Engine Control Module Power Source Circuit: Matrix

For engine control module power source circuit inspection, see Fig 1-Fig 7 . Before replacing ECM, check ECM connectors and ground circuits. See ENGINE CONTROL MODULE POWER & GROUND CIRCUITS .

Fig 1: Engine Control Module Power Source Circuit Description & Diagram (Matrix)

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Fig 2: Engine Control Module Power Source Circuit Inspection - Steps 1-3 (Matrix)

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Fig 3: Engine Control Module Power Source Circuit Inspection - Steps 4-5 (Matrix)

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Fig 4: Engine Control Module Power Source Circuit Inspection - Steps 6-7 (Matrix)

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Fig 5: Engine Control Module Power Source Circuit Inspection - Steps 8-9 (Matrix)

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Fig 6: Identifying Engine Control Module Electrical Connector Terminals (Matrix - 1 Of 2)

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Fig 7: Identifying Engine Control Module Electrical Connector Terminals (Matrix - 2 Of 2)

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