SEAT Workshop Service and Repair Manuals > Leon Mk1 > Power unit | Motronic Injection and Ignition System | Mixture preparation system, electronic inj.,Gas

Engine control unit: adapting to electronic immobiliser

Special tools and workshop equipment required

t	Fault reader -V.A.G 1551- or vehicle system tester -V.A.G 1552- with cable -V.A.G 1551/3B-

Test conditions

l	Authorised vehicle key required.

Work sequence

–	Remove left-hand shelf.

–	Connect fault reader -V.A.G 1551- or vehicle system tester -V.A.G 1552- using cable -V.A.G 1551/3B-.

–	Switch ignition on.

–	Operate fault reader or vehicle system tester taking into account the information on the display:

–	Press key 1 for “Rapid data transfer”.

–	Press keys 2 and 5 to access address code “Immobiliser” and confirm entry with the Q key.

–	After receiving the response from the immobiliser control unit, press the → key.

Indicated on the display:

–	Press keys 1 and 0 for function “Adaptation” and confirm entry with the Q key.

Rapid data transfer                 HELP

Select function XX

Indicated on the display:

–	Press key 0 twice for “Channel number 0” and confirm entry with the Q key.

Adaptation

Enter channel number XX

Indicated on the display:

–	Confirm entry with the Q key.

Adaptation                             Q

Erase adaptive values?

Indicated on the display:

–	Conclude adaptation by pressing key →.

–	Press keys 0 and 6 for the “End output” function and confirm input with the Q key.

–	Switch ignition off.

Note!

When the ignition is switched on again, the identification of the engine control unit is read into the immobiliser control unit.

Adaptation                            ->

Adaptive values have been erased

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