| 摘要 |
PROBLEM TO BE SOLVED: To prevent the reduction of the number of engine revolution to increase fuel cutting time, enchance fuel consumption ratio and prevent an engine from generating secluded sound and unpleasant vibration at the time of lock-up control in coasting operation. SOLUTION: When lock-up operation of coasting driving range is distinguished (S1) and also the number of engine revolution is distinguished lower than a prescribed value (S2), shiftdown is made to a shift gear of normal transmission control state (S7). |
