DTC Detection Logic
WARNING: This page is about a different car, the 2013 Infiniti M56. However, it is still accessible from the selected car via links, so may be relevant.
| DTC No. | Trouble diagnosis name (Trouble diagnosis content) | DTC detecting condition | Possible cause |
|---|---|---|---|
| P0117 | ECT SEN/CIRC (Engine coolant temperature sensor circuit low input) | An excessively low voltage from the sensor is sent to ECM. |
|
| P0118 | ECT SEN/CIRC (Engine coolant temperature sensor circuit high input) | An excessively high voltage from the sensor is sent to ECM. |