What does the ambient air sensor do?
Thermometrics Ambient Air Temperature Sensor measures the temperature outside the passenger compartment and is usually mounted inside or near the front bumper. The sensor provides input to automatic HVAC systems to help control the interior temperature of the automobile.
What does the ambient air temp sensor do?
The air temperature sensor, sometimes called the ambient air temperature sensor or the outside air temperature sensor, is one of the many technological conveniences of the modern automobile. It measures the temperature of the air outside and reports that info back to the temperature readout on your dash.
What to do if your ambient temperature sensor has failed?
For this reason, if you suspect that your ambient temperature sensor has failed, or is having a problem, have a professional technician, such as one from YourMechanic, inspect the AC system and replace the sensor if necessary. This article originally appeared on YourMechanic.com as Symptoms of a Bad or Failing Ambient Temperature Sensor (Switch).
What are the signs of a bad AC sensor?
Common signs include a faulty AC auto mode, inconsistent cooling, and incorrect outdoor temperature readings. 1. The AC auto mode will not work 2. Inconsistent cooling 3. Incorrect reading on temperature gauge Average rating from 53 customers who received a Heating AC Inspection.
How does the ambient air temperature sensor work?
The AAT sensor measures the air temperature outside the vehicle. It converts the temperature information into an electrical signal and sends it to the powertrain control module (PCM). Usually, the PCM shares that data with other modules (including the CCM).
What are the symptoms of a bad ambient temperature sensor?
When the ambient temperature sensor fails, there will usually be a few symptoms that may alert the driver that a problem with the sensor has occurred and it should be inspected or replaced if needed. 1. The AC auto mode will not work
What does ambient temperature mean in car AC?
Just to clarify, ambient temperature refers to the temperature that is surrounding the object, which in this case, is the vehicle’s external temperature. The computer will activate the AC based on the customer’s input signal, indicating the AC request from the switch or control panel on the dash.