Method and apparatus for self-diagnosis for an electronic contro

Boots – shoes – and leggings

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731173, G06F 1100, G06F 1132

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active

055946461

ABSTRACT:
In a vehicle control system having a main electronic control unit governing a plurality of subsidiary electronic control units, each of the subsidiary units includes an automatic continuous subsidiary unit self-diagnosis procedure which generates an interrupt signal causing the main electronic control unit to retrieve date and time data from the main unit clock. This subsidiary malfunction date and time data along with details of the subsidiary unit malfunction can be stored in either the main unit memory or the respective subsidiary unit memory for subsequent retrieval and display by an operator via the main control unit. Any malfunction of the main electronic control unit is similarly detected, stored and output by the main control unit for display.

REFERENCES:
patent: 4497057 (1985-01-01), Kato et al.
patent: 4817418 (1989-04-01), Asami et al.
patent: 4825362 (1989-04-01), Minami et al.
patent: 4843557 (1989-06-01), Ina et al.
patent: 5005129 (1991-04-01), Abe et al.
Dictionary of Computers, Information Processing & Telecommunications; 2nd Ed.; Rosenberg; 1984; p. 419.

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