stjohnh
Posts: 363
Joined: Tue Jun 18, 2013 4:27 pm
Delivery Date: 10 Jun 2013
Leaf Number: 409675
Location: Palo Alto, CA

Re: HVAC (A/C) cuts out

Wed May 08, 2019 5:41 am

Marktm wrote:
Ordered a new filter - appears easy to replace
...

Thanks for the info.
I haven't changed mine, but many here have reported the approved way of replacing the cabin filter is very difficult. Much easier to remove the glove box entirely to get at the filter.
Blessings,
Holland

2 LEAFS, bought 1 week apart. 2013 S for me, 2013 SV is wife's. Both manufactured May 2013. I lost first bar at 36,000. Wife still has all bars at 50,000.

WetEV
Posts: 3215
Joined: Fri May 04, 2012 8:25 am
Delivery Date: 16 Feb 2014
Location: Near Seattle, WA

Re: HVAC (A/C) cuts out

Wed May 08, 2019 11:31 am

dsh wrote:I have submitted Case # 35668713 to EV Customer Service re: 2011- Current LEAF's A/C Blowing Warm Air Intermittently. if anybody experiences or has the same issues, please add your complaints to the Case # above... maybe Nissan will finally get this corrected and/or offer a software update, as it appears a previous software update caused the problem in the first place.
Why do you make me see this three times?
WetEV
#49
Most everything around here is wet during the rainy season. And the rainy season is long.
2012 Leaf SL Red (Totaled)
2014 Leaf SL Red
2019 eTron Blue

User avatar
Marktm
Gold Member
Posts: 518
Joined: Thu Jan 21, 2016 10:49 am
Delivery Date: 09 Jan 2016
Leaf Number: 022737
Location: Houston, TX

Re: HVAC (A/C) cuts out

Fri May 10, 2019 3:37 pm

stjohnh wrote:
Marktm wrote:
Ordered a new filter - appears easy to replace
...

Thanks for the info.
I haven't changed mine, but many here have reported the approved way of replacing the cabin filter is very difficult. Much easier to remove the glove box entirely to get at the filter.
I did replace the air filter end of last summer - it was fairly easy, in fact if I remember, closing the cover was the most difficult, but it's been over a week ago :roll: !! I did not have any more issues with the A/C cutting out, but the hottest part of the TX summer is coming, so I'll see how it goes.
2012 Leaf SL; 43,000 miles. Battery replaced November 1st, 2016.

Lothsahn
Posts: 539
Joined: Thu Apr 05, 2018 4:35 pm
Delivery Date: 04 Jan 2018
Leaf Number: 007797

Re: HVAC (A/C) cuts out

Fri May 10, 2019 5:38 pm

My AC cut out after sitting still 3 hours in 95F heat in the sun. I was using my car as an office at the time. Power draw was 3-4kW, then went to 0 suddenly. I drove the car for 1 mile at 35mph and it suddenly came back strong, only drawing 1-1.5kW.

I was told on the forums there was a firmware update for the AC that cut the cooling power for early 2011s under certain conditions. But it's only happened when stationary once so I've never done anything about it.

If you we're driving at all when this happened, I suspect something is wrong with the car. I would replace the cabin air filter, and if it continued, check freon levels and whether the outside coil is obstructed.
2011 Silver SV, purchased 2018, lives in Missouri (previously in CA)
LeafSpy Pro + BAFX Products OBDII dongle
Battery swap 2019/04/24 (87% SOH, 12 bar)

Oilpan4
Gold Member
Posts: 956
Joined: Wed Jan 09, 2019 10:51 pm
Delivery Date: 10 May 2018
Leaf Number: 004270

Re: HVAC (A/C) cuts out

Fri May 10, 2019 6:18 pm

Mine leaks.
That's why it doesn't work.
2011 white SL leaf with 2014 batt.
Chargers: Panasonic brick moded for 240v, duosida 16a 240v and a 10kw setec portable CHAdeMO
Location: 88103

dsh
Posts: 170
Joined: Sat Aug 04, 2012 10:29 pm
Delivery Date: 01 Mar 2011
Leaf Number: 001069

Re: HVAC (A/C) cuts out

Sun May 12, 2019 2:54 pm

Lothsahn wrote:My AC cut out after sitting still 3 hours in 95F heat in the sun. I was using my car as an office at the time. Power draw was 3-4kW, then went to 0 suddenly. I drove the car for 1 mile at 35mph and it suddenly came back strong, only drawing 1-1.5kW.

I was told on the forums there was a firmware update for the AC that cut the cooling power for early 2011s under certain conditions. But it's only happened when stationary once so I've never done anything about it.

If you we're driving at all when this happened, I suspect something is wrong with the car. I would replace the cabin air filter, and if it continued, check freon levels and whether the outside coil is obstructed.
This is exactly the problem we're having...doesn't just happen while stationary it also happens while driving. It has nothing to do with the air filter or the freon levels or the condenser fin coils. I notice it more cuz I'm in Phoenix and it gets regularly up 115 degrees in the summer....

Anybody with the new 62 kWh Leaf Plus have the same intermittent A/C blowing warm issue?
SL-e

Lothsahn
Posts: 539
Joined: Thu Apr 05, 2018 4:35 pm
Delivery Date: 04 Jan 2018
Leaf Number: 007797

Re: HVAC (A/C) cuts out

Sun May 12, 2019 9:15 pm

dsh wrote:
Lothsahn wrote:My AC cut out after sitting still 3 hours in 95F heat in the sun. I was using my car as an office at the time. Power draw was 3-4kW, then went to 0 suddenly. I drove the car for 1 mile at 35mph and it suddenly came back strong, only drawing 1-1.5kW.

