Patent ID: 6219598
Filing Date: 2001-04-17
Classification: B60R,H02J

Abstract:
A control system for a device used on a vehicle, comprising:at least one circuit element outputting a signal corresponding to a condition used to control operation of the device;a first controller receiving the signal from said at least one circuit element and outputting a first control signal to operate the device, the first controller outputting also a reset prevent signal when the first controller cannot be reset;a monitoring circuit configured to detect occurrence of an abnormality in operation of the first controller which will halt outputting of the first control signal, and to reset the first controller when the abnormality is detected and the reset prevent signal is not output by the first controller to maintain outputting of the first control signal; anda second controller configured to output a second control signal to operate the device in response to receipt of the signal from the at least one circuit element and the reset prevent signal from the first controller.