MONITOR DESCRIPTION
The ECM estimates the engine coolant temperature based on the starting temperature, engine loads, and engine speeds. The ECM then compares the
estimated temperature with the actual engine coolant temperature. When the estimated engine coolant temperature reaches 75锟斤拷C (167锟斤拷F), the ECM
checks the actual engine coolant temperature. If the actual engine coolant temperature is less than 75锟斤拷C (167锟斤拷F), the ECM interprets this as a
malfunction in the thermostat or the engine cooling system and sets the DTC.
MONITOR STRATEGY
TYPICAL ENABLING CONDITIONS
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