GF80.20-P-4016S Locking/Unlocking Pneumatically, Function

GF80.20-P-4016S Locking/Unlocking Pneumatically, Function

The dual pressure pump driven by an electric motor is integrated into the PSE control module (combined) (A37). It provides pressure and vacuum as required. The pneumatic actuators in the doors, the tank flap and the trunk lid receive pressure and vacuum from the PSE control module (combined) (A37).

Universal unlocking:
The central locking pneumatic actuators in all doors receive vacuum and are locked.

Selective unlocking:
Only the central locking pneumatic actuators in the driver's door and the tank flap receive vacuum and are unlocked.

Opening trunk lid
The central locking pneumatic actuator for the trunk lid lock receives vacuum, opening the trunk lid lock if it is not secured with the lock cylinder in the 90 degrees position.

Locking:
The central locking pneumatic actuators in the doors and the tank flap receive pressure thereby locking all doors and the tank flap.