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Discussion Starter · #1 ·
hi i have a 2002 aerio that will not engage the ac, i need a starting point for testing . locations of pressure switches and fuses and relays would be great as none of the covers are marked for identification of such. thanks
 

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Easiest way is to go to an ac specialist and get him to put a set of gauges on it and prove it actually has a charge in it first
 

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Discussion Starter · #3 ·
hi i have a 2002 aerio that will not engage the ac, i need a starting point for testing . locations of pressure switches and fuses and relays would be great as none of the covers are marked for identification of such. thanks
I am an ac specialist . I am a certified journeyman ac , I do have my gauges and read 90 psi equalized on both sides, what I really want to know is if its the relays or the clutch?
 

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Discussion Starter · #4 ·
I am an ac specialist . I am a certified journeyman ac , I do have my gauges and read 90 psi equalized on both sides, what I really want to know is if its the relays or the clutch?
Without any schematics at marking of relays I am kinda blind as to what's what
 

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Discussion Starter · #5 ·
Without any schematics at marking of relays I am kinda blind as to what's what
Look I really would like to test the pressure sensor without having to them , plus the computer signals is that so hard if so I guess like always I'll just buy the stupid service manual . if it had a owners manual that identified the relays or even the fuses that be great but now you even have to buy that on line . I thought the manufacturer always had no problem supplying owners with them on line .
 

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As am a/c specialist would you not have access to Mitchel ?

Can you not check the basics, like power to clutch (and OHM the clutch), low pressure switch..

Depending on the ambient temp, the rest pressure may be a tad high, but that is mutt..
 

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Discussion Starter · #7 ·
I do have mitchel on demand but it is temporarily not working on my computer, I don't use it to much any more. I am an ac journey may on rooftops, walk-in, ice machines, and industrial ammonia systems ,blast freezers etc. But way back when I did cars and household stuff. I know I'm just being lazy , I was hoping that with a schematic I wouldn't need to go under the car , remove some splash panels get access to the clutch so I can identify wires to test for amperage to the clutch if the low pressure is stuck open and do I even have a fing signal from my computer to send to the pressure switches. But that seems to difficult a question to ask . I guess I will go through the tape and panel so I can see what colors them wires might be.
 

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Discussion Starter · #9 ·
I apologise, I know everyone out there is just trying help me, but this is really frustrating. I thank you all for any advice you give.
Sincerely Trev Neufeld aka draxxlys
 

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No need to apologize, I can see by the look on your face, you are frustrated....

Unfortunately I don't have an Aerio to crawl under, and my Mitchel has run out...
 

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Discussion Starter · #11 ·
Well we tried, tomorrow I will fix the computer and pull it all up on Mitchell. Thanks for trying.
 
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