DTC P0117 & P0118: ECT Sensor
WARNING: This page is about a different car, the 2003 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
When the fail-safe system for ECT sensor is activated, the cooling fan operates while engine is running.
Engine coolant temperature will be determined by ECM based on the time after turning ignition switch "ON" or "START". CONSULT-II displays the engine coolant temperature decided by ECM. See ENGINE COOLANT TEMPERATURE CONDITION table.
ENGINE COOLANT TEMPERATURE CONDITION
| Condition | (1) Engine Coolant Temperature Decided | ||
|---|---|---|---|
| Just As Ignition Switch Is Turned ON Or Start | 104°F (40°C) | ||
| More Than About 4 Minutes After Ignition ON Or Start | 176°F (80°C) | ||
| Except As Shown Above | 104-176°F (40-80°C) (Depends On The Time) | ||
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