Radiator fan relay

A forum for lovers of Infiniti's hot-rod crossover, the FX! In 2014, all FX models will be named Infiniti QX70, in line with Infiniti's new naming structure.
crankor
Posts: 91
Joined: Fri Mar 28, 2025 3:59 am
Car: 2011 Infiniti FX35

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Does anyone know which relay controls the radiator fan on a 2011 fx? Theres nothing that is directly saying its for the cooling fan/radiator on any of the fuse boxes other than a 50 amp square fuse. Closest thing to it would maybe be the pmw relay?

* I ended up pulling the pmw relay (the only one i had in that particular box) and did the multimeter test and it read 89 so from that i would assume its working. although i tried using a 9 volt battery on it and didn't hear it turn on but i think i needed a 12v anyway for that to work. Sooo i'm out of ideas as to why my radiator fans aren't working. They don't turn on through the scan tool either.


crankor
Posts: 91
Joined: Fri Mar 28, 2025 3:59 am
Car: 2011 Infiniti FX35

Post

i guess the cooling fan module i already replaced with a newer used one could be bad?

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VStar650CL
Technical Expert
Posts: 11927
Joined: Thu Nov 12, 2020 1:25 pm
Car: 2013 Nissan Altima 2.5 SL
2004 Nissan Altima 2.5 S

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In those setups, all the fan relay does is supply battery voltage to the control module. If the module has 12V power with the key on, the relay isn't the issue.


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