Set Condition
WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.
- Once the vehicle has cold soaked for a calibrated engine off time and then is driven over a calibrated speed and load conditions for some calibrated time, the PCM compares the ambient air, engine coolant and intake air temperature sensor values.
- If the values of all the three sensors disagree with one another, a general temperature sensor irrationality is declared.