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Home >> Mitsubishi >> 2003 >> Lancer Evolution >> Repair and Diagnosis >> External Pages >> Different car >> Section 30 (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
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Fail Safe Mode

WARNING: This page is about a different car, the 2002 Nissan Maxima and 2002 Infiniti I35. However, it is still accessible from the selected car via links, so may be relevant.

When this malfunction is detected, ECM enters fail safe mode. MIL illuminates and ECM determines that ECT is fixed at 104°F (40°C) when ignition is first turned on, then increases based on engine run time. After 4 minutes, ECM determines that ECT is fixed at 176°F (80°C). Cooling fan operates while engine is running.

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