HVAC Sun Sensors

Replacement Parts > HVAC > Sensors

HVAC Sun Sensors

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What is an HVAC Sun Sensor?

An HVAC Sun Sensor (also known as a photosensor or photovoltaic cell) is a device that monitors the amount of sunlight outside a vehicle in order to regulate the HVAC system accordingly.

What is the purpose of an HVAC Sun Sensor?

The purpose of an HVAC Sun Sensor is to detect the amount of sunlight outside of a vehicle to regulate the HVAC system accordingly. The HVAC system will adjust the temperature inside the vehicle to make the environment more comfortable for the passengers.

How can I determine if my HVAC Sun Sensor is faulty?

If your HVAC Sun Sensor is faulty, you may notice the interior temperature of your vehicle fluctuating unexpectedly. You may also notice a decrease in air flow or difficulty controlling the climate of your vehicle.

Can a faulty HVAC Sun Sensor cause damage?

A faulty HVAC Sun Sensor can cause the HVAC system to malfunction, which can lead to additional damage to the system if left unchecked.

How do I replace an HVAC Sun Sensor?

Replacing an HVAC Sun Sensor requires some basic mechanical knowledge. The steps to replace it are as follows:

  1. Locate the HVAC Sun Sensor, typically located on the dashboard near the windshield.
  2. Disconnect the wiring and remove the mounting screws.
  3. Install the new Sensor and secure it with the mounting screws.
  4. Reconnect the wiring.
  5. Test the Sensor to make sure it is working properly.


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