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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1091 (Instrument Panel System Displays, Gauges And Console) >> Description and Operation >> Instrument Panel Cluster (IPC) Description and Operation >> Engine Coolant Temperature Gage

Engine Coolant Temperature Gage

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The instrument panel cluster (IPC) displays the engine coolant temperature (ECT) as determined by the engine control module (ECM) or the powertrain control module (PCM). The IPC receives a class 2 message from the ECM/PCM indicating the ECT. The range on the ECT gage is between 60-125°C (140-260°F). The ECT gage defaults to 60°C (140°F) or below if the ECM/PCM detects a malfunction in the ECT sensor circuit. Refer to Cooling System Description and Operation in Engine Cooling.

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