A4 Sedan V6-2.8L (AFC) (1996)
Fuel Gauge Sender: Testing and Inspection
Checking Fuel Level Sensor
NOTE: Check signal between Fuel level sensor and Fuel Gauge.
Required special tools, testing equipment and auxiliary equipment
-
Fluke 83 Multimeter
-
VW 1594 Adaptor kit
-
Remove connector flange cover under luggage compartment trim.
-
Unlatch and disconnect 4-pin harness connector -1-.
-
Measure resistance at terminals -2- and -3- on cover flange:
Actual fuel level between "Tank full" and "Tank empty"; must cause a resistance value that falls between the two specified values.
If 0 ohms or Infinity ohms is measured
-
There is an open or short circuit in the tank wiring.
NOTE: To check the resistance values for "Tank full" or "Tank empty" remove the Fuel level sensor and swing the sensor float to the top or bottom
stop. See: Service and Repair