Maintenance Manual for J2 Sedan
Electronic Control System
of Engine
194
Be aware of following items to install with steps contrary to dismantlement.
■
Be aware of routing of oxygen sensor wire harness.
■
Tightening torque: 30-40N·m
■
After replacement of oxygen sensor, oxygen sensor should be coated with a layer of anti-rust oil to
prevent rust which impede removal.
VII. Fuel Injector (INJ)
1. Instruction of Parts
Fuel coming from the fuel pump is stored and distributed via the fuel rail components and provides the
fuel system with a more stable pressure environment in which the fuel supply pressure and quantity of
each cylinder will be balanced while the engine is running smoothly. Injector injects fuel as per the
signal from the ECM signal and defines fuel injection volume depending on opening time of injector
solenoid valve.
2. Installation Position
It is installed on the fuel guide rail.
3. Wiring Diagram
Fi
g. 4.3.018
