Torque Converter Lockup Clutch Control Pressure, Function - GF27.60-P-3019ANE

Transmission 725.0 (except 725.085) in model 463 

Function requirements, general 

• Terminal 15 ON
• Engine running

Torque converter lockup clutch control pressure, general 

The torque converter lockup clutch is operated at specified slip speeds. In order to make this possible, variable control pressure has to be applied to the torque converter lockup clutch regulating valve.

The torque converter lock-up clutch control pressure is adapted to the respective operating condition via the torque converter lockup clutch control solenoid (Y3/8y20), which is actuated by the fully integrated transmission control unit (Y3/8n4).