Power Locks: Description and Operation

Repairing The Central Locking System

- Central locking system in the A4 operates electrically instead of pneumatically as before.
- Actuators in doors are integrated in the door lock and have 2 motors.
- Actuators cannot be replaced separately.
- The first motor locks the door and the second motor locks the interior door mechanism (Safe function).
- Now, doors also can no longer be opened from the interior.
- Actuators of fuel filler flap and rear lid have one motor each and cannot be replaced individually.
- After an accident in which the airbag deploys, the central locking system control module opens any doors which were locked.
- Central locking system control module is located in front of drivers seat, at left, under floor mat.