Fuel Pump Flow Control Module Scan Tool Information

Fuel Pump Flow Control Module Scan Tool Data Parameters

Parameter	System State	Expected Value	Description
Operating Conditions: Ignition ON/Engine Idling at Normal Operating Temperature / Vehicle is in Park or Neutral
Desired Fuel Rail Pressure	-	306.8 kPa (44.5 psi)	This displays kPa (psi). This is the desired fuel rail pressure.
Fuel Pump Command	-	On	The scan tool displays On or Off. This is the current state of the fuel pump command.
Fuel Pump Signal Command	-	Varies	This displays %. This is the commanded fuel pump signal measured in percentage.
Fuel Rail Pressure Sensor	-	296.4-310.3 kPa (43-45 psi)	This displays kPa (psi). This is the current pressure at the fuel rail pressure sensor.
Fuel Rail Pressure Sensor	-	4.90-5.01 Volts	This displays Volts. This is the fuel rail pressure sensor voltage.
Ignition 1 Signal	-	Varies	This displays Volts. This is the current ignition 1 signal.
LT Fuel Pump Trim	-	Varies	This displays a numeric value. This is the long term (LT) fuel pump trim.
ST Fuel Pump Trim	-	Varies	This displays a numeric value. This is the short term (ST) fuel pump trim.

Output Control	Description
Fuel Pressure Control	This output control is used to control the fuel pressure.
The fuel pump	This output control is used to command the fuel pump ON and OFF.
Fuel Pump Trim Reset	This output control is used to reset the fuel pump trim.