| 摘要 |
PROBLEM TO BE SOLVED: To restrain unnecessary power consumption by providing a vehicle speed sensor for detecting the vehicle's running speed and stopping the operation of an actuator when the running speed is lower than a predetermined value so that the actuator is not activated with an output from a lateral acceleration sensor alone. SOLUTION: If an ignition switch is turned on (step 1), an electronic control unit starts self-diagnosis and performs initial setting (step 2). Firstly, an actuator operation inhibition flag is set to 1 (step 3). This inhibits the actuator operation. Then, a running speed is read in (step 4), and the system judges whether the running speed exceeds a predetermined value, 15 km/h for instance (step 5). If the running speed exceeds the predetermined value, the operation inhibition flag is set to O (step 6) which permits the actuator to be operated. Expansion control of the actuator is thus performed.
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