SEAT Workshop Service and Repair Manuals

Engine control unit with locking device: Removing and installing t  Removing → Anchor t  Fitting → Anchor Check the tool and equipment equivalence table according to the applicability between Seat / VW / Audi / Skoda → Chapter Special tools and workshop equipment required

t  Electric knife -VAG 1561A-, see equivalent → Anchor t  Knife -SAT 1561/14- Removing –  Switch off ignition.

–  Pull off rubber seal -2- on plenum chamber cover.

–  Unscrew bolts -1- on the intercooler.

–  Remove parting wall for plenum chamber.

–  Saw the heads of the shear bolts in such a way that two parallel surfaces result -arrows-. –  Remove the bolts using pressure pliers or similar tool.

–  Insert a screwdriver-A- between the control unit bracket and the locking device -arrow-. –  Turn the locking device outwards using the screwdriver -A-, and remove by pushing in the direction of the -arrow-.

–  Unlock front connector -1- from engine control unit and pull it off. –  Carefully prise off the retaining plate safety clip -2- and next remove the engine control unit, pushing in the direction of the -arrow-. –  Unlock rear connector from engine control unit and pull it off. Installing Fit in reverse order from removal, remembering the following: –  Connect the rear connector to the engine control unit and lock.

–  Place the retaining plate safety catch -2- in its original position and next slide the engine control unit in the opposite direction to that shown by the -arrow- on the retaining plate, until it is correctly fitted. –  Connect the front connector to the engine control unit and lock. –  Check the previous coding and the coding of the new control unit → Chapter.

–  Place the locking device -2- on the control unit bracket. –  Tighten the headless bolts -1- until the bolts break. –  Fit the front panel of the plenum chamber → Bodywork - installation work; Rep. Gr.50. –  Take vehicle for a test drive.