Overlap control

The overlap control ensures gentle shift characteristics as follows: in the overlap control, a number of multi-plate clutches are used simultaneously. In the engaged multi-plate clutch, the pressure is reduced and simultaneously pressure is built up in the clutch to be engaged. The pressure decrease or pressure build-up is maintained until a synchronized speed is reached. Then, the hydraulic pressure for the multi-plate clutch to be engaged can be built up in full. The overlap control is in all shifts from 1st to 6th gear and from 6th to 1st gear.