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Home >> Saturn >> 2000 >> SW2 Automatic >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Control System - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Generator "F" Field Circuit

Generator "F" Field Circuit

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PCM monitors the duty cycle of the generator through the "F" circuit. As generator load increases, PCM can adjust idle speed accordingly. If Instrument Panel Cluster (IPC) does not see any activity from the "F" circuit, IPC will illuminate the VOLTS light.