The sun irradiance sensor and the cabin air temperature sensor are combined into a common housing A, located on the upper part of the instrument panel near the windshield glass. Depending on the degree of illumination of the cabin by sun rays, the air flows are directed accordingly to the sensor signals to the face or feet of the driver and front passenger. This ensures the most efficient operation of the climate control system and a more comfortable distribution of air flows in the cabin.
To avoid incorrect temperature readings due to the influence of heated panel elements, the temperature sensor is equipped with a forced airflow system. The system ensures a uniform air flow from the front of the car through the sensor housing. To ensure normal air movement, protect the inlet of the combined sensor housing from any solid particles or liquid. This is especially true for dry cleaning of the interior. When vacuuming the interior, it is strictly forbidden to bring the suction tip of the vacuum cleaner pipe to the inlet of the housing. If air flow through the sensor opening is obstructed, the normal operation of the automatic climate control system is disrupted.
1. Disconnect the wire from the negative terminal of the battery.
2. Pry it up with a screwdriver…
3….and, overcoming the force of the elastic holders, remove the upper deflector grille from the hole in the panel.
4. Press the lock and disconnect the wiring harness connector from the sensor housing.
5. Squeeze the two clips on the sensor housing and remove it from the mounting hole in the upper deflector grille.
6. Install the sensor in the reverse order of removal.