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Front Seat Cooling


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10 replies to this topic

#1 OFFLINE   Bobodude

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Posted 29 June 2016 - 06:00 PM

Hi, we're new to the forum and happy to be here. Just picked up our new 2016 MKX Reserve Trim Lincoln and we love it. Having some issues right out of the gate. One issue is the front seat cooling. We noticed that after a week, the passenger cooling seemed to deminish considerably all on its own. Don't have a Lincoln dealer in our area (bought the car at our nearest Lincoln dealer 380 miles from home) so we took it into a local Ford dealership. They checked the seat and reported everything ok. Didn't like that answer so I made a call to purchasing Lincoln dealer and talked to the service manager. What a wealth of knowledge. He explained to me the operation of the seat cooling. I thought there was a cooling element in the seat or some duct work that connected to the main AC system. WRONG.
The cooling is achieved by a fan under the seat that draws in cool air from the floor area. You have to have the AC air blowing into the floor area, via the climate control on the Nav touch screen with NO obstructions under the seat and the engine running over 350 rpm. Seat cooling does not work unless the engine is running. Well when we picked up the car, our salesman thoughtfully had put the AC on with it blowing top and bottom vents. And I had not stuck the big fat First Aid bag under the passengers seat yet. Bingo. Wrong venting and big obstruction equals very little air flow and very little cooling. Thought you would like to know folks!
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#2 OFFLINE   akirby

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Posted 29 June 2016 - 09:08 PM

Not true - there is a peltier device that provides the heating and cooling with the fan.

#3 OFFLINE   enigma-2

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Posted 30 June 2016 - 11:09 AM

Here's a nice discussion on how Ford/Lincoln seat cooling/heating works (and how to check for problems).

https://m.facebook.c...23295744373477/

#4 OFFLINE   akirby

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Posted 30 June 2016 - 11:47 AM

Can you paste it for those who can't get to facebook?



#5 OFFLINE   enigma-2

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Posted 30 June 2016 - 12:44 PM

Tried and it appears that the text can't be selected for copying. It comes off the FordParts.com website and I don't have a subscription to that site. I'm using an Android and possibly it can be pulled by someone on a comouter.

Basically it's a description to ford mechanics on how the system works and how to troubleshoot. The main failure reiterated is that the airflow is blocked (dirty filter, clogged with dog hair, napkins, etc.).

Edited by enigma-2, 30 June 2016 - 01:01 PM.


#6 OFFLINE   akirby

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Posted 30 June 2016 - 01:00 PM

Facebook is blocked on many corporate networks so that doesn't help.



#7 OFFLINE   Adam

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Posted 30 June 2016 - 01:50 PM

Facebook is blocked on many corporate networks so that doesn't help.

Well how about giving the cause a little college-try, Mr. Long time IT professional and posting some useful information on the seat cooling mechanics?

Edit to add that I find you so darn irritating.

Edited by Adam, 30 June 2016 - 01:52 PM.

Current: 2016 MKX 2.7 AWD, Reserve, Ingot Silver on Cappuccino, 21s, Luxury, Climate, Driver Assistance, Technology, Cargo Utility, Multi-contour, Adaptive Steering

Previous: 2016 MKX 2.7 AWD Reserve, Luxe on Ebony and 2013 MKX AWD, Elite, Ingot Silver on Light Stone


#8 OFFLINE   akirby

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Posted 30 June 2016 - 03:33 PM

Well how about giving the cause a little college-try, Mr. Long time IT professional and posting some useful information on the seat cooling mechanics?

Edit to add that I find you so darn irritating.

 

How am I supposed to give it the old college try when MY employer blocks facebook?  You think I can/should hack firewalls?

 

If I was ABLE to do it myself I would have.  

 

And I find you just as irritating.



#9 OFFLINE   akirby

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Posted 30 June 2016 - 03:34 PM

And assuming you have facebook access, you could have just as easily posted it rather than complain about me not posting it.



#10 OFFLINE   enigma-2

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Posted 30 June 2016 - 04:05 PM

FordParts.com Parts Tip: stay cool: know about climate controlled seats.
July 22, 2011 at 3:11pm
 
 
Climate controlled seats have become an option of choice on high-end vehicles over the past few years. Vehicles equipped with these systems are now coming out from under the umbrella of manufacturer warranties and they represent a potential new profit stream for aftermarket repair facilities.
 
As with all new types of automotive systems, the first step in accurate diagnosis and service is to understand how these seats work. Let’s look at how Ford and Lincoln-Mercury climate controlled seats operate.
◾There is a thermo-electric device (TED) located within each front seat cushion and backrest.
◾The TED uses a ''Peltier'' circuit of P-type and N-type semiconductors connected in series using copper electrical conductors. Sandwiched between the semiconductors are insulating ceramic plates.
◾When current is applied to the TED, one side releases energy as heat, while the opposite side absorbs energy and gets cold.
◾By reversing the current flow, the hot and cold sides reverse.
◾The seat temperature is monitored and adjusted by a dual climate control module (DSCM).
 
Ford uses three different variations of these systems, so you will have to inspect the vehicle in order to identify its exact nomenclature.
 
During normal operation:
◾Cabin air is drawn through the seat fan motor and distributed to each of the TED modules located in the seat cushion and backrest.
◾The TEDs then heat or cool the air.
◾ The air is then directed into the foam pad surface.
◾Channels in the surface of the foam pad are used to distribute the air along the surface of the seat.
◾Once the system is activated, the DCSM controls the heating/cooling modes and the fan motor speed based on the control switch settings.
 
What steps can we take if a customer comes in with a climate controlled seat that’s not heating or cooling? Look for the following:
◾Does the seat indicator light on the Climate Controlled Seat Panel light up? If not, look for an issue in the power system.
◾Does the Message Center in the instrument panel indicate a climate control seat fault? If so, use a scan tool to retrieve codes from the DSCM.
◾Are the blower motors for each seat working?
 
In fact, blower motor issues are the most common source of climate controlled seat concerns. And in many cases the culprit is the filter on the motors.
 
Of course the filter is beneath the seat, so the napkins from the fast food chain that get kicked under the seat may get sucked into it. And if the vehicle owner is a pet lover, animal hair will accumulate there. So a filter inspection should be your first step.
 
Be aware that a restriction of airflow to the TED, may cause it to overheat. This will likely result in DTCs, and cause the seat to enter a recovery mode that disables the TED but runs the blower motor to cool it down. Once the airflow restriction is removed, the seat will resume normal operation.
 
Although there are other potential faults that can affect the operation of these seats, air filter concerns are by far the most common.  Service publications can help when diagnosing individual component or circuit faults, and be aware that when servicing these systems you will also have to interact with the supplemental restraint system.
 
Climate controlled seat technology varies between car manufactures, but as with all vehicle systems they will require service. Your understanding of these seats, in combination with your automotive service skills can make these seats a new source of profit!

 

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#11 OFFLINE   akirby

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Posted 30 June 2016 - 05:11 PM

Thanks enigma-2!   That's a great explanation.








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