Shift Control System Diagram
Shift description
Controls clutches with optimum timing and fluid pressure in response to engine speed, engine torque information, and etc.
Lock-up control
Lock-up control is to enhance delivery efficiency by preventing the torque converter from slipping, engaging the lock-up piston into the torque converter.
It operates lock-up solenoid control in response to a signal from A/T control unit (TCM) and lock-up control valve behavior control, engages or releases the lock up piston of the torque converter.