Chrysler Blend Door Actuator Calibration

Actuator calibration atc system the actuator calibration function homes and repositions the air door actuators removes accumulated positioning errors and checks for air door span faults.

Chrysler blend door actuator calibration.

Open hood bonnet for the rhd guys and locate fuse 15 in the fuse box next to the battery. Turn ignition key to the on position and turn on the hvac system. If the motors get out of synchronization the control head doesn t know where they are. That can result in cold air when you command heat and vice versa.

Once actuated the entire process takes approximately 90 seconds upon completion all air door actuators should return to the position that the system is currently requesting. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. Recalibrate chrysler ac control head how recalibrate a chrysler heater control. 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.

An actuator can go bad in of two ways. Move the key to the off position. The a c heater control learns the recirculation air door stop positions during the calibration procedure and will store a diagnostic trouble code dtc for any problems it detects in the recirculation door actuator circuits refer to 28 dtc based diagnostics hvac diagnosis and testing. 2 degrees out drivers side is blowing cold air.

Chrysler 300 stuck blend door. The blend and mode doors on late model chrysler vehicles are driven by dc servo motors. After this hot air on both sides. Passenger side is blowing hot air.