Fuel Pump Flow Control Module Scan Tool Information |
Parameter | System State | Expected Value | Description |
Operating Conditions: Ignition ON/Engine Idling at Normal Operating Temperature / Vehicle is in Park or Neutral |
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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. |