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Home >> Volkswagen >> 2006 >> GTI 1.8 E, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 27 (2.0L - Fuel Supply - Engine Code(S): BPY (As Of 05.2006)) >> 20 Fuel Supply >> Fuel Supply Servicing >> Fuel Pump, Checking

Fuel Pump, Checking

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required 

Test requirements 

Checking voltage supply 

-- Remove the rear seat bench. Refer to Rear Seats .

-- Disconnect the Fuel Pump (FP) Control Module -J538- electrical harness connector -arrow-.

Fig 1: Identifying Fuel Pump (FP) Control Module J538 Connector
GWWN20-0616Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Using a Multimeter, check the Fuel Pump (FP) Control Module -J538- electrical harness connector terminals 1 to 6 for voltage.

Fig 2: Identifying Fuel Pump (FP) Control Module J538 Electrical Harness Connector Terminals 1 And 6
GWWN20-0617Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Specified value: battery (+).

If the specified value was not obtained:

-- Check the wiring for a short circuit to Battery positive (+) or an open circuit.

-- Check the electrical harness connector for damage, corrosion, loose or broken terminals.

-- If necessary, repair the electrical circuit.

If the specified value was obtained:

-- Remove the cover -1- with the Fuel Pump (FP) Control Module -J538- -2- attached, from the fuel pump.

Fig 3: Identifying Cover With Fuel Pump Control Module J538
GWWN20-0603Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Disconnect the fuel pump electrical harness connector from the fuel pump.

-- Connect a Hand held remote control (jumper) to terminal -1- of the fuel pump electrical harness connector and to the vehicle battery (+).

-- Connect a jumper cable from a Electrical connector test lead set to terminal -5- of the fuel delivery unit and to vehicle Ground (GND).

Fig 4: Identifying Jumper Cable From Electrical Test Lead Set Connected To Fuel Delivery Unit Terminal And Vehicle Ground
GWWA20-1120Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Press switch on the Hand held remote control (jumper).

NOTE:

The Fuel Pump (FP) runs quietly. Avoid surrounding noises while testing the fuel pump.

-- Listen for an operating noise from the fuel pump.

If no operating noise is heard:

-- Remove the fuel delivery unit. Refer to FUEL DELIVERY UNIT .

-- Using a Multimeter, check the electrical circuit between terminals -1- and -5- of the fuel delivery unit and the fuel pump for continuity.

Fig 5: Identifying Electrical Resistance Circuit Between Terminals Of Fuel Delivery Unit
GWWA20-0477Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Specified value: 0 ohms.

If a malfunction is detected in the electrical circuit:

-- Check the wiring for a short circuit to Battery positive (+) or an open circuit.

-- Check the electrical harness connector for damage, corrosion, loose or broken terminals.

-- If necessary, repair the electrical circuit.

-- Assembly is performed in the reverse of the removal.

Final procedures 

After the repair work, the following work steps must be performed in the following sequence:

  1. Check the DTC memory. Refer to DIAGNOSTIC MODE 03 - READ DTC MEMORY .
  2. If necessary, erase the DTC memory. Refer to DIAGNOSTIC MODE 04 - ERASE DTC MEMORY .
  3. If the DTC memory was erased, generate readiness code. Refer to READINESS CODE .
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