Chrysler Blend Door Actuator Calibration

An actuator can go bad in of two ways.

Chrysler blend door actuator calibration.

The blend and mode doors on late model chrysler vehicles are driven by dc servo motors. Recalibrate chrysler ac control head how recalibrate a chrysler heater control. Hi it does require calibration. First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or.

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. 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. 2 degrees out drivers side is blowing cold air.

That can result in cold air when you command heat and vice versa. 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. Passenger side is blowing hot air.

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. Blend door actuator motor calibration. Chrysler 300 stuck blend door. After this hot air on both sides.