Current Draw, Checking

Current Draw, Checking

Special tools, testers and auxiliary items required

• Trim Removal Wedge (3409)

• Hand Held Multi-Meter (V.A.G 1526 E)

• Current Probe (V.A.G 1526B/2)

• Test Instrument Adapter/DSO (5-pin) (VAS 5565)

- Remove the rear seat bench.

Engine codes CBTA and CBUA






- Remove the cover - 1 - from the fuel delivery unit. The arrow - 2 - points in the direction of travel.

Engine code CDVB






- Remove cover - 1 - with the fuel pump control module - 2 - from the fuel delivery unit.

Continuation for All






- Pull on the connector - 1 - without pressing the release to make sure the connection is secure. If the connector was not connected correctly, it could cause a fault.

- Disconnect the connector - 1 -.

- Check the contacts on the connector and on the fuel delivery unit for damage.

- Connect the test instrument adapter/DSO (5-pin) (VAS 5565) between the connectors on the fuel delivery unit and cover.






- Connect the current probe - A - to the red cable on the test instrument adapter/DSO (5-pin) (VAS 5565) labeled "current probe".

- Start the engine and let it run in idle.

- Measure the current draw of fuel pump.

• Specified value: Max. 10 amps.

• The fuel pump starting current may be higher than the specified value briefly when starting the engine.

• If the malfunction in the fuel system only occurs sporadically, the test can also be performed during a road test. A second person is needed to do this.

If the current draw is exceeded:

- Replace the fuel delivery unit. Refer to=> [ Fuel Delivery Unit/Fuel Level Sensor ] Service and Repair.