| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydraulic control device of an automatic transmission capable of establishing a good balance between a shock and shifting time in shifting operation in which when the input side rotation of the automatic transmission is synchronized with the target rotating speed, connection is performed. SOLUTION: When at least one friction element is connected by increase in operating oil pressure, an engine executes up-shift operation in the driven state. In the case where it enters the neutral state, it is determined whether the turbine rotating speed is synchronized with the target rotating speed at a preset designated time in the step 110. When synchronization is determined in the step 120, the operating oil pressure Pc supplied to the friction element is taken as a first oil pressure P1 increasing with a gentle gradient. When synchronization is not determined in the step 120, the connection side operating oil pressure Pc is taken as a second oil pressure P2 increasing with a steep gradient more than the first oil pressure P1. |
