Fuel Level Sensor, Connector Assignment

WARNING: This page is about a different car, the 2012 Audi A4, 2011 Audi A4, 2010 Audi A4, and 2009 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

-- Disconnect the 5 pin electrical connector from the flange of the fuel tank. Refer to Diagnosis and Testing .

Terminal Assignment of the 5 Pin Connector for the fuel level sensor -G-

Fig 1: Connecting Multimeter Between Terminal Of Harness Connector For Voltage Measurement

Courtesy of AUDI OF AMERICA, LLC

Transfer Fuel Pump (FP) -G6- switched positive
Wire connection from the fuel level sensor to the instrument cluster (sensor mass) - pin 5
Wire connection from the fuel level sensor to the instrument cluster (fuel gauge) - pin 7
Wire connection from the fuel level sensor to the instrument cluster (fuel gauge) - pin 6
Transfer FP ground

NOTE:

On vehicles with Fuel Straight Injection (FSI) and Turbo Fuel Straight Injection (TFSI) engines, pins -2, 3 and 4- are looped through the FP control module -J538-.