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Home >> Saturn >> 2002 >> L300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0645: A/C Clutch Relay Circuit Open >> DTC Parameters

DTC Parameters

DTC will set if A/C relay feedback voltage is 2.6-4.6 volts (ECM pull-up voltage) for longer than 0.5 second indicating an open circuit when A/C relay is commanded off.

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