Checking current consumption of fuel pump

WARNING: This page is about a different car, the 2006 Volkswagen Golf, 2005 Volkswagen Jetta, 2005 Volkswagen Golf, 2004 Volkswagen Jetta, and 2004 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect 4-pin connector from fuel delivery unit flange.

Fig 1: Checking Current Consumption Of Fuel Pump

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Set multimeter measuring range to 20 A and connect multimeter in series between contacts - 1 - of connector and fuel pump using adapter cables from V.A.G 1594 A.

NOTE:

The current pick-up clamp from multimeter V.A.G 1715 can also be connected to an adapter cable connected between connector contacts - 1 - and fuel pump.

Connect contacts - 4 - of connector and fuel pump using adapter cables from V.A.G 1594 A.
Start engine and run at idling speed.
Measure current draw at fuel pump: Specification: 3.5...4.5 amps.

If values measured lie outside specifications:

Replace fuel delivery unit. Refer to Fuel delivery unit, removing and installing .