Audi Repair Questions? Ask a Mechanic for Answers ASAP
Welcome, I'm Chris (aka Moose) I prefer to work when others don't, I am here around lunch and after dinner till after midnight.working after noon till just after midnight.
Your vehicle is not like others. There is not an AC clutch, there is not an AC relay. Your compressor runs all the time and is regulated by a valve and the vehicle electrical systems control module. You can see that in this diagram. https://dl.dropboxusercontent.com/u/90220402/audiAC.pdf There is alot more to diagnosing this AC system than just checking fuses and relays. A scan tool is needed, do you have one?
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Most cell phone scan tools are no where near complex enough but we can try. Do you know if you have the base or comfort model HVAC system?
Hello again Chris here,