Volkswagen Workshop Service and Repair Manuals > Golf Mk6 > Power unit | 4-cylinder diesel engine (2.0 l engine, common rail, generation II) | Fuel preparation system Diesel injection | Engine control unit | Removing and installing engine control unit | Removing and installing engine control unitJ623, Golf, Scirocco

Removing and installing engine control unitJ623, Golf, Scirocco

Removing and installing engine control unit -J623-, Golf, Scirocco

If the engine control unit is to be replaced, connect the → Vehicle diagnostic tester and carry out the guided function „Renewing control unit“.

Removing

–	Switch off ignition.

–	Remove windscreen wiper arms → Electrical system; Rep. gr.92.

–	Remove plenum chamber bulkhead → General body repairs, exterior; Rep. gr.50.

–	Push retaining frame in -direction of arrow- and remove engine control unit.

–	Push locking devices of connectors in -direction of arrow- and pull off connectors.

Installing

–	Fit connectors to engine control unit and slide locking devices onto stop in -direction of arrow-.

–	Place engine control unit into retaining frame and push upwards in direction of -arrow-.

–	Install plenum chamber bulkhead → General body repairs, exterior; Rep. gr.50.

–	Fit windscreen wiper arms → Electrical system; Rep. gr.92.

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