Question about 2001 Lincoln LS
Visual Inspection Chart Mechanical Electrical
you can do this test
The DATC module self-test through the front panel display:
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
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Posted on Jan 02, 2017
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
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.
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:
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
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
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
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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