P0118 Engine coolant temperature circuit high input
Check Conditions
2 seconds or more have passed since the staring sequence was completed.
Judgement Criteria
Engine coolant temperature sensor output voltage has continued to be 4.6 volts or higher [corresponding to coolant temperature of −45°C (−49°F) or lower] for 2 seconds.
- Engine coolant temperature sensor failed.
- Open or shorted engine coolant temperature sensor circuit, or loose connector.
- PCM failed.
Check Conditions
2 seconds or more have passed since the staring sequence was completed.
Judgement Criteria
Engine coolant temperature sensor output voltage has continued to be 4.6 volts or higher [corresponding to coolant temperature of −45°C (−49°F) or lower] for 2 seconds.
- Engine coolant temperature sensor failed.
- Open or shorted engine coolant temperature sensor circuit, or loose connector.
- PCM failed.