Fuel level sensor (46), E39
|
|
Fuel level sensor (46), E39
|
Fuel level sensor (46), E39
Informs the ECM control module, E39 (590) on how much fuel is in the tank. ECM then sends this information on the bus.
Consists of a float, a float arm and a potentiometer type level sensor with variable resistance, whose value corresponds to the level at which the sensor float lies in the tank. Supply voltage via pull-up in ECM.
46 pin no.
|
Signal type
|
Description
|
|
3
|
Ground
|
Connected to ECM, control module, E39 (590), pin 26(A).
|
|
2
|
Signal
|
Connected to ECM, control module, E39 (590), pin 25(A).
|
Diagram
On AWD models, the ECM uses the signal circuits on the primary and the secondary tank sensor to calculate how much fuel remains in the tank as a percentage.
