DTC Detection Logic
WARNING: This page is about a different car, the 2012 Infiniti G25. However, it is still accessible from the selected car via links, so may be relevant.
| DTC No. | Trouble diagnosis (Trouble diagnosis content) | DTC detecting condition | Possible cause |
|---|---|---|---|
| P0116 | ECT SEN/CIRC [Engine coolant temperature (ECT) sensor circuit range/performance] | The comparison result of signals transmitted to ECM from each temperature sensor (ECT sensor, FTT sensor, and EOT sensor) shows that the voltage signal of the ECT sensor is higher/lower than that of other temperature sensors when the engine is started with its cold state. |
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