Current Draw, Checking

WARNING: This page is about a different car, the 2009 Volkswagen Rabbit, 2008 Volkswagen Rabbit, 2007 Volkswagen Rabbit, and 2006 Volkswagen Rabbit. However, it is still accessible from the selected car via links, so may be relevant.

-- Remove the rear seat bench. Refer to "Rear Seats" in Removal and Installation .

Fig 1: Identifying Cover From Fuel Delivery Unit

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the fuel delivery unit cover.

-- First, pull on the connector -arrow- without pressing the retainer to make sure it connected securely. If the connector was not connected correctly, it could cause a fault.

Fig 2: Identifying Fuel Pump Control Module Connector

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Disconnect the connector -arrow-.

-- Check the contacts on the connector and 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.

Fig 3: Connecting Current Clamp To Red Wire On Test Instrument Adapter/DSO (5-Pin) VAS 5565

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Connect the current clamp -A- to the red wire of the test instrument adapter/DSO (5-pin) VAS 5565 with the words "current clamp" on it.

-- Start the engine and run at idle speed.

-- Measure the current draw of the fuel pump.

Specified value: Max. 9 amps.

NOTE:

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, the fuel pump is faulty. Refer to FUEL DELIVERY UNIT/FUEL LEVEL SENSOR .