Escort ZX2 L4-2.0L DOHC VIN 3 (2000)
Fuel Pump Control Unit: Description and Operation
Electronic Engine Controls
The Fuel Pump Driver Module (FPDM) regulates the voltage to the fuel pump to achieve the correct fuel pressure.
The FPDM:
^
receives a duty cycle signal from the PCM.
^
controls the fuel pump operation in relation to the duty cycle signal to compensate for varying loads.
^
sends diagnostic information to the PCM on the fuel pump monitor circuit.
