skoda Workshop Repair Guides

Skoda Workshop Service and Repair Manuals

ABOUT US
Removing and installing the vehicle voltage control unitJ519 > < Control units

Octavia Mk2

Vehicle voltage control unitJ519
Vehicle voltage control unit -J519-
General description
The vehicle voltage control unit -J519- communicates with other control units via the data buses CAN bus, its own data buses LIN bus and data interface GATEWAY.
As of MY 2009 (Facelift), this control unit also regulates the convenience functions of the vehicle (up to MY 2008, the convenience functions were regulated via the Convenience system central control unit -J393-, which is no longer fitted as of MY 2009).
If the vehicle voltage control unit -J519- is replaced, the new control unit must be coded → Chapter.
After the replacement (depending on equipment) the functions of the control unit such as „remote control for central locking“, „anti-theft warning system“, etc. must be adapted see → Chapter.
Other information:
l  → No.54
l  → No.66 (as of MY 2009, the vehicle voltage control unit is similar as for Superb ll)
l  → Vehicle diagnostic tester
l  → Current flow diagrams, Electrical fault finding and Fitting locations
Fault recognition and fault display
The vehicle voltage control unit -J519- is equipped with self-diagnosis, which facilitates the fault finding.
For fault finding use the → Vehicle diagnostic tester in the function „Targeted fault finding“.
   

Removing and installing the vehicle voltage control unitJ519 > < Control units