LOCK-UP CONTROL DEVICE OF AUTOMATIC TRANSMISSION

摘要

PROBLEM TO BE SOLVED: To provide a lock-up control device of an automatic transmission capable of meeting an acceleration request of a driver while restraining a shock of pulling due to releasing immediately after lock-up in case of actuating an accelerator in the course of traveling in the lock-up state. SOLUTION: In the lock-up control device of the automatic transmission, a lock-up control means has a drive actuating time lock-up release control part (quick smooth lock-up off processing) for gradually releasing the connection of the lock-up clutch from the connecting state to be released when the lock-up clutch is in the connecting state, and it is in the drive state where an accelerator opening speed is above a preset speed, and the initial opening of the accelerator opening is above a preset opening.