Chrysler Blend Door Actuator Calibration
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.
Chrysler blend door actuator calibration. After this hot air on both sides. The blend and mode doors on late model chrysler vehicles are driven by dc servo motors. Hi it does require calibration. 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.
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. Passenger side is blowing hot air. Blend door actuator motor calibration. 4 actuator calibration test 1.
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. 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.
First the electric motor can burn out rendering the unit non responsive so nothing changes when the temperature or. Chrysler 300 stuck blend door. An actuator can go bad in of two ways. Open hood bonnet for the rhd guys and locate fuse 15 in the fuse box next to the battery.