[Ovmsdev] Nissan Leaf remote Climate issue

Tom Parker tom at carrott.org
Thu Jun 14 08:46:33 HKT 2018

On 11/06/18 00:18, Stein Arne Sordal wrote:
> As far as I can see, when the climate control is activated, the OVMS 
> module is supposed to detect when the car is turned on and then 
> disable climate control.
> This does not work very good. My car starts climate control when I 
> park the car one hour later. This will drain the battery if not 
> manually disabled.

Yes, this isn't a problem on my 2012 car -- it turns off by itself. 
However it is a problem in model year 2013 and onwards. The OVMS is 
supposed to turn off the climate control after a suitable time or when 
the car is turned on, but this isn't something I've tested a lot as I 
haven't had a chance to make the hands-free microphone work when the TCU 
is unplugged on my 2016 car.

> The solution:
> The original TCU sends a frame after all the "start CC" frames.
> The frame looks like this, and is sent only one time:
> data[0] = 0x46;
> data[1] = 0x08;
> data[2] = 0x32;
> data[3] = 0x00;
> This will cause the climate control to stop after 15 min (if not 
> connected to grid), or when car is turned on.

Thank you! I'll test this out over the weekend.

Do you have can bus captures from car with working Nissan Connect? My 
car has Nissan Connect but it doesn't work because it was originally 
built for Japan and it's now in New Zealand and I don't have a capture 
of what Nissan do.

I believe you have a 2016 car, and this information is for that model 
year? Do you happen to know (or does anyone else know) whether this is 
an equivalent for the 2013 through 2015 model years?

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