Cold Start Up

The scan tool displays Yes or No. A cold start up is when the engine coolant temperature rises above a predetermined temperature during an ignition cycle. The next ignition cycle the engine coolant temperature should be below a predetermine( temperature. Also the engine coolant temperature and the Intake Air temperature are less than 50 degrees C (122 degrees F) and are within 3 degrees C (5 degrees F) of each other at start up. When the above is true the scan tool displays Yes.