Hi Scotty my name is Michelle I work on my own cars I'm a handyman and I do nails and hair during the day my dad taught me and I love watching your show and going to you for information I have a 2012 Toyota Corolla with 89,000 miles on it the oil has always been changed and it has been well maintained it's been giving me a little bit of issues in August the AC just stopped working between August and now I have been smelling a foul smell every now and then coming from the car now I only get heat when I'm driving I cannot hook up a OBD tool because when I do it throws the ABS and the track off lights on and it will not connect it says it cannot connect it cannot communicate with the car I am wondering if they're all related I just watched your video about the mass air flow and I'm going to try cleaning that but I just wanted your opinion thank you so much Michelle <personal info redacted -mod> from Virginia
2012 Toyota Corolla 1.8 L vin# 2t1bu4ee9cc766814
Welcome to the forum , Michelle. Do not post your personal information here, or really anywhere publicly on the internet, where millions of people, some unscrupulous, are able to harvest it. Please be more careful online. All answers to your question will come in the form of replies on this page only. Nobody should be contacting you at home. Using grammar and punctuation to make your question less painful for others to read wouldn't hurt either. Thanks.
the AC just stopped working
what do you mean by "stopped working", please?
Be specific. The air coming out isn't cold, or... the air doesn't blow at all ... ?
have been smelling a foul smell
OK inside the car I presume, and coming out of the vents, or just in general? What does it smell like?
We have plenty of topics about de-odorizing the climate control system so look them up with the search.
cannot communicate with the car
what kind of tool are you using? Take a quick look inside the OBD connector to make sure it isn't damaged or dirty, and check your fuses.
the mass air flow and I'm going to try cleaning that
The MAF sensor is for your engine and has nothing to do with the problems you described. I would leave it alone if I were you.
The AC stopped blowing out cold air
It could be a problem in the mechanics or electronics of the AC system itself, or possibly your temperature blend door is not working. Have you checked static and operating system pressures with a manifold gauge set? That's generally the first step in diagnosing AC problems if there's nothing obvious like a blown hose or noisy compressor staring you in the face.
It appears that car has a computer-controlled compressor that utilizes a control valve instead of a clutch (per the rockauto.com database). You'd need a professional-grade bidirectional scan tool to do thorough diagnostics on a setup like.
The AC stopped blowing out cold air