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Home >> Mazda >> 2002 >> Protege ES, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0117: Engine Coolant Temperature Sensor Circuit, Low Input >> Condition

DTC P0117: Engine Coolant Temperature Sensor Circuit, Low Input: Condition

DTC is set if input voltage from Engine Coolant Temperature (ECT) sensor is less than 0.2 volt. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during first drive cycle. Possible causes are: