Ambient Temperature Sensor / Switch HVAC: Description and Operation
AMBIENT TEMPERATURE SENSORDESCRIPTION
1. The air temperature sensor, located at the front of the engine radiator, detects ambient air temperature. It is a negative type thermistor; resistance will increase with lower temperatures, 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.
- R25 °C : 30 kohms ± 3%
- B(0/25) : 3754 K ± 2%
- Operation Temp. range : -30 °C - 80 °C