azTMP

azTMP is a type of temperature sensor primarily used in automotive applications. It is a thermistor, meaning its electrical resistance changes significantly with temperature. Specifically, azTMP sensors are designed to measure engine coolant temperature, which is a critical parameter for engine control units (ECUs) to regulate fuel injection, ignition timing, and fan operation. The sensor typically consists of a semiconductor material encased in a protective housing, often made of brass or plastic, with electrical connectors.

The resistance of an azTMP sensor decreases as the temperature increases. This change in resistance is detected by the ECU, which interprets the signal to determine the current coolant temperature. This information is vital for the ECU to maintain optimal engine performance, prevent overheating, and ensure efficient fuel combustion. By monitoring coolant temperature, the ECU can adjust various engine parameters to compensate for temperature variations, such as cold starts or high operating temperatures.

azTMP sensors are known for their accuracy and reliability within their intended operating range. They are a standard component in most modern internal combustion engine vehicles. The data provided by the azTMP sensor also contributes to dashboard gauges, allowing drivers to monitor their vehicle's temperature. Malfunctions in an azTMP sensor can lead to inaccurate readings, potentially causing the ECU to operate the engine inefficiently or leading to warning lights on the dashboard.