Fuel Level Sensor: Description and Operation

Fuel Level Sensor, (46/46LH), ME9

Location
Fuel level sensor (46)
Fuel level sensor, (46LH)

Main task
Informs ECM on how much fuel is in the tank. ECM then sends this information on the bus.

Type
Level sensor with variable resistance, whose value corresponds to the level at which the sensor float lies in the tank. Feed via pull-up in ECM.







Connection







Diagram, front-wheel drive







Diagram, all-wheel drive: