Connector Views

This ECM voltage chart is for use with a digital voltmeter to further aid in diagnosis. The voltages you get may vary due to low battery charge or other reasons, but they should be very close.

THE FOLLOWING CONDITIONS MUST BE MET BEFORE TESTING:
- Engine at operating temperature
- Engine idling in "Closed Loop" (for "Engine Run" column)
- Test terminal not grounded 0 Data Link Connector tool not installed