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Home >> Saturn >> 2000 >> SW2 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Control System - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Engine Coolant Level Switch

Engine Coolant Level Switch

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PCM checks engine coolant level continuously. If coolant level is low at any time, PCM will send information through the serial data to the Instrument Panel Cluster (IPC) to illuminate the "Low Coolant Level" warning light.

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