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System Diagram

ECM Inspection Table:




Electrical Components Inspection:




Electrical Components Inspection:




Electrical Components Inspection:





EXPECTED PIN VOLTAGES

ECM Harness Connector Terminal Layout:





ENGINE CONTROL MODULE (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 Volt Ohm Meter (DVOM).