Where is the car interior and exterior temperature sensor located?
2 Answers
Models vary, and so do the installation locations. Generally, the interior temperature sensor is installed on the center console, while the exterior temperature sensor is mounted in front of the radiator. Here are some related details: 1. Function: The car exterior temperature sensor detects the atmospheric temperature, transmits the detected temperature to the engine's ECU, and converts it into an electrical signal to determine the automatic air conditioning's temperature setting. Without manual intervention, it adjusts the air conditioning to the most suitable temperature. 2. Classification: Based on measurement methods, they can be divided into contact and non-contact types. According to sensor materials and electronic component characteristics, they are classified into thermal resistors and thermocouples.
Last time I went to get my car repaired, the mechanic told me that the interior sensors are usually installed near the center console, with the most common location being under the dashboard near the steering wheel. Exterior sensors are typically located at the front of the car—some are hidden behind the grille, while others are beneath the side mirrors. The mechanic mentioned that the position of exterior sensors should not be modified casually, as incorrect placement can cause the AC to blow cold air erratically, leading to inaccurate temperature readings in the summer. Exterior sensors are also particularly prone to dust buildup; if they get covered in mud, the dashboard temperature reading can skyrocket like a sauna. Whenever I wash my car, I make sure to rinse the front grille area to keep the sensors clean, ensuring accurate automatic AC adjustments. Additionally, if you notice the AC fluctuating between hot and cold, remember to check if the connectors for these two sensors are loose.
