OrangeVirus Tuning

Here's why you hate the 3rd Gen Tacoma Transmission...and how we are fixing it.

Here's why you hate the 3rd Gen Tacoma Transmission...and how we are fixing it.

The Third Gen Tacoma Automatic transmission, why you hate it, and how we are reshaping it.

 

The 3rd Gen Tacoma has some funky stuff going on with it's transmission. We all know it. But why is this happening, and why do we hate it so much? Is it because it has two over-drive gears? We think not. While 2 overdrive gears are definitely part of the problem, it's not the primary problem, and there is a way around it.

We think it's the new logic (brain) behind the transmission that has too much freedom. 
What do we mean? Lets explain below.

How does the new Aisin AC60F 6-spd automatic really work? The transmission itself (hardware) it setup quite similar to any other transmission on the market. There is not a magical recipe of hardware under the casing that makes this transmission act so badly. It's purely electronic. 

So how does the electronics interfere with the operation of the transmission? Well, the operation is quite complex, and quite a new concept to Toyotas programming, and transmission programming in general.

Here is what we know and have tested.. and it may boggle your mind. The truck does not have determined up-shift and down-shift tables in the electronics. What? That does not make sense!
Actually, the way Toyota has it setup, it makes perfect sense. The truck does not have tables specific to shifting the transmission up or down. It only has tables that control shifting, in any direction!.

How Toyotas Transmission logic worked BEFORE the 3rd Gen Tacoma... Lets briefly explain how Toyota controls their transmissions, or how they used to, and how it helps you understand why you hate the 3rd gen transmission. Previously, Toyota had a way of controlling the transmission in their vehicles which makes complete sense and actually makes the transmission shift.. like it should. 

Lets take the 2nd Gen Tacoma for example.

The 2nd Gen Tacoma used a series of tables that control shifting up to the next gear (ONLY UP) and a set of tables that control shifting down (ONLY DOWN). It then pairs these tables to a single (or double) transmission "torque" map that helps to create smooth shifts by pairing the shift to the torque of the engine.

 

Here is a brief diagram of this (simple example), and an explanation. 

There are tables that control the limit (axle speed) of shifting the transmission up from one gear to the next, or shifting the transmission down from a higher gear to a lower gear.  It will use the torque map to finalize the calculation of the shift and shift the transmission (as smoothly or forcefully as required, by the torque value).

This creates a very straight forward way of controlling the transmission, and is the reason it is so predictable.

The transmission can go up, or down. That's it. 

 

Now how does the 3rd Gen transmission work? Absolutely nothing like this. Nothing like any transmission mapping that we have ever seen, and it is not like any of Toyotas previous transmission control code. 

 

Lets start with How the transmission shifts. You would expect this to be straight forward, like the 2nd gen. However how the transmission selects a gear is controlled by an extremely complex algorithm. Not only is this Algorithm complex, but it has a certain degree of executive privilege that allows it to control the transmission far beyond what or how the driver would expect.

Now back to this sentence "The truck does not have determined up-shift and down-shift tables in the electronics."

Here is what we mean, with orders of diagrams in increasing complexity and explanations.

First, the gear control itself. There are similar gear based limits like the 2nd Gen Tacoma transmission. If all conditions are met, shift the transmission, (for example if you floor it, or you're near the rev limiter, etc).

This concept of shifting remains.

However, how does the transmission control which gear to go to? Good question. 

The transmission uses what we would like to call "executive privilege" which controls what gear it will select. What does this mean. Take a look at the 2nd Gen Tacoma table again. See that there is a table dedicated to controlling the transmission UP, and DOWN?

Well the 3rd Gen Tacoma uses a single / primary table that controls ONLY the limits of the gear itself. It does NOT have control over going up or down, but rather only has control over the limits / conditions of when the gear can be used. What that means if all conditions are met, the ecu can select ANY gear, at ANY time that is required, as long as that gear meets the required conditions.

So there is no standard up and down blueprint here. There are simply 6 gears and that are accessible, at any time required, that the truck will use. If it wants 6th it will select 6th. if it "wants" 3rd it will select 3rd. 

It does not "up-shift" from 2nd to 3rd. Rather it selects the gear. By modifying the code you can actually make the transmission "select" 5th gear after 2nd. Or "select" 3rd gear after 5th!.. Because the code does not go up and down. It selects in any direction as long as the conditions and thresholds are met.

It's a complex method of transmission control but this is only scratching the surface. It gets much more complex, as we continue on.

here is a simple diagram that may help you understand this gear control:

 2ND GEN TACOMA STANDARD TRANSMISSION CONTROL 

Here is the 2nd gen. you can go up in gears depending on conditions, or the transmission can go down in gears, depending on conditions.

REMEMBER THIS IS THE 2ND GEN TACOMA.

Now here is the 3rd Gen Tacomas control for gear selection: 

Or, a super simple version:

The ECU will select whichever gear it desires. Independent of what gear it is currently in. 
Note, for each gear there are 22 sets of tables that control limits. (depending on truck configuration some may not be used).

