Removing and Installing Control Unit For Front-End Electronics

Removing And Installing Control Unit For Front-end Electronics

Preliminary work
1. Disconnect the battery.
2. Remove trim panel under dashboard at driver's side.
3. If the PDK control unit is installed, remove PDK control unit.

Removing control unit for front-end electronics







1. Unclip control unit for front-end electronics from the bracket.
1.1. Release the securing lugs with a screwdriver -arrow A-.
1.2. Pull control unit for front-end electronics and intermediate support -1- out of the bracket -2- in direction of travel.
1.3. Swivel control unit for front-end electronics and intermediate support out sideways in a downward direction.







2. Disconnect electric plug connections.
2.1. Release and pull off electric plug connection -arrow a-.
2.2. Release securing clip -1- ( -arrow a- ).
2.3. Swivel securing clip down and pull off electric plug connection.







3. Unclip control unit for front-end electronics from the intermediate support.
3.1. Release locking lugs on intermediate support -2- ( -arrow A- ).
3.2. Take control unit for front-end electronics -1- out of the intermediate support -2- ( -arrow B- ).







Installing control unit for front-end electronics
1. Clip control unit for front-end electronics into the intermediate support.
1.1. Guide control unit for front-end electronics -1- into the intermediate support -arrow A-.
1.2. Clip control unit for front-end electronics into the locking lugs -2- on the intermediate support -arrow B- until the lugs engage securely.







2. Connect electric plug connections.
2.1. Plug in electric plug connection with the securing clip.
2.2. Bend up the securing clip -1- ( -arrow A- ) until the locking mechanism engages securely.
2.3. Plug in electric plug connection without the securing clip until the locking mechanism engages securely.







3. Clip control unit for front-end electronics into the bracket.
3.1. Swivel control unit for front-end electronics and intermediate support -3- up as far as the bracket -4-.
3.2. Position guides -1- for intermediate support on the bracket -4- ( -arrow A- ).
3.3. Pull control unit for front-end electronics and intermediate support in the opposite direction to the direction of travel until the locking lugs -2- lock with an audible click.







Subsequent work
1. If the PDK control unit is to be installed, install the PDK control unit.
2. Install trim panel under dashboard at the driver's side.
3. Connect the battery.