California Vehicles

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

INSPECTION USING OSCILLOSCOPE



- With the engine idling measure waveform between terminals #1, #2, #3 and #4 and EO1 of engine control module.
- The correct waveform is as shown.


WIRING DIAGRAM

California Specification Vehicles:

INSPECTION PROCEDURE