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Home >> Mercedes Benz >> 2004 >> E320 Base, 4D Sedan >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Overview, Contents, Function & Description - C230 KOMPRESSOR - 722.695) >> Automatic Transmission, Contents, Function Description (Up To 4/24/04) >> Modulating Pressure, Function

Modulating Pressure, Function

WARNING: This page is about a different car, the 2004 Mercedes-Benz C230 and 2003 Mercedes-Benz C230. However, it is still accessible from the selected car via links, so may be relevant.

Operation 

The modulating pressure influences the size of the working pressure and determines together with the shift pressure the regulated at the overlap regulating valve.

The modulating pressure is regulated at the modulating pressure regulating solenoid valve (Y3/6y1), which is under regulating valve pressure. The modulating pressure is variable and relative to the engine load.

  1. Modulating Pressure Regulating Solenoid Valve, Location/Task/Design/Function

    See MODULATING PRESSURE REGULATING SOLENOID VALVE, LOCATION/TASK/DESIGN/FUNCTION  .
  2. Working Pressure Regulating Valve, Location/Task/Function

    See WORKING PRESSURE REGULATING VALVE, LOCATION/TASK/FUNCTION  .
  3. Overlap Regulating Valve, Location/Task/Function

    See OVERLAP REGULATING VALVE, LOCATION/TASK/FUNCTION  .
  4. Upshift/Downshift Solenoid Valve, Location/Task/Design/Function

    See UPSHIFT/DOWNSHIFT SOLENOID VALVE, LOCATION/TASK/DESIGN/FUNCTION  .
  5. Shift Pressure Control Solenoid Valve, Location/Task/Design/Function

    See SHIFT PRESSURE REGULATING SOLENOID VALVE, LOCATION/TASK/DESIGN/FUNCTION  .
  6. Location/Task/Design/Function Of PWM Solenoid Valve, Torque Converter Lock Up Clutch

    See LOCATION/TASK/DESIGN/FUNCTION OF PWM SOLENOID VALVE, TORQUE CONVERTER LOCKUP CLUTCH  .
  7. Multiple-Disc Brake, Location/Task/Design/Function

    See MULTIPLE-DISC BRAKE, LOCATION/TASK/DESIGN/FUNCTION  .
  8. Multiplate Clutch, Location/Task/Design/Function

    See MULTI-PLATE CLUTCH, LOCATION/TASK/DESIGN/FUNCTION  .
  9. Holding Pressure Shift Valve, Location/Design/Function

    See HOLDING PRESSURE SHIFT VALVE, LOCATION/TASK/FUNCTION  .
  10. Shift Pressure Shift Valve, Location/Design/Function

    See SHIFT PRESSURE SHIFT VALVE, LOCATION/TASK/FUNCTION  .
  11. Command Valve, Location/Design/Function

    See LOCATION/TASK/FUNCTION OF COMMAND VALVE  .
  12. Selector Valve, Location/Task

    See SELECTOR VALVE, LOCATION/TASK  .
  13. Location/Task/Design/Function Of Oil Pump

    See LOCATION/TASK/DESIGN/FUNCTION OF OIL PUMP  .


Operation 

The modulating pressure influences the size of the working pressure and determines together with the shift pressure the pressure regulated at the overlap regulating valve.

The modulating pressure is regulated at the modulating pressure regulating solenoid (Y3/6y1), which is under regulating valve pressure. The modulating pressure via variable and relative to the engine load.

  1. Modulating Pressure Regulating Solenoid Valve, Location/Task/Design/Function

    See MODULATING PRESSURE REGULATING SOLENOID VALVE, LOCATION/TASK/DESIGN/FUNCTION  .
  2. Working Pressure Regulating Valve, Location/Task/Function

    See WORKING PRESSURE REGULATING VALVE, LOCATION/TASK/FUNCTION  .
  3. Overlap Regulating Valve, Location/Design/Function

    See OVERLAP REGULATING VALVE, LOCATION/TASK/FUNCTION  .
  4. Upshift/Downshift Solenoid Valve, Location/Task/Design/Function

    See UPSHIFT/DOWNSHIFT SOLENOID VALVE, LOCATION/TASK/DESIGN/FUNCTION  .
  5. Shift Pressure Regulating Solenoid Valve, Location/Task/Design/Function

    See SHIFT PRESSURE REGULATING SOLENOID VALVE, LOCATION/TASK/DESIGN/FUNCTION  .
  6. Location/Task/Design/Function Of PWM Solenoid Valve, Torque Converter Lockup Clutch

    See LOCATION/TASK/DESIGN/FUNCTION OF PWM SOLENOID VALVE, TORQUE CONVERTER LOCKUP CLUTCH  .
  7. Multiple-Disc Brake, Location/Task/Design/Function

    See MULTIPLE-DISC BRAKE, LOCATION/TASK/DESIGN/FUNCTION  .
  8. Multiplate Clutch, Location/Task/Design/Function

    See MULTI-PLATE CLUTCH, LOCATION/TASK/DESIGN/FUNCTION  .
  9. Holding Pressure Shift Valve, Location/Design/Function

    See HOLDING PRESSURE SHIFT VALVE, LOCATION/TASK/FUNCTION  .
  10. Shift Pressure Shift Valve, Location/Design/Function

    See SHIFT PRESSURE SHIFT VALVE, LOCATION/TASK/FUNCTION  .
  11. Location/Task/Function Of Command Valve

    See LOCATION/TASK/FUNCTION OF COMMAND VALVE  .
  12. Selector Valve, Location/Task

    See SELECTOR VALVE, LOCATION/TASK  .
  13. Location/Task/Design/Function Of Oil Pump

    See LOCATION/TASK/DESIGN/FUNCTION OF OIL PUMP  .