It only applies to the temperature door actuator.
Hvac recirculation door actuator.
If your vehicle has manual controls a recalibration is not possible or needed.
Generally an 8 to 12volt signal provides the needed voltage and ground from the control head to the actuator motor.
An actuator for blend door and mode there could be a couple.
View compatability chart for specific location.
Okay the only recalibration procedure is for a system that has auto controls.
Learn how to reset the hvac actuator with acdelco.
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An actuator can go bad in of two ways.
The recirculation door allows for air in the passenger cabin to be drawn into the hvac system cooled or heated and then recirculated back into the cabin instead of bringing in outside air.
That may reset them and they will work or you ll have to see if the actuator is getting power or not.
A blend door actuator is made up of an electric motor that turns a plastic gear set in one direction or another which is connected to an air control door pivot at the final drive of the unit.
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The recirculation door actuator receives signals from the control panel to shut off the outside air and open the recirculation door.
The two wire actuator is the simplest of them all.
If you happen to have auto controls the temperature door recalibration is performed as usual but the fuse will be labeled rdo batt.