SEAT Workshop Service and Repair Manuals

Removing and installing engine control unit with locking device t  Removing → Anchor t  Installing → Anchor Special tools and workshop equipment required

t  Electric cutter -SAT 1561- t  Saw 102 -SAT 1561/9- Removing –  Before removing the engine control unit, the engine control unit identification and the engine control unit code must be consulted → Chapter. –  Switch ignition OFF.

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

–  Remove bolts -1-.

–  Remove parting wall for plenum chamber.

–  With the help of the electric knife -SAT 1561- and the saw 102 -SAT 1561/9-, make 2 parallel cuts -arrows- in the headless bolts. –  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 the 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-. –  Now unlock the rear connector from engine control unit and pull it off. Installing Continue the installation in the reverse order of removal sequence, observing the following: –  Attach the rear connector to the engine control unit and lock it.

–  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 old coding and adjust 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 on the plenum chamber → Bodywork - exterior installation work; Rep. gr.50. –  Take vehicle for a test drive.