Ambient Temperature Sensor / Switch HVAC: Description and Operation

1. The air temperature sensor is located at the front of the engine radiator and detect ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperature, and decrease with higher temperatures.




2. The sensor output will be used for discharge temperature sensor, sensor fail-safe, temperature regulation door control, blower motor level control, mix mode control and in-car humidity control.







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