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Old 02-18-2017, 02:53 AM   #1
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VQ35 doen't start, radiator fan constant

Hi all,
I am 1st year Auto Apprentice. I need help. I was working on Infinity 2003 model VQ35. Vehicle came with camshaft position sensor problem (OBD scan). Engine start but long crank.

I removed the CPS harness and tested power supply. However, accidently touched the power source (inserted paper clip) with the body frame (while key was on ACC) and there was a spark.Then radiator fan started running constantly at ACC (even engine was cold), Engine light symbol was gone and engine does not start anymore but just cranking.

I checked all the fuses, including radiator fuses. (but have not checked relays yet).

What could be the problem? Thank you for any suggestion and help.
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