — |
| Expiry date | May 10, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/006
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
In an electronic control system for a vehicle, an ECU performs diagnosis, and attaches a flag to abnormality data DTC upon detection of abnormality. The flag value is 0 or 1, when a specified condition is not satisfied and satisfied, respectively. When an ignition switch is turned off, the DTC with the attached flag is stored in an EEPROM. The flag value is switched in response to a specified condition that arises between completion of assembly of the ECU to a vehicle and use of the vehicle by a user. The specified condition is set to correspond to start of telematics service to the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.