Locking/unlocking pneumatically, function - GF80.20-P-4016S

MODEL 215, 220 

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° position.

Locking: 

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