Operation CHARM: Car repair manuals for everyone.

Engine Control Module

ECM Terminal Pin Inspection:




ECM Terminal Pin Inspection:




ECM Terminal Pin Inspection:




ECM Terminal Pin Inspection:




ECM Terminal Pin Inspection:







EXPECTED PIN VOLTAGES

ECM Terminal Pin ID:






ECM TERMINAL ID


NOTE: Testing of circuit voltages can be done at the ECM connector by CAREFULLY backprobing the connector. Use a high-quality digital DVOM.