System Description
SYSTEM DIAGRAM
| Component parts | Function |
|---|---|
| Crankshaft position sensor 1 | Crankshaft Position Sensor 1 |
| Exhaust camshaft position sensor | Exhaust Camshaft Position Sensor |
| Engine coolant temperature sensor | Engine Coolant Temperature Sensor |
| Mass air flow sensor (With intake air temperature sensor) | Mass Air Flow Sensor (With Intake Air Temperature Sensor) |
| Battery | ECM receives the battery voltage signal. |
| ECM | ECM (With Barometric Pressure Sensor) |
| FPCM | Fuel Pump Control Module |
| Low pressure fuel pump | Low Pressure Fuel Pump |
SYSTEM DESCRIPTION
The fuel pump control module (FPCM) controls the discharging volume of the fuel pump by the FPCM control signals (Low/Mid/High) depending on driving conditions.
| Conditions | Amount of fuel flow | Supplied voltage (Approx.) |
|---|---|---|
| For 1 second after turning ignition switch ON | Low/Mid | 12.9 V |
|
High | 10.7 - 12.9 V |
| Except the above | Low/Mid | 8.1 - 12.9 V |