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Torque converter lockup clutch control pressure, function - GF27.60-P-3019G

TRANSMISSION 722.6 

Apart from the extreme states of open or closed, it is possible to operate the torque converter lockup clutch with preset slip speeds. To enable this variable control pressure must be applied to the torque converter lockup clutch regulating valve.

The torque converter lockup clutch control pressure is adapted to each operating state via the pulse-width-modulated torque converter lockup solenoid valve (Y3/6y6) which is actuated by the ETC control unit (N15/3).

  Torque converter lockup clutch PWM solenoid valve, location/task/design/function   GF27.19-P-5112G 
  Torque converter lockup clutch, location/task/ design/function Model 129, 140, 163, 170, 202, 203, 208, 209, 210,211,230,240 GF27.20-P-5101G 
Models 215, 220 except code (479) cylinder shutoff  
Model 215, 220 with code (479) cylinder shutoff GF27.20-P-5101GA 
Type 171.4 GF27.20-P-5101SK
Model 199 GF27.20-P-5101SLR
  Torque converter lockup clutch regulating valve, location/task/function   GF27.60-P-5123G 
  ETC control unit, location/task   GF27.19-P-4012SLR