CPC F02D 41/20 (2013.01) [F02D 41/22 (2013.01); F02D 2041/201 (2013.01); F02D 2041/2003 (2013.01); F02D 2041/2006 (2013.01); F02D 2041/2013 (2013.01); F02D 2041/2051 (2013.01); F02D 2041/2055 (2013.01); F02D 2041/224 (2013.01)] | 14 Claims |
1. A fuel injection control device comprising:
a first voltage supply unit that supplies a first voltage;
a second voltage supply unit that supplies a second voltage higher than the first voltage;
a fuel injection control unit that controls the second voltage supply unit to supply the second voltage to a coil so as to open a fuel injection valve having the coil, and controls the first voltage supply unit to supply the first voltage to the coil so as to hold a valve-open state of the fuel injection valve;
a voltage measurement unit that measures and outputs voltage information based on an upstream voltage of the coil of the fuel injection valve and a downstream voltage of the coil;
a correction unit that corrects a fuel injection amount of the fuel injection valve based on the voltage information output from the voltage measurement unit; and
an abnormality detection unit that detects whether an output of the voltage measurement unit is abnormal based on the voltage information output from the voltage measurement unit.
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