Thank you, Cor.
--
-Chris
On July 7, 2017 11:50:56 PM CDT, Cor van de Water via EV <[email protected]>
wrote:
>BTW,
>You can immediately see it if you know what to look for:
>left of the steering wheel are 3 black buttons. The middle one is the
>timer override ("charge now")
>and the button closest to the steering wheel is the steering wheel
>heater, it literally looks like a
>roasting steering wheel with a pictogram of a steering wheel and 3
>squiggly lines rising from it...
>
>-----Original Message-----
>From: EV [mailto:[email protected]] On Behalf Of Cor van de
>Water via EV
>Sent: Friday, July 07, 2017 7:55 PM
>To: Chris Meier
>Cc: Electric Vehicle Discussion List
>Subject: Re: [EVDL] Weird Nissan Leaf behavior: 3rd charging
>lightblinks
>after new pack install: cold weather package...
>
>Chris:
>1- battery heaters (originally 2011 Leafs have a 3rd battery connector
>for this but apparently since 2012 the battery heaters are controlled
>by
>the LBC temp measurement and then engaging a small contactor to send
>the
>HV to the heaters internally, so no 3rd connector and external relay,
>which makes the battery indistinguishable as whether it has heaters,
>other than from the part nr. Apparently also the LBC programming is
>different)
>
>2- seat heaters
>3- steering wheel heater
>Hope this clarifies,
>Cor
>
>> On Jul 7, 2017, at 7:35 PM, Chris Meier <[email protected]> wrote:
>>
>> Cor, could you please describe the options/features/differences that
>make up the cold weather package?
>> --
>> -Chris
>>
>>> On July 7, 2017 5:58:46 PM CDT, Cor van de Water via EV
><[email protected]> wrote:
>>> Exactly,
>>>
>>> Either I will find a way to re-program my current LBC to support the
>
>>> cold weather package
>>>
>>> or I will have to find an LBC from a cold weather package battery (I
>
>>> might have one by next week)
>>>
>>> and I have even considered adding a little circuit that disables one
>
>>> contactor as soon as the ignition is off,
>>>
>>> but I figured that it will need to be enabled when either Charging
>is
>
>>> active or Ignition is on, so it needs to
>>>
>>> combine those two signals and then use that combined signal to
>enable
>
>>> a contactor.
>>>
>>> This will likely throw an error when the car tries to charge the 12V
>
>>> battery from the HV pack.
>>>
>>> And I do not know if the car will turn off and sleep if it can't
>>> charge the 12V battery,
>>>
>>> so it might drain the 12V battery instead of the HV pack.
>>>
>>> When putting a disconnect on the 12V battery, you also make it
>>> impossible to open (or lock) the car with the FOB,
>>>
>>> so every time you want to use the car, you need to pull out the
>>> mechanical key, open the driver door
>>>
>>> (the only door with a mechanical lock), pull the hood release, open
>>> the hood, reconnect the 12V and close hood.
>>>
>>> When parking the car for a longer period, you would need to: stop
>the
>
>>> car (not turn off) and pull hood release,
>>>
>>> open hood and disconnect 12V battery, close hood, then get in the
>>> car, lock all doors manually, raise windows, turn car off so it
>dies,
>>>
>>> get out and then lock driver door manually with key.
>>>
>>> Not to mention setting time and radio stations...
>>>
>>> There must be a easier way...
>>>
>>> (Of course, I should have matched the car with cold weather package
>>> with the battery, if I had known in advance....)
>>>
>>> Cor.
>>>
>>>
>>>
>>> From: damon henry [mailto:[email protected]]
>>> Sent: Friday, July 07, 2017 5:44 AM
>>> To: ROBERT; Cor van de Water; Electric Vehicle Discussion List
>>> Subject: Re: [EVDL] Weird Nissan Leaf behavior: 3rd charging light
>>> blinks after new pack install: cold weather package...
>>>
>>>
>>>
>>> You do realize this is for switching off the 12v SLA battery usually
>
>>> when it is not under load right?
>>>
>>>
>>>
>>> I've used a bunch of these over the years and they are fairly beefy
>>> for the job they are asked to do. I even have one on my motorcycle
>>> and it easily carries my full traction pack voltage and current 48v
>400 amps.
>>> I don't expect it to switch that off under load, but I put it in the
>
>>> circuit so that I could completely disconnect my motor controller
>>> during charging. I have a properly rated contactor on the other
>side
>
>>> of the circuit for any emergency shut offs.
