Volkswagen Workshop Service and Repair Manuals > Golf Mk4 > Power unit | Direct injection and preglow system with distributor-type pump to 04.99 | Fuel preparation system Diesel injection | Renewing, coding and matching engine control unit | Adapting engine control unit to electronic immobilizer

Adapting engine control unit to electronic immobilizer

Special tools and workshop equipment required

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

Test prerequisite

l	Authorized vehicle key required.

Procedure

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

–	Switch on ignition.

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

–	Press button 1 for “rapid data transfer”.

–	Press buttons 1 and 7 for address word “dash panel insert” and confirm entry with Q button.

Indicated on display:

–	Press → button.

1J0 919 086 D A4 Combi-instr. VDO V04

Coding 00141                   WSC XXXXX

Indicated on display:

–	Press → button.

IMMO-IDENTNO: VWZ7Z0V0071094          ->

Indicated on display:

–	Press buttons 1 and 0 for the function “Adaptation” and confirm input with the Q button.

Rapid data transfer                 HELP

Select function XX

Indicated on display:

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

Adaption

Feed in channel number XX

Indicated on display:

–	Confirm entry with Q key.

Adaption                               Q

Erase learnt values?

Indicated on display:

–	Finish adaption by pressing → button.

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

–	Switch off ignition.

Note

The identity of the engine control unit is read into the immobilizer control unit when next switching the ignition on.

Adaption                              ->

Learnt values have been cleared

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