A/C issues

There is a left and a right blend door you can see
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During car start I saw 1% then as I changed temp from 65 to 70 then back to 65 I saw those changes in the hvac module
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There are 2 actuators as mentioned ^^^
One is next to the cabin filter and one is behind the center console.
Both can be accessed & seen through the Glove box.  Z
 
There might be a recalibration routine for the hvac module, like a secret combo.  It works on the Edge with auto climate control, might on the SHO also.  Youtube it.
 
So yes, I can see the blend door positions in Forscan and they look fairly close except the drivers one is at a different position than the passengers even at same temperature. According to FSM I need to remove fuse 15 from smart junction box for one minute and then turn on power for at least 30 seconds to have the blend doors recalibrate. I cannot find the location of said smart junction box in the FSM but I think it may be the junction box at drivers kick panel. Issue is fuse 15 according to owners manual has nothing to do with HVAC, that’s fuse 47. It is definitely not in the PDC under the hood. Also per the FSM there is one blend door actuator to the left of the dash and the one behind the glove box. I swear there was a third for some sort of temperature control but I only see two listed in FSM. There is a second one at the glove box but it is listed as the mode door actuator, which seems to be working.
 
two blend door actuators and two mode door actuators.

yes, the fuse panel under the driver dash is the SJB/BCM.  The owner's manual descriptions are often incomplete, the FSM is the reference where functionality is concerned.  Anyhoo, Fuse 46 seems to be the only one listed as related to climate control, that is the one I would pull.  Dunno where F15 and F47 are being drawn from, perhaps a 2010-12 SHO?
 
In forscan thru the phone there is a test to reset the hvac blend door module

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Update. Tried the reset via forscan didn’t work. Tried the pull fuse reset didn’t work. Didn’t want to do the whole hard reset with battery cables cause everything else is working good. I’m going to order a drivers blend door and see if that fixes the issue. As far as I know the relearn procedure is just pull fuse 46 for a few minutes and put it back in. The reset HVAC module in forscan has you turn off ignition, then turn on ignition but not engine to finalize. Question, so with the push button does the ignition off mean accessory power still active? I feel like I have to hit start button twice to get from off to ignition portion as if I hit it once it only shows as accessory power active. Of course keep my foot off the brake pedal so engine doesn’t start. Thanks for everyone’s help.
 
Sbouvia said:
Update. Tried the reset via forscan didn’t work. Tried the pull fuse reset didn’t work. Didn’t want to do the whole hard reset with battery cables cause everything else is working good. I’m going to order a drivers blend door and see if that fixes the issue. As far as I know the relearn procedure is just pull fuse 46 for a few minutes and put it back in. The reset HVAC module in forscan has you turn off ignition, then turn on ignition but not engine to finalize. Question, so with the push button does the ignition off mean accessory power still active? I feel like I have to hit start button twice to get from off to ignition portion as if I hit it once it only shows as accessory power active. Of course keep my foot off the brake pedal so engine doesn’t start. Thanks for everyone’s help.
Click to expand...
Push button once is accessory mode! Need to hit the Push Button start twice in order to get to (ignition mode).\
I'm hoping the Blend door actuator does the trick. Z
 
Ok so finally an update. I finally got the cha cue to change drivers door blend door actuator and run through the reset both in forscan and by pulling fuse. Blend door on drivers side is moving just fine, however I still have crappy at best AC. I suppose it’s back to the dealer unless I can find some gauges to see my levels of refrigerant. Does anyone know if the AC tools autozone has on the loan a tool program would be worth using? It’s getting hot in northern Virginia and the humidity is a killer especially sitting in DC’s amazing traffic
 
yes, autozone tools should be pro level tools, and unless a previous "renter" has hammered them, should work just fine.
 
The hissing sound behind the passenger side Dash has me a bit concerned pointing to a small leak in the system.
IMO would Recharge and evacuate the A/C System and think there is a $125.00 Diagnostic fee IIRC!

I'm glad the blend door actuators are fully functional once again and working as designed. Z

Temperature Blend Door Actuator — LH
Removal and Installation

NOTE: The LH temperature blend door actuator can be accessed from below the LH side of the instrument panel.

Disconnect the LH temperature blend door actuator electrical connector, remove the 2 retainers and the LH temperature blend door actuator.
2.To install, reverse the removal procedure.

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 Smart Junction Box (SJB) fuse 15 for at least one minute.
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 LH temperature blend door operation.

https://youtu.be/IjLfyXCBw1k​
 
I know I am replying so late but wanted to close the thread. Brought the car around the time of posting to a local mechanic and not the stealership and guess what they found a leaking condenser. Ordered a new part from Ford and it came a three days later but in a damaged box. Mechanic said the part had been damaged in transit and said he didn’t want to put it in but would rather send it back and get another. He called me to let me know why the hold up. I said I was happy he called but even happier they just didn’t install a possibly damaged part. Got the new one installed and the AC has been ice cold since. I trust the stealership about as far as I can throw my car.
 
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