Hi and thanks for using 2CarPros. Com.
It sounds like there is a problem with the mode door actuator. I have to be honest, it is not easy to get to for inspections. However, here are the directions for removal and replacement. Once you reach it, then you can check if it is functioning. The attached pictures correlate with these directions.
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Mode Door Actuator - Defrost/Panel/Floor Door
Removal and Installation
1. Remove the instrument panel. For additional information, refer to Instrument Panel and Console See: Dashboard / Instrument Panel > Removal and Replacement > Instrument Panel.
2. Disconnect the LH temperature blend door actuator electrical connector.
3. Remove the 2 LH temperature blend door actuator screws.
4. Remove the LH temperature blend door actuator.
5. Disconnect the in-vehicle temperature sensor aspirator hose connection.
6. Disconnect the DEFROST/PANEL/FLOOR mode door actuator electrical connector.
7. Remove the 3 DEFROST/PANEL/FLOOR mode door actuator and cam assembly screws.
8. Remove the DEFROST/PANEL/FLOOR mode door actuator and cam assembly.
9. To install, reverse the removal procedure.
10. NOTE: The purpose of the module actuator position calibration is to allow the HVAC module to reinitialize and calibrate the actuator stop points. To carry out calibration, carry out the following steps.
Remove the Smart Junction Box (SJB) fuse 15 for at least one minute.
11. NOTE: When the ignition switch is switched to the ON position, the HVAC module will initialize and calibrate the actuators. Calibration of the actuators will take approximately 30 seconds.
Reinstall SJB fuse 15. Turn the ignition switch to the ON position and wait 30 seconds before verifying correct DEFROST/PANEL/FLOOR operation.
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Let me know if this helps or if you have other questions.
Take care,
Joe
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Wednesday, October 14th, 2020 AT 12:50 PM
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