finnurb said:HI,
I have a 2013 SL and recently it started to constantly run the coolant fan in the hood while charging and also when I start the car. The battery heat indicator has never gone above three bars so it is not a heat problem I assume. Any ideas ?
69800 said:I have heard that too. I am guessing it is to keep the converter inverter cool while charging.....
Yep, I've heard the coolant pump always running when charging but have never observed the radiator fan (or any fan) running while charging. Then again, I hardly charge at home and mostly charge at work. But, I have sometimes checked on my car while it's charging.TomT said:You always hear the coolant pump running when it is charging but the fan should cycle on and off. It is a very different and much louder sound.
To pump coolant through the the onboard battery charger to cool it.69800 said:TomT
Why does the coolant pump run during charging??? Do you know?
69800 said:I did not know it was water cooled. I see now that they are running a coolant line all the way to the rear of the car where the charger is located. Seems like it would have be easier to air cool it back there somehow.
69800 said:Is this the same pump used for the car heater? If this pump failed would the computer know to stop the charging process in order to protect the charger?
I have the same car and I have the same problem, cooling fan is constantly running when charging. What was the part they changed to fix it? Thanks.godtian said:Hi have exactly the same problem, I have a 2015 Leaf SV with 5000 miles on it, they decide to change the VCM, i had to wait 1 month before receiving the part, they change it monday and unfortunately this have not solve the problem, so they ordered an other part yesterday and suppose to change it today. So im driving a stupid Micra for over than a month now.
The Nissan service is very very bad, they never call for feedback, yesterday I open a complaint at Nissan Canada, I hope they can fix an arrangement for me.
Do/can the radiator fans actually cool the battery?
Temperatures vary as much as 25*C between night and day.arnis said:Motor, inverter and onboard charger. Logic board does not get hot. Only power electronics (like inverter and charger,
both have losses, therefore lots of heat generated).
Well if your battery is like 10C above ambient, blowing air onto it would speed up cooling, but that only helps when
stationary and no charging/discharging/AC happens. And it's actually pointless.
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