Operation CHARM: Car repair manuals for everyone.

Replacing Control Unit (Valvetronic)


Replacing control unit (Valvetronic)

Switch off ignition.

Follow instructions for disconnecting and connecting battery.

Disconnect battery.

Caution: Follow instructions for removing and installing electronic control units.

Observe following instructions before replacing control unit:

Program control unit.





Remove right fresh air duct.

Release screw and remove holder (1).

Release screws and remove cover (2) from control unit box.

Note: Release screws on seal (3) only when removing wiring harness.





Installation:
Insert tabs (1) in openings (2) and close cover.





Unlock and detach plug connections on Valvetronic control unit (1 ).

Remove Valvetronic control unit (1).

Note: Interrogate fault memory of DME control unit.
Check stored fault messages.
Rectify faults.
Then clear fault memory.