Volkswagen Workshop Service and Repair Manuals > Golf Mk5 > Power unit | 4-cylinder diesel engine (2.0 l engine, 2-valve, SDI) | Fuel preparation system Diesel injection | Engine control unit

Adapting functions and components

Special tools and workshop equipment required

t	Vehicle diagnosis, testing and information system -VAS 5051-

t	Diagnosis cable -VAS 5051/6A-

Procedure

–	Connect vehicle diagnosis, testing and information system -VAS 5051- as follows:

–	Connect diagnosis cable -VAS 5051/6A- as shown to diagnosis connection.

Select “guided fault finding” in vehicle diagnosis, testing and information system -VAS 5051-.

After all control units have been read:

–	Press key “Go to”.

–	Select “Function/component selection”.

–	Select “Drive train”.

–	Select “Engine code”.

–	Select “01-Systems capable of self-diagnosis”.

–	Select “Engine management”.

–	Select “Functions”.

–	Select “Function or component”.

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