Fan Test Nissan Quest Youtube Parts:tyc 630890 nissan altima replacement radiator condenser cooling fan motor: amzn.to 2o2qnhl start earning money online automatically using the f. Depress the door switch 10 times right after key ok. key off then on again. horn will blip. car will run self test turning things on and off in succession including click (engaging) the ac clutch and then testing the fans. both fans run at all available speeds. this means fuse is good wiring is good and relays are good and the system can.
Diagnosing Overheating Bad Cooling Fans On Nissan Quest Without Tools The three black relays at the center of the ipdm are for cooling fan control. the top two relays are the ones we are interested in. the relay cover shows the terminal pin connections. first, removed the top cooling fan relay and stick a paper clip or jumper between pins 3 and 5, and another between pins 7 and 8. Hi all. the cooling fans on my quest are not turning on. even with the ac turned on, there are no fans running. the van has sat for 3 weeks and before 04 quest cooling fan issues nissanhelp forums. Shorted across the terminals in the fuse relay block and the fans ran. i read on another forum that it could be the ecu ecm. disconnected the two connectors to the ecu and didn't see any corrosion or anything, sprayed it down with contact cleaner and reseated them. still no fans even with the ac turned on. Turn ignition off. disconnect cooling fan relays no. 2 and 3. see fig. 6 . start engine. set a c temperature control lever to full cold position. turn a c switch and blower fan switch on. run engine at idle for several minutes. cooling fan should operate at low speed. if cooling fan does not operate, go to next step.
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