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AC Problem most of the time nothing happens?

Tiny
TLORD1000
  • MEMBER
  • 2007 NISSAN ALTIMA
  • 2.5L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 224,000 MILES
When I turn on the air conditioner, most of the time nothing happens. If I leave it on, five to ten minutes later, the AC will kick in and work fine. I have also noticed that “the hotter the weather gets” the quicker the AC kicks in. What is going on with my AC? Is there a bad sensor or something?
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Wednesday, February 25th, 2015 AT 11:23 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Yep, this can happen when the compressor relay goes out which is part of the IPDM, you should do a CAN scan to confirm the problem but here is how to change it out and a guide to help you with the scan as well. You can get a CAN scanner (Controller Area Network) which will work on most cars from Amazon here is a video to show you how.

https://youtu.be/u-4syLc-ifQ

and

https://www.2carpros.com/articles/can-scan-controller-area-network-easy

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Wednesday, February 25th, 2015 AT 12:08 PM

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