Electric Fuel Pump, Checking, A5 Through MY 2011, A4 Through MY 2012

Electric Fuel Pump, Checking, A5 through MY 2011, A4 through MY 2012

Special tools, testers and auxiliary items required

• Remote Control (V.A.G 1348/3A) with Adapter Cable (V.A.G 1348/3-2)

• Multimeter (V.A.G 1526D)

• Connector Test Set (V.A.G 1594C)

Procedure






- Follow all test requirements. Refer to => [ Test Conditions ] Initial Inspection and Diagnostic Overview.

- Remove the rear bench seat.

- Remove the locking flange cover - arrows -.

- Disconnect the connector - 1 - on the locking flange.






• Ignore - 2 -.

- Connect the (V.A.G 1348/3A) using the (V.A.G 1348/3-3) and cable from the (V.A.G 1594C) to the terminal - 1 -.






- Tape (V.A.G 1348/3-3) with insulating tape - arrow - to prevent a short circuit.

- Connect the connector terminal - 5 - to the chassis Ground (GND) with an adapter cable from the (V.A.G 1594C).

- Route (V.A.G 1348/3A) toward front in engine compartment.

- Remove the center plenum chamber cover.






- Release the retainer - arrow A - and open the cover - arrow B -.






- Connect the alligator clip to the battery jump start terminal (U6) - A - in the terminal 30 wire junction 2 (TV22) in the plenum chamber.






- Press the button of the remote control.

• Running noise of pump must be audible.

• Because the fuel pump runs quietly, avoid ambient noise during the test.

- When the operating noise is no longer audible, remove the fuel delivery unit. Refer to => [ Fuel Delivery ] Fuel Delivery.






- Check the electrical wires between the locking flange and the fuel pump to make sure they are connected and routed correctly.

- If no fault is detected in the electrical wires, replace the fuel delivery unit.

- Install the fuel delivery unit => [ Installing ] Fuel Delivery while following the information on connecting the battery.