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LEAFer
Posts: 2647
Joined: Mon May 24, 2010 10:10 am
Delivery Date: 19 Jan 2011
Leaf Number: 000215
Location: Sacramento Area

Re: LEAFer's LEAF on GIDs

Tue Jun 18, 2013 10:06 am

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2011 Silver SL+QC [Mfg: 11/2010] 36mo/15k LEASE
06Jun2013 Status [28.5 months][34,173 miles][11 bars]
Lost CapacityBar 6/6/13 @34,173 miles while in LEAF Battery Monitor: 83.41%, 71.4F (avg); cool overnight;

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DaveEV
Posts: 6245
Joined: Fri Apr 23, 2010 3:51 pm
Location: San Diego

Re: LEAFer's LEAF on GIDs

Tue Jun 18, 2013 11:27 pm

Well, the data doesn't point to any magical increases in total from-the-wall recharge gains, so logically any improvement in range from the reflash is from simply moving the LBW and or VLBW points up. At Turtle/Shutdown, 80% and 100% the cell-pair voltages appear to be nearly identical.

It's too bad you don't have data from either of those two data points before/after the reflash - I think that would identify where the capacity is hidden.

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LEAFer
Posts: 2647
Joined: Mon May 24, 2010 10:10 am
Delivery Date: 19 Jan 2011
Leaf Number: 000215
Location: Sacramento Area

Re: LEAFer's LEAF on GIDs

Wed Jun 19, 2013 6:23 pm

Yeah ... sorry, I did not take careful data while trying to reach Turtle. Maybe some one else could ?

I do remember that LBW came on at 58 'Gids during the second Turtle run, don't remember VLB. Today (just a regular long trip) LBW came on at 63 'Gids.

And something else happened today. See data sheet below. As I have time I'll try to track and update, but today in particular I noticed SOC increased after a remote Climate Control session, and AGAIN while waiting in the car (power on, radio on, HVAC off) for the wife unit ...

Image
2011 Silver SL+QC [Mfg: 11/2010] 36mo/15k LEASE
06Jun2013 Status [28.5 months][34,173 miles][11 bars]
Lost CapacityBar 6/6/13 @34,173 miles while in LEAF Battery Monitor: 83.41%, 71.4F (avg); cool overnight;

User avatar
LEAFer
Posts: 2647
Joined: Mon May 24, 2010 10:10 am
Delivery Date: 19 Jan 2011
Leaf Number: 000215
Location: Sacramento Area

Re: LEAFer's LEAF on GIDs

Fri Jun 21, 2013 9:41 pm

As time allows I will use this post on a continuous basis with updates.

"Charge 80%" data is based on an EndTimer of 7am, but the actual data may not be taken until a little later in the day, with the car plugged in usually until the time the data was actually recorded.

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Erratum: 6/22 Odo Reading was 1,000 too high on 6/22 edit of above image.
Comment on 6/26/13: Was 79.6% SOC but screenshots were lost and by 2nd attempt LEAF had been "ON" for a while.
Comment on 6/27/13: Car was not driven prior day; parked in garage all day.
Comment on 6/28/13: Prior day was near 100F high. Ended 6/27 with 1 FuelBar; 80% charge parked outside completed at 05:58am (7am EndTimer), overnight low around 68F.
Comment on 7/16/13 13:49: First time Ahr increased. SOH still lower than before. Also, the 6th TB came on after driving 34 miles and about 30 seconds before parking at home.

GENERAL COMMENT: Pre-P3227 was 54.85Ahr on 6/17/2013 with Odo 34,523.
On 7/24/2013 AHr dropped below Pre-P3227 reprogramming (after 37 days, 932 miles).
On 8/12/2013 the new version (v026m2) seemed to "raise" the % Capacity for no particular reason, despite no adjustments taken in "Settings".
On 8/18/2013 the AHr capacity did not "drop" for the first time despite a long drive the day before.
Last edited by LEAFer on Sun Aug 18, 2013 1:06 pm, edited 2 times in total.
2011 Silver SL+QC [Mfg: 11/2010] 36mo/15k LEASE
06Jun2013 Status [28.5 months][34,173 miles][11 bars]
Lost CapacityBar 6/6/13 @34,173 miles while in LEAF Battery Monitor: 83.41%, 71.4F (avg); cool overnight;

User avatar
LEAFer
Posts: 2647
Joined: Mon May 24, 2010 10:10 am
Delivery Date: 19 Jan 2011
Leaf Number: 000215
Location: Sacramento Area

Re: LEAFer's LEAF on GIDs

Wed Jul 24, 2013 12:16 pm

After 37 days and 932 miles driven ... today (7/24/2013) the reported AHr dropped below the Pre-P3227 reprogramming level. Naturally, we can't expect a "real" zero loss over those 37 days, thus it's anyone's guess when the actual pre- and post-P3227 AHr curves would "merge". But in any case ... I will significantly reduce the reporting frequency of the above data ... and make only occasional updates from here on out.
2011 Silver SL+QC [Mfg: 11/2010] 36mo/15k LEASE
06Jun2013 Status [28.5 months][34,173 miles][11 bars]
Lost CapacityBar 6/6/13 @34,173 miles while in LEAF Battery Monitor: 83.41%, 71.4F (avg); cool overnight;

IraqiInvaderGnr
Posts: 95
Joined: Mon Mar 11, 2013 4:49 pm
Delivery Date: 01 Apr 2013
Leaf Number: 404138
Location: Treynor, Iowa

