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Home >> Mercury >> 1984 >> Capri GS, 3.8 3 >> Repair and Diagnosis >> Engine Performance >> System >> 3.8L CFI EEC IV Testing >> Testing >> Reading Self-Test Codes >> Notes

Reading Self-Test Codes: Notes

Service codes are transmitted to the Self-Test Output connector. They are shown as voltage pulses on a Digital Volt/Ohmmeter (DVOM), or as numbers on the STAR tester.