General Information
Engine
Engine Control - P0261 Cylinder 1-Injector Circuit Low - General Information
Component Location
General Description
Electronically controlled fuel injector is a solenoid valve which supplies exactly calculated amount of fuel to engine for optimum combustion under various engine load and speed. To meet air-fuel ratio required in system, ECM regulates fuel injection quantity as controlling injector solenoid operating duration referring air flow to cylinders and output signals from HO2S. For this precise control, quick response of solenoid is required and for perfect combustion, injection characteristic is important.
DTC Description
If there is Short to ground in injector #1 circuit, PCM sets DTC P0261.
DTC Detecting Condition
Specification
Schematic Diagram
Signal Waveform