| 摘要 |
<p>control device for an automatic transmission (4) having a torque converter (14) with a lock-up clutch (24) provided between an engine (2) and the automatic transmission (4), and a lock-up control device for controlling an engaged condition of the lock-up clutch (24). The control device includes a plurality of different target slip ratio maps each having a plurality of target slip ratio characteristic lines of the lock-up clutch (24) predetermined according to a throttle angle, a first map selector for selecting one of the target slip ratio maps according to a running range, according to whether the running road is a level road/downhill road or an uphill road, and according to a gear position during running in the condition where an accelerator pedal is depressed, and a second map selector for selecting one of the target slip ratio maps according to a running range, according to whether the running road is a level road/uphill road or a downhill road, and according to a gear position during running in the condition where the accelerator pedal is undepressed.</p> |
