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Fuel Door Release Actuator: Description and Operation



Filler Flap Solenoid, Central Locking System (434a)

Location
Filler flap solenoid, central locking system (434a)

Main task
Used to unlock the fuel filler flap.

Type
The solenoid contains a coil and a moving anchor that has a plastic locking pin in its extension. The locking pin is controlled by a bipolar electric motor, the polarity of which is reversed and opens at the same time as the rest of the car.







Connect
The solenoid is connected with 2 cables directly to the body control module, BCM. BCM performs locking respective unlocking by reversing the polarity of the solenoid. In the idle position the cables are dead.