AC Will not Blow cold air

2007 NISSAN MURANO

170,000 MILES • 3.5L • V6 • AWD • AUTOMATIC

SSHEFF

MEMBER
1 POST

I have had my AC compressor changed three times, and the Freon is full. The fan system is working but only blows hot air. My mechanic says there is not any power going to the compressor, but is not sure if it is an issue with the internal computer or the AC relay. He also is not sure where the relay would be. Any help or advice would be welcome.

Apr 15, 2017 at 3:37 PM

STRAILER

✓ASE Certified Mechanic
54,840 POSTS

Hello,

It sounds like it could be a fuse or some wiring problem, I have included a wiring diagram so you can test if the compressor is getting power or not, if so then i could be a blend door actuator problem.

Here are some guide to help you troubleshoot the problem.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

and

https://www.2carpros.com/articles/replace-blend-door-motor

and

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Please run some tests and get back to us so we can continue helping you.

Best, Ken

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Apr 17, 2017 at 4:41 PM

JULES52000

MEMBER
1 POST

If you had you alternator replaced and air stopped working are the two related?

Jun 5, 2019 at 6:53 PM (Merged)

MHPAUTOS

✓ASE Certified Mechanic
31,937 POSTS

Hi there,

There is no direct relationship between the two items expect it sounds like the compressor wiring got disconnected during the repair and not reconnected. If it is connected here is a guide to help you see whats going on.

https://www.2carpros.com/articles/car-air-conditioner-not-working-or-is-weak

Please run down this guide and report back.

Jun 5, 2019 at 6:53 PM (Merged)

WDWEXPLORE

MEMBER
0 POST

I had this problem and had to recharge the system all set! Great guide BTW

Jun 5, 2019 at 6:54 PM (Merged)

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