INTERNAL COMBUSTION ENGINE FUEL INJECTION CONTROL SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide an internal combustion engine fuel injection control system capable of easily detecting that a throttle valve is in a fully closed state without the need of complicated control that causes a sharp increase in production cost.SOLUTION: A short circuit 23 is provided between a power supply voltage input section 31 and a signal output section 32 of an intake air pressure sensor 18 so as to be able to short-circuit the input section 31 and the signal output section 32. A throttle switch 24 for short-circuiting the input section 31 and the signal output section 32 when a throttle valve 13 is in a fully closed state is provided on the short circuit 23.