A4 Quattro Cabriolet V6-3.2L (BKH) (2007)
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Disconnect electrical harness connector - arrow - at left locking flange.
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Connect hand multimeter V.A.G 1526 C between terminal - 2 - and - 3 - for resistance measurement.
NOTE:
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If measured value is 0 Ohm there is a short circuit. If measured value is infinity Ohm there is and open circuit in the wiring.
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To check resistance values "tank full" or "tank empty" , the Fuel Level Sensor 2 G169 must be removed and the sensor floater must be placed
in upper or lower end position.
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With Fuel Level Sensor 2 G169 removed, the following values are obtained because of the greater deflection of the floater arm