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thebesthonda, ASE MasterTechnician
Category: Acura
Satisfied Customers: 783
Experience:  26 years experience
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I have a 2005 Acura TSX without Navigation My a/c failed a

Customer Question

I have a 2005 Acura TSX without Navigation
My a/c failed a week ago. I took it to an automotive a/c shop and the guy said my compressor was bad. He replaced it and recharged the system. As I drove home, it wasn't working so I took it back. He said that it was working when he tested it. He tested the relays and said that the compressor relay wasn't grounding. He took the car to another shop down the road but they didn't have a chance to hook it up to a scanner. Any thoughts?
Submitted: 1 year ago.
Category: Acura
Customer: replied 1 year ago.
The mechanical parts are replaced, the system is recharged, he said the problem is either a sensor or something with the computer, but he didn't have a scanner to check.
Expert:  MASTER TECH replied 1 year ago.

Hello welcome to just answer I am master tech and will be able to assist you.

can you give me the details of the ac compressor,

did it lock up or made noise?

Customer: replied 1 year ago.
the compressor has been replaced. prior to it being replaced, there was no noise. as far as it locking up, I don't know. what I do know is the clutch didn't engage.
Expert:  MASTER TECH replied 1 year ago.

ok so most likely the coil failed and most auto shops will just replace the whole compressor assembly.

does the inside blower work at this time ?

Customer: replied 1 year ago.
Customer: replied 1 year ago.
no cold air, and compressor doesn't cycle
Expert:  MASTER TECH replied 1 year ago.

something does not make sense if the compressor is not grounding then a scanner will not be of any help and this will require wire and input and output testing from the pcm.

so sounds like a possible wire issue,

Customer: replied 1 year ago.
The compressor works when the relay is bypassed. The relay was replaced and tested and was working properly. He relay isn't grounding.
Expert:  MASTER TECH replied 1 year ago.


so what can I provide for you on this some electrical info like testing points ?

Expert:  MASTER TECH replied 1 year ago.

any news from that shop ?

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