Where is the Audi Air Humidity Sensor Located?
1 Answers
Audi air humidity sensor is located beneath the rain sensor, adjacent to it. Additional information is as follows: 1. Classification: Based on their functions, sensors can be categorized into those measuring temperature, pressure, flow rate, position, gas concentration, speed, light intensity, humidity, distance, etc. Each serves a specific purpose, and if any sensor malfunctions, the corresponding device may operate abnormally or cease functioning altogether. 2. Composition: The intake air temperature sensor primarily consists of a plastic housing, waterproof socket, gasket, thermistor, etc. It employs a negative temperature coefficient thermistor as the sensing element. To ensure accurate measurement of intake air temperature, a plastic housing is often used for protection, preventing the installation location's temperature from affecting the sensor's operational precision. 3. Working Principle: The intake air temperature sensor is a negative temperature coefficient thermistor. Its working principle is that as temperature increases, resistance decreases, and as temperature decreases, resistance increases. The variation in resistance within the circuit leads to voltage changes, thereby generating different voltage signals to facilitate automatic operations of the control system. During cold starts, the signal from the intake air temperature sensor is similar to that of the engine coolant temperature sensor. During warm operation, its signal voltage is approximately 2~3 times that of the coolant temperature sensor.
