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Home >> Infiniti >> 2003 >> FX45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0117: Engine Coolant Temperature Sensor Circuit Low Input Or DTC P0118: Engine Coolant Temperature Sensor Circuit High Input >> Fail-Safe Mode

Fail-Safe Mode

When malfunction is detected, the ECM enters fail-safe mode, MIL illuminates, coolant temperature sensor is activated, and the cooling fan operates while engine is running.

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