Injector Circuit

FUEL INJECTOR CIRCUIT

CIRCUIT DESCRIPTION
The injectors are mounted to the intake manifold. They inject fuel into the cylinders based on the signals from the engine control module.

INSPECTION USING OSCILLOSCOPE

INJECTOR SIGNAL WAVEFORM



^ With the engine idling measure waveform between terminals #10, #20 and EO1 of engine control module.
The correct waveform is shown.


WIRING DIAGRAM





INSPECTION PROCEDURE