| Identifying the door contact states |
| The states of the driver door contact switch -F2-, the front left central locking actuator -F131- and the driver door central locking actuator for deadlock function -F243- are scanned by the driver door control unit -J386- and transmitted over the CAN bus to the convenience system central control unit -J393-. |
| The states of the front passenger door contact switch -F3-, the front right central locking actuator -F133- and the front passenger door central locking actuator for deadlock function -F244- are scanned by the front passenger door control unit -J387- and likewise transmitted over the CAN bus to the convenience system central control unit -J393-. |
| The states of the rear left door contact switch -F10-, the rear left central locking actuator -F132- and the rear left door central locking actuator for deadlock function -F245- are scanned by the rear left door control unit -J388-. The states are initially transmitted via LIN bus to the driver door control unit -J386-, which can then relay the states over the CAN bus to the convenience system central control unit -J393-. |
| The states of the rear right door contact switch -F11-, the rear right central locking actuator -F134- and the rear right door central locking actuator for deadlock function -F246- are scanned by the rear right door control unit -J389-. The states are initially transmitted via LIN bus to the front passenger door control unit -J387-, which can then relay the states over the CAN bus to the convenience system central control unit -J393-. |
| The convenience system central control unit -J393- evaluates all door contact information and places the information on the status of the doors and the central locking system on the CAN bus. |
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