Vehicular communications system initializing abnormal...

Details Vehicular communications system initializing abnormal... Vehicular communications system initializing abnormal...

2005-01-25

2005-01-25

Nguyen, Tan Q. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

C701S002000, C701S029000, C455S419000, C702S183000

Reexamination Certificate

active

06847864

ABSTRACT:
A vehicular communications system connects, through a communications network, with a plurality of electronic control units (ECUs) that control respective in-vehicle devices. The vehicular communications system further connects with a master ECU that monitors, for diagnosis, operating states of the ECUs through the communications network. When the master ECU detects a given ECU that is in an abnormal state, it restarts, through the communications network, the given ECU to return to an initial state. When the master ECU initializes the given ECU, it stores a record of initializing the given ECU in its EEPROM, and initializes, when necessary, a built-in memory of the given ECU. The master ECU can be constructed as initializing the given ECU based on an initialization request command from an outside of the vehicle through wireless communications.

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