Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI2012A3 (8PA) L4-2.0L TURBO (CCTA)REPAIR AND DIAGNOSISDIAGRAMSCONNECTOR VIEWSFUEL GAUGE SENDERFUEL LEVEL SENSOR, CONNECTOR ASSIGNMENT
2012 Audi A3 (8PA) L4-2.0L Turbo (CCTA)
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.
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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.