Tacoma - OVTUNE - VFTUNER - Update Info and Original Development

iexc · Feb 16, 2018

DavidM310 said: ↑

His truck will be on the next SpaceX launch!
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2016trdtacoma said: ↑

Sounds good, what ever that means. lol
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he forgot

redaccount36 · Feb 16, 2018

So I have a weird question. I know I was told I had to wait till 1.03 was released, but if I downloaded this flash manager thing, would I be able to flash the 1.02 for now to see what it's like? I have a trip tomorrow and would love to see how it responded.

mZiggy · Feb 16, 2018

redaccount36 said: ↑

So I have a weird question. I know I was told I had to wait till 1.03 was released, but if I downloaded this flash manager thing, would I be able to flash the 1.02 for now to see what it's like? I have a trip tomorrow and would love to see how it responded.
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Don't see why not. But if you have a 6MT, you'll have access to 1.03B anyhow. I'm assuming you have the auto then?

redaccount36 · Feb 16, 2018

mZiggy said: ↑

Don't see why not. But if you have a 6MT, you'll have access to 1.03B anyhow. I'm assuming you have the auto then?
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Yeah I have the AT version. I had just gotten my pcmflash key, but if this whole flash manager is a totally different system maybe I could just use it?

mZiggy · Feb 16, 2018

redaccount36 said: ↑

Yeah I have the AT version. I had just gotten my pcmflash key, but if this whole flash manager is a totally different system maybe I could just use it?
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I don't see why PCMFlash would stop working. Flash manager is just a simpler means to an end and is more convenient for both the customer and for Mat.

From what Mat has indicated, we install the FM and then pull our tunes through there. Stands to reason that you'd have access to 1.02 via FM but I'm no expert of course

2016trdtacoma · Feb 16, 2018

redaccount36 said: ↑

Yeah I have the AT version. I had just gotten my pcmflash key, but if this whole flash manager is a totally different system maybe I could just use it?
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Should know any time. Hes working on getting it done as we type. Said he should have a link tonight. Lets hope, Im staying awake to find out

PB FAB · Feb 16, 2018

dYL0n said: ↑

Spent $8 on southwest WiFi for more info and updates.

-sent from 37,000 feet

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So what are drinking on the plane?

dYL0n · Feb 16, 2018

2016trdtacoma said: ↑

Should know any time. Hes working on getting it done as we type. Said he should have a link tonight. Lets hope, Im staying awake to find out
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The link is on the first post of this thread

dYL0n · Feb 16, 2018

PB FAB said: ↑

So what are drinking on the plane?
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R u trying to get me banned

2016trdtacoma · Feb 16, 2018

dYL0n said: ↑

The link is on the first post of this thread
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The new version or am I missing something?

I was under the impression there was an updated version of flash manager....

redaccount36 · Feb 16, 2018

mZiggy said: ↑

I don't see why PCMFlash would stop working. Flash manager is just a simpler means to an end and is more convenient for both the customer and for Mat.

From what Mat has indicated, we install the FM and then pull our tunes through there. Stands to reason that you'd have access to 1.02 via FM but I'm no expert of course
Click to expand...

Well I never got the 1.02 flash. I was sorta mid process and didn't realize it was all changing leading up to this new version and flash manager thing.

mZiggy · Feb 16, 2018

The link on page 1 is for the beta version. Mat is releasing the full version tonight and I expect he'll let us know when he has done that

mZiggy · Feb 16, 2018

redaccount36 said: ↑

Well I never got the 1.02 flash. I was sorta mid process and didn't realize it was all changing leading up to this new version and flash manager thing.
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Ah, okay got it. Well then I don't really know man. Mat will be the one to answer your question I expect

MESO · Feb 16, 2018

OVTune[OP] said: ↑

By doing this it lets the truck react the same way from when you first flash it.
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THANK YOU. I've been saying this since first flash..works well but over time it becomes a slug again.

2016trdtacoma · Feb 16, 2018

Ca..nt.. st..ay up any llonngger... neeedd slleepp but need too o wait.t for the u p date/.,,/

mZiggy · Feb 16, 2018

2016trdtacoma said: ↑

Ca..nt.. st..ay up any llonngger... neeedd slleepp but need too o wait.t for the u p date/.,,/
Click to expand...

Right lol I need to give my pillow some good head but I also want this update because I'm impatient

dYL0n · Feb 16, 2018

OVTune[OP] said: ↑

I almost forgot to talk a little bit about toyota's beautifully done transmission tune.. and adaptive failability.

Toyota's transmission adaptation - smart learning.
So I have figured out how it works, and how to effectively mute it.

There are table sets that work with eachother to modify shifting based on the initial shift set parameters (2D tables which I have modified in the 1.02C tunes to make shift changes to enhance rpm per gear). This doesn't solve the the transmission adaptation tables though.

So as the transmission starts at the lowest adaptation tables, the transmission is softer, it will allow for the engine RPM peak to be higher in each gear before shifting, and without the use of the torque converter lock, which improves a smooth shift.

As the transmission uses the next value set (table) over a period of time, it uses higher thresholds which create a requested quicker shift event. So on lower thresholds, there is more "allowance" in between gear shifts for rpm.
as the tables move forward, there is less and less "allowance."
In the beginning, you notice that the shifting is good, the rpm in each gear before shifting is acceptable. Then it goes to the next table, as a result everything is lowered and lock up is quicker to engage.
This means very low RPM, very quickly upshift, and locking of the torque converter, but WITHOUT the ability to use higher throttle. This makes the truck feel like it weighs 50,000 lbs.

for example ;

Once it has reached this peak table, I have not seen the occurrence of ever going back to previous tables, however it's difficult to confirm that without additional logging of RAM values. Regardless it's easy to see by how the truck responds.

The solution in 1.03 is to create a blend table so that the ECU is still allowed to perform it's "learning" which is required for the code, but without any actual learning to take place. It will still be able to move between it's necessary table selection, without any changes becoming effective.

The issue in the past with trying to solve this was looking at it the wrong way without the necessary data (needing a test truck). The tables cannot all be set the same, they can't be copy and pasted either. The reason is there are some tables for different drive and shifting modes, which require certain torque control values. The solution was to "disable" the learning...by allowing it to learn..nothing new.

By doing this it lets the truck react the same way from when you first flash it.

Click to expand...

2016trdtacoma · Feb 16, 2018

And that's why I have a manual.

dYL0n · Feb 16, 2018

2016trdtacoma said: ↑

And that's why I have a manual.
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Yeah! Rev hang!

2016trdtacoma · Feb 16, 2018

dYL0n said: ↑

Yeah! Rev hang!
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Eh, it was a joke... I understood about nothing in that explanation lol.

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