Skoda Workshop Service and Repair Manuals > Octavia Mk2 > Vehicle electrics | Electrical System | Wiring | Control units | Vehicle voltage control unitJ519 | Removing and installing the vehicle voltage control unitJ519

Removing and installing the vehicle voltage control unitJ519

Removing and installing the vehicle voltage control unit -J519-

Removing

–	Disconnect battery earth strap → Chapter.

–	Remove lower part of the dash panel insert on the driver's side → Body Work; Rep. gr.70.

Vehicles up to MY 08

–	Release catch pegs -arrows- and remove the control unit -1- from the bracket -2- downwards.

Note

All plug connections are separated for purposes of clear presentation.

–	Unlock the central locking system and then disconnect all the plugs.

Vehicles as of MY 09

–	Unclip the relay carrier under the vehicle voltage control unit and unhook towards the bottom → Chapter.

–	For unplugging the plugs, successively press together the catches on the plug connections -1- and remove the plugs on the control unit by swiveling out the clamp -arrow-.

–	Unhook the pulled-out connector -2- towards the bottom.

–	Press together the catches -arrows A-, slightly swivel out the control unit -arrow B- and push out of the bearing in the bracket -arrow C-.

Install

Installation is performed in the reverse order, pay attention to the following points:

Note

t	If the vehicle voltage control unit -J519- is replaced, the new control unit must be coded → Chapter.

t	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.

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