mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

GF47.30-P-2020V Purge Control Valve - Description of Components|Page 8294 > < GF47.30-P-2020V Purge Control Valve - Description of Components|Page 8292
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Canister Purge Control Valve: Description and Operation
GF47.31-P-2100VU Activated Charcoal Canister Shutoff Valve - Description of Components

Activated Charcoal Canister Shutoff Valve - Description Of Components

Component Identification

Location

The activated charcoal filter shutoff valve is located at the activated charcoal canister vent connection.

Design

Solenoid which opens the valve when energized. Coil resistance around 15 , 2-pole plug connection. Additionally a mechanical safety t valve is installed.

Function

When ignition ON, the valve is actuated by the motor electronics control unit at the ground end and opens. The voltage supply is performed by terminal
87. If the closed valve jams, a safety valve opens as of approx. -25 mbar and ventilates the fuel tank.

GF47.30-P-2020V Purge Control Valve - Description of Components|Page 8294 > < GF47.30-P-2020V Purge Control Valve - Description of Components|Page 8292