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

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

The bi-pressure pump operated by an electric motor, is integrated in the pneumatic control module with combined functions (A37). It produces pressure or depending on the request. vacuum The pneumatic control module with combined functions (A37) is able to pressurize the pneumatic elements of the doors, of the fuel filler flap and of the trunk lid either with pressure or vacuum.

Globally unlocking:
The central locking pneumatic elements of all the doors are pressurized with vacuum and unlocked.

Selectively unlocking:
Only the central locking pneumatic elements of the driver's door and of the fuel filler flap are pressurized with vacuum and unlocked.

Opening trunk lid
The central locking pneumatic element of the trunk lid lock is pressurized with a vacuum as the result of which the trunk lid lock opens unless it is secured by the lock cylinder having been turned to the 90° position. The trunk lid locking switch (S134) is read in by the pneumatic control module with combined functions (A37) for this purpose.

Locking :
The central locking pneumatic elements of the doors and of the fuel filler flap are supplied with pressure all as the result of which the doors, the trunk lid and the fuel filler flap are locked.