20 15 01 Calibrating fuel level sensor system · Warning! 6. Perform tank calibration with

911 Carrera 4 (996) Fuel supply, control 20 15 01 Calibrating fuel level sensor system Warning! 6. Perform tank calibration with the Porsche Danger of fire and injury! System Tester 2.& > Observe general safety -Select vehicle type (911 Carrera) regulations on the fuel system, -Select control modules > Wear protective gloves. -Select instrumentcluster Note -Select menu item Tank calibration Calibration is necessaryafter replacementof the fuel tank, fuel level sensor or instrumentcluster. -Confirm calibration 1. Disconnectthe battery and cover terminal or The fuel level sensor system has now been battery. Removecap over the fuel level sensor calibrated. system. Note 2. Removefuel level sensor; refer to The fuel level sensor system need not be ServoNo. 2066 19 (Removingfuel pump), calibrated if the battery was disconnectedor a plug connectionon the instrumentcluster or fuel 3. Using a fuel extractor, completely drain the level sensor was removed. The values remain fuel tank through the fuel level sensor stored in the instrumentcluster. opening. Fuel extractor: Refer to the Workshop Equipment Manual,Chapter 3 A range on remainingfuel of less than 15 km is "WorkshopEquipment'. not displayed in the instrumentcluster. 4. Make sure that the two recesses on the left and right-hand sides of the tank are emptied completely. 5. Reinstall the fuel level sensor and, with "ignition off', fill the tank with 28 litres of fuel. The indication in the Porsche System Tester 2 (old or new characteristic) is the decisive indication. 20 1501 Calibrating fuel level sensor system 20 -115 Printed in Germany -39, 2000 99620115