The engagement and disengagement on the lock-up clutch is determined by the direction the fluid enters the torque converter. The automated transmission fluid can enter both from the entrance from the lock-up clutch or among the impeller and turbine, driving the clutch. Slippage consumes electrical power in the coupling phase. https://torque-converter-clutch19528.csublogs.com/41295084/the-best-side-of-torque-converter-clutch