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Toothed Belt Drive, Performing a Fuel Pump Adaptation after Replacing Fuel Delivery Unit







Toothed Belt Drive, Performing a Fuel Pump Adaptation after Replacing Fuel Delivery Unit

On vehicles with the TFSI engine with toothed belt drive, the Engine Control Module (ECM) must be adapted after replacing the fuel delivery unit.

This is not necessary on vehicle equipped with a TFSI engine with timing chain drive.

Special tools, testers and auxiliary items required

Vehicle Diagnostic, Testing, and Information System (VAS 5051B)

Procedure

No faults in Diagnostic Trouble Code (DTC) memory.

- Connect the (VAS 5051B) to the Data Link Connector (DLC) - arrow - and start the engine.






- Select the following menu entries:

"OBD"

"01- Engine electronics"

"Basic setting display group 103"

"Activate"

- Check reading in display field "4".

Scan tool display: "ADP in progress". After the fuel pump adaptation is completed, the display shows "ADP OK".

If "ADP not OK" is displayed: Check the DTC memory.

- End the "OBD".

- Turn the ignition off and disconnect the DLC.