I was told on the forums there was a firmware update for the AC that cut the cooling power for early 2011s under certain conditions. But it's only happened when stationary once so I've never done anything about it.

If you we're driving at all when this happened, I suspect something is wrong with the car. I would replace the cabin air filter, and if it continued, check freon levels and whether the outside coil is obstructed.
This is exactly the problem we're having...doesn't just happen while stationary it also happens while driving. It has nothing to do with the air filter or the freon levels or the condenser fin coils. I notice it more cuz I'm in Phoenix and it gets regularly up 115 degrees in the summer....

Anybody with the new 62 kWh Leaf Plus have the same intermittent A/C blowing warm issue?
As I understand it, dsh, you should not be experiencing this issue. If you have a 2011 or possibly a 2012, I'd call a knowledgeable dealership and see if there are any TSB's about the AC cutting out. Since we don't have 115F here, and I don't plan on running the AC without moving the car for >3 hours, I haven't bothered to fix it on mine.
2011 Silver SV, purchased 2018, lives in Missouri (previously in CA)
LeafSpy Pro + BAFX Products OBDII dongle
Battery swap 2019/04/24 (87% SOH, 12 bar)

User avatar
OrientExpress
Posts: 1503
Joined: Sun Aug 08, 2010 12:22 pm
Delivery Date: 10 May 2011
Leaf Number: 2331
Location: San Jose, Ca

Re: HVAC (A/C) cuts out

Tue May 14, 2019 11:10 am

This is probably on purpose. Most vehicles will cut off things that are being used in the accessory mode after a while to preserve the 12v battery from dying. OR the heat pump may not have have reached a limit for use when the car is stationary.

Run the for a bit and then it will reset its timer.
2018 LEAF SL
Gun Metalic
Delivery April 10 2018

Prior LEAF:
2014 LEAF SV
Ocean Blue
Delivery May 23 2014
50,000+ miles - all 12 bars - Same range as new - No warranty issues ever!

LeftieBiker
Moderator
Posts: 13459
Joined: Wed May 22, 2013 3:17 am
Delivery Date: 30 Apr 2018
Location: Upstate New York, US

Re: HVAC (A/C) cuts out

Tue May 14, 2019 2:11 pm

OrientExpress wrote:This is probably on purpose. Most vehicles will cut off things that are being used in the accessory mode after a while to preserve the 12v battery from dying. OR the heat pump may not have have reached a limit for use when the car is stationary.

Run the for a bit and then it will reset its timer.
<sigh> First, the A/C doesn't run in Accessory mode - it's a high voltage unit that requires Ready Mode. Second, you left a rather necessary word (car?) out of your suggestion and one of the sentences doesn't make sense as written. I wish that people posting from cell phones would check the post before sending it, especially when offering advice.
Scarlet Ember 2018 Leaf SL W/ Pro Pilot
2009 Vectrix VX-1 W/18 Leaf modules, & 3 EZIP E-bicycles.
BAFX OBDII Dongle
PLEASE don't PM me with Leaf questions. Just post in the topic that seems most appropriate.

GerryAZ
Gold Member
Posts: 2296
Joined: Mon Nov 22, 2010 6:47 pm
Delivery Date: 12 Jun 2011
Location: Phoenix, AZ

Re: HVAC (A/C) cuts out

Sun May 19, 2019 4:09 pm

dsh wrote:
Lothsahn wrote:My AC cut out after sitting still 3 hours in 95F heat in the sun. I was using my car as an office at the time. Power draw was 3-4kW, then went to 0 suddenly. I drove the car for 1 mile at 35mph and it suddenly came back strong, only drawing 1-1.5kW.

I was told on the forums there was a firmware update for the AC that cut the cooling power for early 2011s under certain conditions. But it's only happened when stationary once so I've never done anything about it.

If you we're driving at all when this happened, I suspect something is wrong with the car. I would replace the cabin air filter, and if it continued, check freon levels and whether the outside coil is obstructed.
This is exactly the problem we're having...doesn't just happen while stationary it also happens while driving. It has nothing to do with the air filter or the freon levels or the condenser fin coils. I notice it more cuz I'm in Phoenix and it gets regularly up 115 degrees in the summer....

Anybody with the new 62 kWh Leaf Plus have the same intermittent A/C blowing warm issue?
My 2011 did and my 2015 does work very well as a portable office in Phoenix. Although the compressor will not run at full speed while parked, it still provides very good cooling even on the hottest days. There was a software update for 2011 models that did several things, one of which was to reduce the maximum allowable compressor speed when the car was parked or moving less than 18 mi/hr (threshold for pedestrian warning noise). Based upon my observations of the 2015, that programming was carried forward because compressor power draw increases and discharge air temperature decreases when vehicle speed gets above 18 mi/hr during really high ambient temperatures (it is not noticable at moderate temperatures). I have never seen the over temperature error codes nor had the air conditioning cut out as described in several posts in this thread (with either 2011 or 2015) so there is something wrong with those cars. Possible causes include condenser fans not moving enough air (due to condenser blockage or fans running too slow), evaporator icing (due to low circulating fan speed or restricted cabin air filter), or incorrect refrigerant charge (not likely because system is hermetically sealed). I have seen the same symptoms with gasoline engine vehicles when the electric condenser fan was not operating at all, variable speed controller for the condenser fan was not running the fan fast enough, and/or the thermostatic fan clutch for the engine-driven fan was not working correctly (also caused coolant temperature to climb). I have also seen failing electric condenser fans just run slower than normal and not move enough air even though they sound like they are working.
Gerry
Silver LEAF 2011 SL rear ended (totaled) by in-attentive driver 1/4/2015 at 50,422 miles
Silver LEAF 2015 SL purchased 2/7/2015; traded 8/10/2019 at 82,436 miles
White LEAF 2019 SL+ purchased 8/10/2019

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