Injector Circuit
INJECTOR CIRCUITCircuit Description
The injectors are provided to 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 between terminals #10, #20 and EO1 of engine control module.
Correct Waveform:
Correct Individual Waveform (Magnified):
NOTE: The correct waveform appears as shown in the illustrations above.
Diagnostic Chart
Wiring Diagram
Step 1:
Step 2:
Step 3:
Step 4:
Inspection Procedure