Fuel level sensors connector assignment

Preparation

• Disconnect 5-pin electrical harness connector at connector flange or fuel tank; procedure →
  • 20 - FUEL SUPPLY SYSTEM for 3.2 LITER V6 4V GENERIC SCAN TOOL, ENGINE CODE(S): BKH
  • 20 - FUEL SUPPLY for 4.2 LITER V8 4V GENERIC SCAN TOOL, ENGINE CODE(S): BVJ
  • 20 FUEL SUPPLY for 4.2 LITER V8 5V GENERIC SCAN TOOL, ENGINE CODE(S): BNK
  • 20 - FUEL SUPPLY for 5.2 LITER 10-CYL. 4V GENERIC SCAN TOOL, ENGINE CODE(S): BXA
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Fig 1: Identifying Engine Control Module (ECM) 5-pin Connector Terminals 1 & 5

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Terminal assignment of the 5-pin harness connector at Fuel Level Sensor -G- G - vehicles with front wheel drive

1. B+ activation of electrical fuel pump
2. Wire connection from Fuel Level Sensor -G- G to instrument cluster (fuel gauge)
3. Ground (GND) for fuel level sensor (sensor ground)
4. Not assigned
5. Ground (GND) for electrical fuel pump

Fig 2: Identifying Engine Control Module (ECM) 5-pin Connector Terminals 1 & 5

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Terminal assignment of the 5-pin harness connector at Fuel Level Sensor -G- G and Fuel Level Sensor 2 G169 - vehicles with all-wheel drive

1. B+ activation of electrical fuel pump
2. Wire connection from Fuel Level Sensor -G- G to instrument cluster (fuel gauge)
3. Ground (GND) for fuel level sensor (sensor ground)
4. Wire connection from Fuel Level Sensor 2 G169 to instrument cluster (fuel gauge)
5. Ground (GND) for electrical fuel pump