Engine control system with vehicle anti-theft function

Details Engine control system with vehicle anti-theft function Engine control system with vehicle anti-theft function

1995-06-05

1997-06-10

Chin, Gary

Boots, shoes, and leggings

364424045, 180287, 307 103, 340428, B60R 2504

Patent

active

056382707

ABSTRACT:
An engine control system in which control of an engine can be performed after there has been a momentary power disconnection of a power supply, such as the vechicle battery, from an engine control unit of an electronic circuit which executes an anti-theft function. A power supply detecting circuit detect a connecting of the power supply to the engine control unit. A further circuit determines on the basis of the vehicle speed and the RPM whether or not the vehicle is running. When a connecting of the power supply to the engine control unit is dectected, a determination is made whether or not the power supply connecting has occured after a preceding momentary power disconnection if the further circuit determines that the vehicle is running. The anit-theft function of the electronic circuit is disable when it is determined that there has been a preceding momentary power desconnection.

REFERENCES:
patent: 4291237 (1981-09-01), Kitano
patent: 4366466 (1982-12-01), Lutz
patent: 4749873 (1988-06-01), Mutoh et al.
patent: 4754255 (1988-06-01), Sanders et al.
patent: 4965460 (1990-10-01), Tanaka et al.
patent: 5111185 (1992-05-01), Kozaki
patent: 5287006 (1994-02-01), Carlo et al.
patent: 5449957 (1995-09-01), Carlo
patent: 5519376 (1996-05-01), Iijima

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