| 摘要 |
PROBLEM TO BE SOLVED: To smoothly release lock-up even in the decelerating condition. SOLUTION: The control device for an automatic transmission is provided with a smooth lock-up releasing means for gradually releasing a fastened lock-up clutch when car speed is lowered to the preset first car speed Vss1 or less, a lock-up releasing means for releasing the lock-up clutch when car speed is lowered to a second car speed VsuD or less, a differential pressure command value computing means for computing to gradually lower a differential pressure command value with the preset change ratio, and a differential pressure command value correcting means for correcting the differential pressure command value to be smaller, as car speed is lowered more. COPYRIGHT: (C)2006,JPO&NCIPI |
