Question about 2001 Lincoln LS

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Air is cold center vents and hot side vents 01 ls lincoln

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  • Lincoln Master
  • 4,369 Answers

  • The dual temperature control is inoperative/does not operate correctly
  • Circuitry.
  • DATC module configuration.
  • DATC module.
  • Coolant control valve.
  • Low coolant level.
  • Air trapped in coolant circuit.
  • Incorrect heater hose connections.
  • Air temperature sensors.


--------------------
Visual Inspection Chart Mechanical Electrical
  • Loose, missing or damaged A/C compressor drive belt
  • Loose or disconnected A/C clutch
  • Broken or leaking refrigerant lines
  • Obstructed in-vehicle temperature sensor
  • Disconnected in-vehicle temperature aspirator hose
  • A/C registers are not working (open/close)
  • Front floor ducts not in place
  • Incorrectly installed in-vehicle temperature sensor
  • Incorrectly installed ambient air temperature sensor
  • Fuse(s)
  • Blower motor inoperative
  • A/C compressor inoperative
  • Circuit short/open.
  • Disconnected, loose fitting, or incorrectly installed electrical connectors and pins
  • Cooling fan inoperative
  • Relays not functional or not installed

  1. As pinpoint tests and measurements are being performed, be sure to inspect for any disconnected, loose fitting, or incorrectly installed component, module and in-line electrical connectors and pins.
  1. If the inspection reveals obvious concerns that can be readily identified, repair as necessary.
  1. If the concern remains after the inspection, connect the scan tool to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the scan tool menu. If the vehicle selection cannot be entered:
    • check that the program card is correctly installed.
    • check the connections to the vehicle.
    • check the ignition switch position.
    • check that the battery voltage is greater than 9V.
--------------------------------------------
you can do this test

The DATC module self-test through the front panel display:
  • can be initiated at any time. Normal operation of the system stops when the self-test is activated.
  • is entered by pressing the OFF and FLOOR buttons simultaneously and then pressing the AUTO button within two seconds. The display will show counts of 1 to 25 in the center of the display window. Record all DTCs displayed.
  • concludes by reporting all on-demand DTCs. Follow the diagnostics procedure given under ACTION in the DTC index for each DTC given.
  • reports individual on-demand DTCs as four-digit DTCs (less the alpha character).
  • will calibrate all the mode doors and check all analog inputs. The DATC module will only report on-demand (hard) faults that occurred while the DATC module was conducting its self-test.
  • will light all control panel display segments if no faults are detected.
  • will report individual on-demand DTCs without the °C symbol lit.
To exit the self-test, press any button. This will clear all on-demand codes from the DATC module memory. If no button is pushed DTCs will continue to be displayed.
Upon exit from the self-test the DATC module returns to operational status. The DATC module executes a hard (cold boot) reset which places the DATC system in the OFF mode.
If a condition exists but no DTCs appear during the self-test, GO to Symptom Chart Condition: The DATC System Is Inoperative, Intermittent or Incorrect Operation.
Always exit the self-test before powering the system down (system turned OFF).

Posted on Apr 29, 2009

6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

chuck943
  • 783 Answers

SOURCE: Dual Temperature controls inside - 2002 lincoln ls

The problem is most likely a bad dual climate control valve. This component is located on the right side near the radiator under the hood. It will have several coolant hoses hooked to it and 2 silver cylinders protruding from it. You can clamp off the heater hoses at the heater core and see if both sides cool then and this will tell you that the valve is letting coolant thru when it shouldn't be.

This will narrow it down to either the valve or the control head inside the car,or wiring in between them. The only way to narrow it down further is if you have a scan tool that could access the climate control data. Have seen several of these valves cause this concern and have only seen one control head cause it.

Posted on Apr 02, 2009

s_pra_army
  • 37 Answers

SOURCE: hot air comes out of defrost vent at top dash and cold air out of

Hey, what setting is your A/C on Max AC? AC? Cycling air in vehicle or taking it from outside

The car icon on the right in this image is what I'm referring to when I say cycling air in vehicle.

373a147.jpg
Also, do you ever have cold air blowing? on any setting or any speed? if not, find your A/C fan, it is smaller the the engine cooling fan, sometimes there are 2 fans together. The AC fan should be located at the front of the vehicle and is usually electrically powered.

Also try to find your compressor, looks something like this:
730c4b9.jpg

is it running? is one pipe hot and one cold? (the pipes I am referring to are inlet and outlet pipes of the A/C compressor unit.)

Hope this helps, keep me posted

Posted on May 10, 2009

  • 1 Answer

SOURCE: I have a 2004 Lincoln LS and it blows cold air on

It is probably the (DCCV) Dual climate control valve. It is located RT front of engine with heater hoses and wires goin to it. I ordered one from Rockauto.com for about a $100.00 i think. It is pretty easy to change and I found out when mine went out that it was a very common problem with these cars. When mine quit it started the same as you are describing for a while then it only would blow hot air and it blew the a/c compressor fuse. The DCCV is a dual cylinder valve and i beleive that they get stuck open and short out. If you have any more questions or need more information let me know.

Posted on May 15, 2009

  • 1 Answer

SOURCE: i have a 2003 jaguar s type , has cold air in

My car just had that same exact problem took it to the shop and they found that there was a short on the ac circuit board so they put a jumper on it and this solved the problem and checked to make sure the proper fuse was the proper size.