>>>
>>>
>>>
>>> These switches are more than up to the task of disconnecting the 12
>>> volt battery for years without fail. I'm just not sure if Cor is
>the
>
>>> type to settle for an ugly hack like this to a complicated problem.
>
>>> He seems more like the type to grind through and uncover a proper
>>> solution, but even if that is the case this could be a temporary
>>> solution.
>>>
>>>
>>>
>>> Damon
>>>
>>>
>>>
>>>
>>>
>>> ________________________________
>>>
>>> From: ROBERT <[email protected]>
>>> Sent: Thursday, July 6, 2017 12:30 PM
>>> To: Cor van de Water; damon henry; Electric Vehicle Discussion List
>>> Subject: Re: [EVDL] Weird Nissan Leaf behavior: 3rd charging light
>>> blinks after new pack install: cold weather package...
>>>
>>>
>>>
>>> A battery cut off switch with only weak mechanical specs. No
>maximum
>
>>> number of switching operations, etc. Now, that is interesting.
>>>
>>>
>>>
>>> ________________________________
>>>
>>> From: EV <[email protected]> on behalf of damon henry via EV
>
>>> <[email protected]>
>>> Sent: Thursday, July 6, 2017 7:37 AM
>>> To: Cor van de Water; Electric Vehicle Discussion List
>>> Subject: Re: [EVDL] Weird Nissan Leaf behavior: 3rd charging light
>>> blinks after new pack install: cold weather package...
>>>
>>>
>>>
>>> Hi Cor,
>>>
>>>
>>> I'm not sure how much help you will get on a proper solution as you
>>> are kind of out there on the bleeding edge with the Leaf battery
>>> replacement thing and usually the one providing the answers :)
>>>
>>>
>>> A possible hack might be installing a battery cutoff switch for the
>>> 12 volt battery. Harbor Freight sells them for $8.
>>>
>>> https://www.harborfreight.com/battery-cutoff-switch-63425.html
>>>
>>> <https://www.harborfreight.com/battery-cutoff-switch-63425.html>
>>>
>>> Battery Cutoff Switch - Harbor Freight Tools
>>> <https://www.harborfreight.com/battery-cutoff-switch-63425.html>
>>>
>>> www.harborfreight.com
>>>
>>> Amazing deals on this Battery Cut Off Switch at Harbor Freight.
>>> Quality tools & low prices.
>>>
>>>
>>>
>>>
>>> Damon
>>>
>>>
>>> ________________________________
>>> From: EV <[email protected]> on behalf of Cor van de Water
>>> via EV <[email protected]>
>>> Sent: Monday, July 3, 2017 6:11:47 PM
>>> To: [email protected]
>>> Subject: [EVDL] Weird Nissan Leaf behavior: 3rd charging light
>blinks
>
>>> after new pack install: cold weather package...
>>>
>>> OK, I did something to my Leaf that I need to get fixed, because now
>
>>> the Leaf is charging the 12V battery whenever the car should be
>>> asleep,
>>>
>>> as a result it is losing charge from the main pack.
>>>
>>> It started two days ago when I removed the new (warranty replacement
>>> battery) from this 2012 Leaf SL with cold weather package.
>>>
>>> I do not know why it has a cold weather package, being in California
>
>>> it never gets below freezing in a car so a cold weather package is
>>> quite odd, but anyhow.
>>>
>>> I installed a 2011 battery, apparently without cold weather package
>>> knowledge in the LBC.
>>>
>>> Since then, every time the car is supposed to sleep, it starts
>>> blinking the 3rd charging LED and is actually charging the 12V
>>> battery to 14.4V continuously,
>>>
>>> resulting in 1 mile range loss every hour.
>>>
>>> Anybody have a clue how to get the car to stop being confused about
>>> the cold weather package?
>>>
>>> Does the LBC need to be reprogrammed? I can modify the configuration
>>> (serial) memory of the LBC, if I know what to change.
>>>
>>> Or should I have the car's computer reprogrammed to tell it to
>forget
>
>>> about the cold weather package? I do not need it!
>>>
>>> Don't really want to pull the 12V battery contact off every time I
>>> want to park the car more than a day and the energy loss
>>>
>>> is quite a waste as well...
>>>
>>> Any Leaf experts out there?
>>> Cor.
>>>
>>>
>>>
>>> BTW, the model nrs of the new 2017 battery that I removed and the
>>> 2011 battery that I installed:
>>>
>>> 2017 battery: 295B09RB9D
>>>
>>> 2011 battery: 295B03NA0A
>>>
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