Pull the AC actual values and codes using the CCU unit.
EC is on to keep compressor from damaging itself.
Actual values: engine on, ac set to auto @ 72f, press and hold rest for 5 secs, toggle through first 8 screens using left auto button. Post results.
will give you instruction for pulling the codes this evening if no one else does in the mean time.
*edit* link to code retreival
http://www.continentalimports.com/ser_ic40142.html