Now this is only the beginning of how shifts are actually controlled. Lets explain what modifies shifting even further. The torque calculation tables. Like the 2nd gen in the image above. These modify how and when the transmission will select a shift.

Now here is how the 3rd Gen Tacoma Transmission shifting actually works. It is simply put, insane.

Please understand this is actually quite difficult to create in a diagram, so this is a "close" match to what is actually going on. There is simply too many tables to put all of them on here.

 

 Here is the takeaway from all of this information :

- The transmission does not, and will not shift in a predetermined manner of going up and down the way anyone currently thinks a transmission does.
If you "expect" the transmission will go from 5th to 4th, you're incorrect.

If you "expect" the transmission will go from 5th to 6th, again you're incorrect.

Any gear, at any time, is selected based upon the variables, limits, and calculations of torque / accelerator angle etc. 
From that point the ECU will select WHATEVER gear it determines is necessary to match driver demand (gas pedal). 

So, as you can see the ECU does not select gears and shift it like a traditional transmission would. Rather it selects gears based on various predetermined gear limits, torque calculations, and variables from the engine which help to select through the shift routine and actually create a "shift" event.

Note** this does not take into account ALL of the shift tables or torque tables. There are simply too many to show on a single graph. This does not take into account compensations or multiplications from the various 4D executive tables within the ECU.

So as you can see the ECU has a lot of executive privilege to shift in any direction or select any gear that it wants. Once again, this does not even take int account when you change the shift mode (ECT, S, etc). 

 

So now that we can see this mess, what can be done? We are working on that!

Our new tune version dubbed "1.05" will release soon that completely rewrites the control of the transmission.

For example, we have managed to create a gear locking routine when you enable ECT mode and move the shift selector to S. Effectively doing what everyone has asked for S mode to be, a "true" manual mode.

No longer will the ECU automatically drop a gear or two when you floor it, in any gear.

 

 

 This only scratches the surface of what we are changing in 1.05. We are completely re-tuning and changing the shift routines, the shift limits and torque tables. Eliminating the multiple redundant tables and effectively stopping the "learning" that everyone keeps mentioning about this transmission. We have confirmed already we can make the ECU follow only a single set of tables to select and determine which gear to shift to. This makes the transmission act much more closely to a normal transmission and shift the way we would expect it to.

 We are also completely eliminating the need for multiple torque calculation maps that directly affect how and when the transmission shifts. This is one of the main reasons that the transmission is so unpredictable. We have, in the past tuned the 1-6 gear limit tables to be identical to each-other, expecting that the transmission may act more like we expect. However, over time the ECU will use different routines which in the end make the transmission shift unexpectedly once again.

Finally, we are modifying the 4D control / compensation tables and the multiple throttle tables, torque converter locking control / unlocking control tables to enhance shifting and transmission control even further.

It has taken us some time to understand the complexity of the new 3rd Gen Tacoma transmission to this depth, and we are very excited to show everyone what we can make it do with our 1.05 tune release. We are very confident when we say it may finally act and shift like a truck should!

 

Some of what we are working on fixing and improving in our 1.05 version tune, and the changes vs 1.04.

Toyota has released several TSBs to correct issues within the ECU. The latest version of the TSB has been voted the "best" yet some issues remain.

- Our 1.05 version tune will incorporate all of the current and previous TSBs into a single ECU file. This ensures your ECU is up to date, even if you don't have the latest TSB. (excluding ECU versions 04B00 and 04B01 which REQUIRE the TSB).

- 1.05 completely rewrites the shift logic on the 6AT transmission. Unlike 1.04, which only improves the shift logic, 1.05 completely rewrites the shift logic, and how shifts are determined.

- 1.05 eliminates the need for excessive redundant maps that alter how the transmission shifts.

- 1.05 update further improves our ignition calibration for these trucks. Enhancing ignition timing and ignition control over our 1.04 tune.

- Fueling is improved for both cruise and high load situations.

- ACIS valve control which contributes to the 3500 RPM "surge" in power is tuned to operate differently.

 

1.05 is a free update for all of our customers who have our tune kit. If you are interested you can order here, and update for free upon release.

https://www.ovtuned.com/collections/toyota/products/toyota-tacoma-2grfks-calibration

 

 

 

 

 

**note information provided has been researched and tested via various means of controlling the tables / logic / programming of the transmission / reverse engineering and or other methods. Some or all of the information may be updated to be more correct upon finding new information, there may be critical components of the logic and programming that is not explained here, as this is meant as a simple representation of the complexity of the new transmission**

 

 

 

 

 

 

 

12 comments

Feb 26, 2021 • Posted by Doublebtc-Vot

DoubleBitcoin – Double your bitcoin in 24 hours – Professional Bitcoin Doubler Platform. Click : https://doublebtc.net