Re: LEAFer's LEAF on GIDs

Thu Jul 25, 2013 1:04 pm

I've got a 13 leaf and I noticed that your Ahr value decreases about every day but mine hasn't changed since I started tracking the Ahr on my leaf. Why is that?
2013 SL Silver Manufactured 02-13 Purchased 04-13
Top Gids 295 miles 7-25-13 6,700
AHr 62.73 Health 95.01% Gids 272 miles as of 9-8-14 28,287

:) Truck driver that dreams of a day when he's behind the wheel of a Electric 18 wheeler :)

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mwalsh
Posts: 9753
Joined: Thu Apr 22, 2010 10:10 am
Delivery Date: 05 Jan 2011
Leaf Number: 0213
Location: Garden Grove, CA

Re: LEAFer's LEAF on GIDs

Thu Jul 25, 2013 1:11 pm

IraqiInvaderGnr wrote:I've got a 13 leaf and I noticed that your Ahr value decreases about every day but mine hasn't changed since I started tracking the Ahr on my leaf. Why is that?
My guess would be that actual AHr reading in your car exceeds what can be reported.

We saw this type of thing with the Gidometers when we first got them - with some car's meters misleadingly stuck at 281 Gids for quite a while (some saw that behavior for a year or more, particularly those in cooler climates).
2011 Blue Ocean SL with 86,000 miles
2015 pack on 12/30/15
Tinted windows
Bosch AGM 12v
Ecopia 422+ tires
L1 EVSE upgrade
FIAMM horns
Superbright LED lighting
2013 sun visors
LED shifter
Heated seats
GT-R map lamp lenses
Altima illuminated door switches

dm33
Posts: 690
Joined: Sat May 18, 2013 4:43 am
Delivery Date: 31 May 2013
Location: Raleigh, NC

Re: LEAFer's LEAF on GIDs

Thu Jul 25, 2013 2:46 pm

mwalsh wrote:
IraqiInvaderGnr wrote:I've got a 13 leaf and I noticed that your Ahr value decreases about every day but mine hasn't changed since I started tracking the Ahr on my leaf. Why is that?
My guess would be that actual AHr reading in your car exceeds what can be reported.

We saw this type of thing with the Gidometers when we first got them - with some car's meters misleadingly stuck at 281 Gids for quite a while (some saw that behavior for a year or more, particularly those in cooler climates).
If this is assuming 2013s have high capacity readings, it's not true of my 2013. Capacity percentage is running from a high of 95% to 92%. Generally trending down. I had hoped it was a mistake and trend up but apparently not.

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mwalsh
Posts: 9753
Joined: Thu Apr 22, 2010 10:10 am
Delivery Date: 05 Jan 2011
Leaf Number: 0213
Location: Garden Grove, CA

Re: LEAFer's LEAF on GIDs

Thu Jul 25, 2013 2:59 pm

dm33 wrote:If this is assuming 2013s have high capacity readings, it's not true of my 2013. Capacity percentage is running from a high of 95% to 92%. Generally trending down. I had hoped it was a mistake and trend up but apparently not.
It wasn't true of my 2011 either. We didn't have the Gidometer way back when I first got the car. But I could tell even without it that I wasn't getting as much range from the first fuel bar as soon as the second week of ownership. When I eventually built out my Gidometer (summer of 2011), I was seeing less than 281 pretty consistently. It wasn't until we hit cooler weather in the fall that I finally saw a 281. And I only saw 281 twice (though I saw a couple of 280s and a few mid-to-high 270s in the interim).
2011 Blue Ocean SL with 86,000 miles
2015 pack on 12/30/15
Tinted windows
Bosch AGM 12v
Ecopia 422+ tires
L1 EVSE upgrade
FIAMM horns
Superbright LED lighting
2013 sun visors
LED shifter
Heated seats
GT-R map lamp lenses
Altima illuminated door switches

User avatar
LEAFer
Posts: 2647
Joined: Mon May 24, 2010 10:10 am
Delivery Date: 19 Jan 2011
Leaf Number: 000215
Location: Sacramento Area

Re: LEAFer's LEAF on GIDs

Thu Jul 25, 2013 4:54 pm

IraqiInvaderGnr wrote:I've got a 13 leaf and I noticed that your Ahr value decreases about every day but mine hasn't changed since I started tracking the Ahr on my leaf. Why is that?
I have limited AHr data before the P3227 re-programming. But even then there was a slow downward trend.

The more recent downward trend is in large part due to the post-re-programming "learning" the BMS (Battery Management System) is going thru. But in general, depending on your location (climate), you should see a slow downward trend (or fast if in AZ, etc). Post some screenshots or a table of consistent data points over several days ?

But MWalsh makes a good point. Due to your high SOH and GID reading, it is possible that your values won't adjust until the actual capacity drops below a mathematical value that can be represented by the data stream (based on bit representation). I don't know what the "encoding" actually is, but Turbo3 or GregH might be able to enlighten us. ( 65,536 ... ??? just a total guess)

:)
2011 Silver SL+QC [Mfg: 11/2010] 36mo/15k LEASE
06Jun2013 Status [28.5 months][34,173 miles][11 bars]
Lost CapacityBar 6/6/13 @34,173 miles while in LEAF Battery Monitor: 83.41%, 71.4F (avg); cool overnight;

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