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Injector Driver Module: Description and Operation

FUEL INJECTION CONTROL MODULE (FICM)


Fuel Injection Control Module (FICM):






The FICM receives information from the PCM, including the volume of fuel desired, RPM, engine oil temperature, injection control pressure, and others. The FICM then uses those signals to calculate fuel injection and duration. After calculating injector fuel delivery time, the FICM sends 48 volts at a 20-amp pulse to the correct injector so that the correct amount of fuel is delivered to the cylinder at the correct time.
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