Posted on May 22, 2009

kidspeedy
  • 321 Answers

SOURCE: 1994 c280 mercedes benz a/c

center console unit has a vaccum leak.
do you hear the vaccum pump in the trunk cycling over and over?
take it to benz for service very very difficult to fix.

Posted on Jun 12, 2009

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1 Answer

No heat from vents


As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----

2000 Toyota Avalon: No heat on Passenger Side?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-no-heat-on-passenger.html

------------

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http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

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Heater blows cold?

http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

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Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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Hot air on the driver's side vents only?

http://repairhelpcenter.blogspot.com/2012/01/hot-air-on-drivers-side-vents-only.html

--------------

Temperature gauge does not move and no heat when heater is ON?

http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html

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1992 Toyota Camry: A/C Control light Flashing and A/C not Blowing Cold?

http://technoanswers.blogspot.in/2012/04/1992-toyota-camry-ac-control-light.html

--------------


No heat, blower blows only cold?

http://technoanswers.blogspot.in/2012/02/no-heatblower-blows-only-cold.html
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Ford F150 Ac only blows through defrost vents?

http://technoanswers.blogspot.com/2012/01/forf-f150-ac-only-blows-through-defrost.html

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http://technoanswers.blogspot.com/2012/01/dodge-ac-come-out-of-defrost-vents-only.html

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http://whoisbyme.blogspot.in/2012/06/2005-chrysler-p8t-cruiser-ac-blows-warm.html


-------------

2009 Mercury Grand Marquis: A/C blows Cold From Defrost Vent Only?

http://whoisbyme.blogspot.in/2012/06/2009-mercury-grand-marquis-ac-blows.html

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AC not blowing through Vents on 2007 Chevy Trailblazer?

http://schematicsdiagram.blogspot.in/2012/04/ac-not-blowing-through-vents-on-2007.html

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Passenger side temperature is warm air out of dash vents?

http://schematicsdiagram.blogspot.in/2012/04/passenger-side-temperature-is-warm-air.html

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These will help.

Thanks.

Nov 28, 2012 | 2006 Ford Taurus

1 Answer

I have a 2000 lincoln ls with about 140,000 miles on. I was driving home and it started to overheat once I started to pull over it cooled off itself. So I kept going. About 3 months later it overheated...


that car has a intake manifold leak you have to check your car in the morning look in the plastic fill reservoir and it should be you to the cold line that is the line on top the hot line is the lower one make sure it is up to the cold ligne stick something in there if you can not see it

Apr 17, 2017 | 2000 Lincoln LS

1 Answer

2000 lincoln ls ac is blowing hot air on pass side


On the central console is the A/C module. Inside A/C module are driver's side & passenger's side air flaps for mixing hot & cold air and directed air flows towards driver's side & passenger's side according to driver commands. The passenger's side flap for mixing hot & cold air according to driver commands is bad. Flaps are actuated by electrical step by step motors. Could be damaged the flap actuator (motor), the flap mechanism (blocked in "HOT" air position), and / or electrical supply wires. You must access the passenger's side flap for mixing hot & cold air, and see what happens when you command cold air to the driver's side: flap mechanism, flap actuator, supply wires, ... Repair & replace bad pieces and test the A/C system.

Aug 12, 2010 | 2000 Lincoln LS

1 Answer

My a/c on my 2000 Lincoln LS has started blowing cold and hot air out of the same vents at the same time and then eventually it blows only hot air. Any ideas what could be the cause and suggestions on how...


I can tell you, that there is no way you can fix that in your driveway.

You need a professional scan tool and diagnostic charts to follow

The LS is very High Tech and all electronic. The HAVC, is a complete System onto it's self.

May 20, 2010 | 2000 Lincoln LS

1 Answer

Heat blows out driver vent when ac on


this problem is caused by a defective air temperature control blend door actuator motor, it is about center of dadsh in air ducting, it moves the door that diverts air for cold from ac or hot from heater, you must remove the dash to repace it, about a 15 hour job fotr a home mechanic with a factory repair manual, nearly imposs without one.

Sep 04, 2009 | Lincoln LS Cars & Trucks

1 Answer

Air conditioner blow heat out of the left dash vents


Get your ac filter replaced. My car did the same thing for a year until I figured out what the problem was.

Jun 15, 2009 | 2001 Lincoln LS

3 Answers

Center vents cold side vents hot please help bthibs


hello,good day,seems your recirculating pump need tobe check,ty

May 15, 2009 | 1996 Mercedes-Benz C-Class

3 Answers

Dual Temperature controls inside - 2002 lincoln ls


The problem is most likely a bad dual climate control valve. This component is located on the right side near the radiator under the hood. It will have several coolant hoses hooked to it and 2 silver cylinders protruding from it. You can clamp off the heater hoses at the heater core and see if both sides cool then and this will tell you that the valve is letting coolant thru when it shouldn't be.

This will narrow it down to either the valve or the control head inside the car,or wiring in between them. The only way to narrow it down further is if you have a scan tool that could access the climate control data. Have seen several of these valves cause this concern and have only seen one control head cause it.

Apr 02, 2009 | 2002 Lincoln LS

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