Automatic Air temperature sensor

Automatic air conditioning system temperature sensor comprising: an engine coolant temperature sensor, in-car temperature sensor, ambient temperature sensor, evaporator temperature sensor. Based on these sensor signals the control unit to calculate the air blown into the cabin temperature required to select the desired amount of air and control air mixture inlet valve, out of air intake converter board, etc., in a temperature range set by the driver automatically adjust the temperature inside the cabin, to achieve the best, and automatically controlling the air conditioner on and off. One of the conditions refrigeration air-conditioning system is the ambient temperature is higher than room temperature, ambient Crank Shaft Position Sensor circuit, terminal water, bad or poor grounding, the data stream will be displayed below -30 ℃ ambient temperature, will cause air conditioning is not cooling. Meanwhile, the engine coolant Engine Coolant Temperature Sensor circuit or grounding line is bad, the signal is lost in time, cooling fan does not turn, lead to air conditioning cooling efficiency, will enter the fail-safe, allowing air conditioning to stop working