| 摘要 |
PURPOSE: A control method for a hydraulic unit system is provided to automatically switch a specific solenoid valve to another solenoid valve when the specific one abnormally operates. CONSTITUTION: A first sub solenoid valve is driven so that a fluid from a main solenoid valve is forced to outside(S205). An error of the first sub solenoid valve is checked(S207). When an error of the first sub solenoid valve is detected, a second pump and a second motor are driven so that the fluid provided from a fluid source flows into the main solenoid valve(S209). A second sub solenoid valve is driven so that the fluid from the main solenoid valve is discharged to outside(S211).
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