Function

The interior central locking is locked, when:
- The control input for the interior central locking is earthed, and remains in this condition independent of the central locking.
- The control input for the driver's door or passenger door is earthed, and at the same time the control input of the comfort/ATA (anti-theft warning device) is earthed briefly.
- The control input for the trunk lid is earthed.
- The control input for the infrared remote control is earthed.

The interior central locking is unlocked, when:
- The control input for the interior central locking receives a positive input.
- The control input for the driver's door or passenger door receives a positive input, and at the same time the control input for the comfort/ATA is earthed briefly.
- The control input for the trunk lid receives a positive input.
- The control input for the remote control receives a positive input.

The interior central locking is connected to the central locking by a 3/2-way control valve in the supply pump. The interior central locking will only function if the control input to the interior central locking is activated.

If the interior central locking is indirectly controlled by the central locking, then the central locking is always operated first.

If the central locking does not reach the pressure switching point within 5 seconds. then the interior central locking is first operated up to the pressure switch point (maximum 5 s). After this the central locking is operated again upon reaching the pressure switch point or in the event of severe leakage up to the expiration of the safety switching period (25 - 30 s). If the interior central locking has not reached the pressure switching point within 5 seconds, this is operated again similar to the central locking.