Fuel Level Sensor, Connector Assignment

2012 Audi A3 (8PA) L4-2.0L Turbo (CCTA)SECTION Fuel Level Sensor, Connector Assignment





Fuel Level Sensor, Connector Assignment

Procedure






The fuel level sensor (G) is located under the right side of the rear seat bench.

- Remove rear seat bench.

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

- Carefully release and disconnect the connector - arrow - on the connector flange.






Terminal assignment of the 5-pin harness connector at fuel level sensor - vehicles through approximately 11.04






1. Transfer fuel pump (G6) switched positive

2. Fuel level sensor ground (sensor ground)

3. Wire connection from fuel level sensor to instrument cluster (fuel gauge)

4. Not used

5. Transfer fuel pump ground


Terminal assignment of the 5-pin harness connector at fuel level sensor - vehicles from approximately 11.04






1. Transfer fuel pump switched positive

2. Fuel level sensor ground (sensor ground)

3. Wire connection from fuel level sensor to instrument cluster (fuel gauge)

4. Tank sensor total resistance

5. Transfer fuel pump ground


FSI/TFSI engines






On vehicles with FSI/TFSI engines, the fuel level signal travels from the fuel level sensor through the fuel pump control module.

The fuel pump control module is located under the rear seat bench on the right side under the cover for the connector flange.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.