Re: [EVDL] Leaf heat no go.

[Lawrence Rhodes via EV]

 This is a 2016 Leaf S. Lawrence Rhodes 
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Re: [EVDL] Leaf heat no go.

[(-Phil-) via EV]

Yeah, the early Leaf used an electric glycol heater, which has probably
failed.   It's controlled by LIN from the HVAC controller.  Check the
coolant levels first just to be sure, and there also is a circulator pump
that must run, so that should be working as well.
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Re: [EVDL] Leaf heat no go.

[Jay Summet via EV]

Most Leaf's have resistive heating elements (except for those that have 
a heat pump...but since your AC is working and the heat is not, you 
probably don't have a heat pump).


Is is an early (2011-2013) model?  I've heard that the resistive heating 
element on those guys are prone to going out.  They are powered directly 
at pack voltage (in some models they have their own special connections 
to the main battery pack) so any 12v fuse would be only to operator the 
contactors inside the battery.


There are probably some diagnostic procedures you can try (disconnecting 
and testing the ohm reading of the heating element, etc...) before 
tearing your dash apart, you might check YouTube or an online service 
manual if you can find one.


Jay

On 2/3/23 18:19, Lawrence Rhodes via EV wrote:

  AC and defrost works but no heat is coming out. Should I start looking at 
fuses? I have an OBD dongle. Will the problem be detected by it? Lawrence Rhodes
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[EVDL] Leaf heat no go.

[Lawrence Rhodes via EV]

 AC and defrost works but no heat is coming out. Should I start looking at 
fuses? I have an OBD dongle. Will the problem be detected by it? Lawrence 
Rhodes 
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