FixVault

Fuel Level Sensor -G-, Connector Assignment

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

The Fuel Level Sensor is located under the right side of the rear seat bench.

Fig 1: Identifying Cover From Fuel Delivery Unit
GWWA20-1206Courtesy of AUDI OF AMERICA, LLC

Procedure 

-- Remove rear seat bench. Refer to Removal and Installation .

-- Unclip right locking flange cover retaining tabs -arrows-.

-- Disconnect electrical connector -arrow- on locking flange.

Fig 2: Identifying Fuel Delivery Unit Connector
GWWA20-1067Courtesy of AUDI OF AMERICA, LLC

Terminal assignment of the 5-pin harness connector at Fuel Level Sensor -G-

Fig 3: Connecting Multimeter Between Terminal Of Harness Connector For Voltage Measurement
GWWA28-0020Courtesy of AUDI OF AMERICA, LLC
  1. Transfer Fuel Pump (FP) -G6- switched positive
  2. Fuel Level Sensor -G- ground (sensor ground)
  3. Wire connection from Fuel Level Sensor -G- -G- to instrument cluster (fuel gauge)
  4. Tank sensor total resistance
  5. Transfer Fuel Pump (FP) -G6- ground
NOTE:

On vehicles with 2.0L TFSI engine, pins -2, 3, 4- are looped through Fuel Pump (FP) Control Module -J538-.