Seat Leon >> Removing and installing electronics box (E-box)

Removing

  • With the ignition switched off, disconnect battery earth cable.
  • Remove air filter housing.

Diesel engine

  • Remove the engine control unit and lay to the side with connected plugs .

Petrol engine

  • Remove the engine control unit and lay to the side with connected plugs .

Continued for all vehicles

  • Press release tabs -arrow- and detach cover -1- for electronics box (engine compartment).

Wiring

  • Release retaining tab -2- with a screwdriver and pull off cover (front) -1- upwards -arrow-.

Wiring

  • Cut through cable tie (bottom) on wiring harness.
  • Unlatch catch mechanisms -1, 2 and 4- in -the direction of the arrow- , remove fuse holder B -3- and place to the side.

Wiring

  • Unscrew nuts -arrows- and detach bracket for engine control unit -1-.
  • Release retaining tab -3- and disengage electronics box (engine compartment) -2- from studs.
  • Lift out electronics box (engine compartment).

Installing

Installation is carried out in the reverse sequence; note the following:

  • Connect battery.

Wiring

    Overview of fitting locations - relay carriers, fuse carriers, electronics boxes
    Installation site overview - fuse box, E-boxes in the engine compartment - Cover (front) For electronics box (engine compartment) - Nut 9 Nm - Nut 9 Nm - Line ...

    Removing and installing relay and fuse holder in E-box
    Removing With the ignition switched off, disconnect battery earth cable. Remove air filter housing . Press release tabs -arrow- and detach cover -1- for electronics box (engine compartment). ...

    See also:

    Convenience closing*
    Using the door lock – Hold the key in the door lock of the driver's door in the locking position until the sliding/tilting sunroof is closed. – Release the key to interrupt this function. Usin ...