Method for controlling automobile device when sensor output is abnormal
First Claim
1. A method of controlling the operation of an electrical device mounted on a vehicle equipped with a running condition sensor for sensing the running condition of said vehicle, said method comprising the steps of:
- sensing a predetermined parameter required for the control of said electrical device by means of additional sensing means mounted on said vehicle;
discriminating whether said sensed predetermined parameter is within a normal range or an abnormal range;
controlling said electrical device in accordance with said sensed predetermined parameter when said parameter is discriminated to be within said normal range; and
controlling said electrical device in accordance with an output of said running condition sensor when said sensed predetermined parameter is discriminated to be within said abnormal range.
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Accused Products
Abstract
A control method performed in response to the occurrence of an abnormal sensor output during the operation of monitoring the output signal of a sensor and controlling the operation of an automobile device such as a wiper. A microcomputer detects the presence or absence of an abnormal value of the sensor output signal converted to digital form so that when the abnormal value is detected, the operation of the automobile device is selectively controlled in accordance with an engine operating condition indicative signal applied to the microcomputer.
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Citations
5 Claims
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1. A method of controlling the operation of an electrical device mounted on a vehicle equipped with a running condition sensor for sensing the running condition of said vehicle, said method comprising the steps of:
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sensing a predetermined parameter required for the control of said electrical device by means of additional sensing means mounted on said vehicle; discriminating whether said sensed predetermined parameter is within a normal range or an abnormal range; controlling said electrical device in accordance with said sensed predetermined parameter when said parameter is discriminated to be within said normal range; and controlling said electrical device in accordance with an output of said running condition sensor when said sensed predetermined parameter is discriminated to be within said abnormal range. - View Dependent Claims (2, 3, 4, 5)
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Specification