| 摘要 |
PROBLEM TO BE SOLVED: To enable a condition of vehicle speed starting to connect a lock-up clutch of a torque converter to be set as low as possible.SOLUTION: This invention relates to a vehicle in which a driving force outputted by an internal combustion engine is inputted to a transmission through a torque converter and transmitted to a vehicle shaft. A control input for increasing or decreasing a degree of opening of the solenoid valve is to be studied for the solenoid valve for adjusting a flow rate of working liquid supplied to the torque converter when a lock-up clutch which was released is connected. After completion of this study, a condition of vehicle speed in which a lock-up clutch connection is started as compared with that before completion of the study is set low. |
