Need Help - Cooling Fans - Nissan 350Z Forum, Nissan 370Z Tech Forums
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post #1 of 2 (permalink) Old 05-30-2019, 09:34 AM Thread Starter
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Need Help - Cooling Fans

Good afternoon,

I purchased a 2003 350z and am having issues with the cooling fans.

I put new aftermarket fans on it and they turn on high & low only during the forced diagnostic test (key cycle & 10x door switch method)

The dash temp gauge appears to work correctly and even turning the AC on does not activate the fans.

Please let me know if you have any ideas or tips on what to check or how to fix.

Thank you
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post #2 of 2 (permalink) Old 05-31-2019, 10:32 AM
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Have you used the Z's diagnostic system and pulled codes from the ECM or BCM systems? That should always be a first step.
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