03 MDX AC problem NEED HELP!!!!!!!!!!
#1
03 MDX AC problem NEED HELP!!!!!!!!!!
I have a 03 MDX and the AC suddenly stopped working. I have had the ac system vacuumed down and refilled, I have checked the compressor and clutch both seem fine however the compressor doesn't turn on (not getting power). Its not a fuse because I've checked them all, its not the relay under the hood (checked & switched) I have checked the hi pressure switch (seems good). Ive even pulled the blower apart and jumped the thermal switch (no help). I am out of Ideas!!!!!! Can someone lend hand with some suggestions on what else it could be?????
#2
I had a similar AC problem with my 03 MDX about 3 years ago. After some research, I brought it to my dealership. They stated that the compressor stopped working. They fixed it for a little more than $400. Later I checked the consumer report and found AC & climate control are weak spots for 03 MDX. By the way, a year later, the fan for climate control was out of order and the dealer replaced it for $200+. These are the only problems with my MDX and overall, I am very happy with it and it still runs like new.
#3
You should be getting power to that single pin connector at the compressor and both fans should turn on when you turn the a/c on. If you do, then your problem lies within the field coil (stator) or clutch clearance. The field coil should have continuity between the unplugged connector and compressor body itself. About 4-4.3 ohms.
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Rockals (07-17-2013)
#5
No, that is assuming you are getting power at the connector. Are your fans coming on when you turn the a/c on? Jumping the pins at the fuse box wont make a difference if your stator is bad. Don't worry about your blower motor or anything else as long as they were working before your a/c stopped. The lines coming off the compressor are common to leak btw...I'm assuming your system is leak free and filled properly?
#6
Nope!
I'm not getting power to my voltage to my compressor.
Yes before I started troubleshooting this I had it vacuumed down and recharged.
Is there a high and a low pressure switch in this system or is the low press. switch regulated through the cpu?
I'm not getting power to my voltage to my compressor.
Yes before I started troubleshooting this I had it vacuumed down and recharged.
Is there a high and a low pressure switch in this system or is the low press. switch regulated through the cpu?
#7
Check for voltage at pin 1 of the relay. Remove the relay and check for voltage between the pin 1 and body ground. Below is the orientation of the relay
--------------------1
--------------------2
------------------4 3
--------------------1
--------------------2
------------------4 3
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siularbar
1/2G MDX (2001-2013)
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09-11-2015 10:40 AM