2002 QX4 A/C Problem

A forum for the legendary Nissan Pathfinder and Infiniti QX4.
Israelpr
Posts: 36
Joined: Sun Sep 11, 2011 12:43 pm
Car: 2002 Infiniti QX4, 6 cylinder, 2WD

Post

When I start the QX4 the A/C blower starts blowing (fan only). When I press the a/c button, cold air comes out. The problem is that I cannot control the fan speed. It continues to blow cold air constantly and I cannot adjust it or turn it off. Any ideas as to what the problem is?


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Towncivilian
Posts: 4868
Joined: Sun May 23, 2010 10:21 am
Car: 2001.5 Nissan Pathfinder SE 3.5L 2WD A/T
2007 Nissan Altima 2.5L CVT
2012 Nissan Sentra 2.0L CVT Special
2012 Infiniti G37 Sedan 7A/T
Location: Florida, USA
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Post

Replace the fan control amplifier. See this thread.

Israelpr
Posts: 36
Joined: Sun Sep 11, 2011 12:43 pm
Car: 2002 Infiniti QX4, 6 cylinder, 2WD

Post

Towncivilian - I followed the thread you suggested and it worked out perfectly! I bought the module assembly from ebay and installed it myself...quick and easy. Thanks to you and the guy that provided the detailed thread. Happy holidays.


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