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Fuel Level Sensor 2 (G169), Checking







Fuel Level Sensor 2 (G169), Checking

Special tools, testers and auxiliary items required

Multimeter (V.A.G 1526D)

Connector Test Set (V.A.G 1594C)

Procedure

TT Coupe:

- Remove rear seat bench.

TT Roadster:

- Remove the left side rear panel trim panel.

All Vehicles:

- Unclip the retainers - arrows - of the cover for left sealing flange.






- Disconnect electrical harness connector - 1 - at locking flange.






Ignore - 2 -.

- Connect multimeter between terminals - 1 and 2 - to measure resistance.






Fuel level sensor 2 installed:

Sensor at lower stop: Approximately 270 ohms.

Sensor at upper stop: Approximately 70 ohms.

To check resistance values "tank full" or "tank empty", the fuel level sensor 2 must be removed and the sensor floater must be placed in upper or lower end position. Refer to => [ Fuel Level Sensor 2 (G169) ] Fuel Level Sensor 2 (G169).

If measured value is 0 ohms there is a short circuit. If measured value is there, there is an open circuit in the wiring.

With fuel level sensor 2 removed, the following values are obtained because of the greater deflection of the floater arm:

Fuel level sensor 2 removed:

Sensor at lower stop: Approximately 286 ohms.

Sensor at upper stop: Approximately 50 ohms.

- Connect multimeter between terminals - 2 and 3 - to measure resistance.

Fuel level sensor 2 installed or removed:

Any sensor position: Approximately 340 ohms.

Assemble in reverse order of disassembling. Note the following:

TT Coupe:

- Install rear seat bench.

TT Roadster:

- Install the left side rear panel trim panel.