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Problem solved So after pulling most of my hair out, I now have AC. After all the trouble, it was the DATC. I had replaced the DCCV twice, vacuumed and recharged the 134a refrigerant, and replaced the drier. I was at my wits end since nobody seems to have my problem. So I picked up a DATC...

my car is a 2000 LS V6. I think what you were saying joegr is on the right track. I know the DCCV uses 12v power and when the AC is turned on, it should send power to the valves to close them. I'm just not sure how to test for it with the voltmeter. Also, I have checked for codes on the DATC...

Help testing DCCV Hi, After replacing the DCCV twice but it still doesn't work, I would really like some help testing it. The DCCV does have 12V power, but it is still not closing when the AC is turned on. How can I test that the DATC is sending the correct signal to the DCCV to close...

I have a V6, Hi, I should have mentioned that I have the V6, so I don't have the auxiliary pump. What I"m trying to determine is if maybe the datc is not grounding the dccv. The DATC is not giving any error codes.

Hi, I have done a lot of research on my problem but I'm yet to find a solution. Here is the deal. In the Winter, my heat blow cold, not ac cold, when at a stop light. When I accelerate, it will blow hot. When I use my AC, I get the exact same thing. When accelerating, it blows hot. I have...

I have not tested the voltages yet but I did clamp the lines going to the heater core and it still did not change anything. One question I have is my freon or 134a. I saw a poster say he had the same problem and thought his freon was good but his high side pressure was low so he flushed the ac...

Thanks for the reply. The car is a 2000. I ran the diag and no codes. I will test voltage tonight

If I need to test the DCCV for power, how would I do that. Do I test the middle wire? Thanks for any help.

Hi everybody, I have an AC problem. First, my compressor wasn't turning on so I charged it up and it kicked on. When I first start the car it will blow a little bit cold on drivers side so I replaced the DCCV. so I have a charged ac unit that is turning on and a new DCCV but still no air...