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Home >> Mazda >> 2003 >> Protege5 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0118: Engine Coolant Temperature Sensor Circuit - High Input >> Detection Condition

Detection Condition

DTC is set if input voltage from Engine Coolant Temperature (ECT) sensor is more than 4.94 volts. This is a Continuous Monitor (CM). MIL is illuminated when PCM detects malfunction during first drive cycle. Pending code is not available. Freeze frame data is available and DTC is stored in PCM memory.