z-ya Posted January 16, 2009 Share Posted January 16, 2009 Anyone use the aux fan control on a RB25 NEO motor? According to the R34 manual the ECU uses coolant temp (CLT) and the AC switch position to control the fan If it is like my 350Z, then if the AC switch is on, the fan runs continuously. I want to use the Aux fan relay to control a cooling fan to eliminate the mechanical fan. I am assuming that as long as the ECU thinks that the AC is off, it will only use CLT to control this fan. Sounds reasonable? Pete Quote Link to comment Share on other sites More sharing options...
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