The onboard supply control unit -J519- communicates with other control units via CAN data buses, its own LIN bus and the GATEWAY interface. It controls the comfort functions of the vehicle. When replacing the onboard supply control unit -J519-, the new control unit must be coded.
The onboard supply control unit -J519- is equipped with a self-diagnosis which facilitates troubleshooting. To search for a fault, use the "Guided Fault Finding" function in the Tester.
1. Parking aid control unit -J446- or Parking aid and parking aid control unit -J791-: Equipment versions with parking aid or with parking aid and parking aid
2. Bracket for control unit pos. 1
3. Bracket for onboard supply control unit -J519-
4. Onboard supply control unit -J519-
5. Guide for connecting the central electrical connector