3. Check Overall Function
Without CONSULT-II
- Let engine idle.
- Read the voltage signal between ECM terminals 18, 19, 20, 21, 29, 30, 31, 32 and ground with an oscilloscope.
- Verify that the oscilloscope screen shows the signal wave as shown below.NOTE: The pulse cycle changes depending on RPM at idle.
OK or NG
OK: INSPECTION END
NG: GO TO 11.