Feb 16, 2021 • Posted by Jeffreyjab

VIP SELLER Aged 100 Twitter Accounts MEGA PACK

just click the next web page
https://sellaccs.net

Contact
Skype & Telegram : congmmo
ICQ : 652720497 Email : accsmarket.netgmail .com

Thanks You

Feb 15, 2021 • Posted by LarryKab

Bitcoin investment by means of bitcoin doubler membership seems a really risky option to double your bitcoin.
Click to : https://earnx2btc.com

Feb 11, 2021 • Posted by TwitterCo-Trino

Bán Account Twitter cổ từ 2007 đến 2017 random follower dưới 100 giá 23k/accs.
Giá có thể thay đổi theo thời điểm.

http://accs.vn

Liên hệ:
Zalo : 0934670123
accsmarket.net@gmaildot.com

Thank you

Feb 07, 2021 • Posted by Brantupj

Death behind bars for MP great

The neo Nazi murderer of Jo Cox will die behind bars after he was handed a full life sentence for shooting and stabbing the MP a week before the EU referendum.

Loner jones Mair, 53, Screamed First as he shot the caretaker of two in the head before repeatedly stabbing her with a commando dagger.

The white supremacist shot her once in the head and once in belly with the sawn off.22 hunting rifle packed with expanding dum dum bullets designed to cause maximum damage.

He stabbed her again with the WWII style combat dagger as she lay bleeding out of the office.

Kilmarnock born Mair also plunged the knife almost to the hilt inside stomach of hero pensioner Bernard Kenny, 78, As he attempted to save the Labour MP for Batley and Spen.

Paramedics arrived in minutes and battled to save Mrs Cox, But she was obvious dead at 1.38pm, abandoning her husband, Brendan, And two small kids.

Mair proudly told police me before he was rugby tackled to the floor, Then released: A politics activist, After his public court.

At his 1970s authorities house, Police found an extensive collection of Nazi memorabilia, Including a golden statue of a Third Reich Eagle designed with a swastika.

At his first general look in court, Mair exclaimed: in traitowardrs. opportunity for Britain, He refused to enter pleas and remained silent when confronted with overwhelming evidence at his Old Bailey trial.

He asked to treat the court through his barrister, Simon Russell Flint, QC, But Mr Justice Wilkie refused to allow Mair to speak before telling him he would spend the rest of his life in jail for the murder of Mrs Cox.

Fundamental importance to our democracy for Members of Parliament each day

Perform their duties and meet their constituents safely and fearlessly is reflected in the belief that many no respectable political party contested the by election caused by her death, The evaluate said.

The true meaning of the word she was a patriot.

Affect in becoming a patriot. The words you uttered repeatedly when you killed her give lip service to that concept.

Sentiments can be legitimate and can have resonance but in your mouth, Allied to your actions, they have been tainted and made toxic.

Is clear from your internet and other researches that your inspiration is not love [url=https://www.bestbrides.net/key-factors-for-a-happy-relationship-with-a-hot-russian-mom/]East European Women[/url] of country or your fellow citizens, It is an popularity of Nazism, And similar anti democratic white supremacist creeds where democracy and political persuasion are supplanted by violence towards and intimidation of opponents and people who, In something ways, are usually different and, as a result, ready to accept persecution.

Parents’ generation made huge sacrifices to defeat those ideas and values in the Second World War.

in college, And your popularity of those views which informed your crime,

Betrays the sacrifices of that generation.

are not any patriot. By how you behave you have betrayed the quintessence of our country, it can be adherence to parliamentary democracy. Cox folks Gordon

and consequently Jean Leadbeater, Sister Kim and her husband Brendan sat in court as Mair was sentenced.

Brendan read an emotional victim impact statement from the witness box.

he was quoted saying: the person who did this, We have nothing but pity that his life was so devoid of love and consumed with hatred that this became his desperate and cowardly attempt to find meaning.

Killing of Jo was a political act, An act of terrorism but in a brief history of such acts it was perhaps the most incompetent and self defeating.

Act driven by hatred which instead has created an outpouring of love.

Act that may drive communities apart which has instead pulled them together.

Act designed to silence a voice which instead has allowed countless others to hear it. Was explained neighbours as a shy and quiet loner who enjoyed gardening and was often seen coming and going from his house carrying shopping bags.

But indoors he had shared with his grandmother, helen, till her death in 1996, Mair had acquired a library of hate.

Feb 03, 2021 • Posted by Brantvjc

area of Student Affairs

Student AffairsMeet the vice president for Student AffairsAnnual Reporting and AssessmentStudent Policies and InformationStudent Advisory BoardContact Us(Opens in new truck’s window)

Org place (pdf file)

Our Office Location IconStudent Affairs News EventsCCAA Commissioner’s Cup 2018Tipping Point highlights 2019(Opens in new wind shield)Kim Sutton 2018 CCAA Coach of the season(Opens in new wind shield)OATS Honors for Accessibility EffortsChico State recognized by NASPAChico State Named on Money Magazine Top Colleges for relocation Students(Opens in new wind shield)Barker Named NACDA Athletic Director of the season for Second Time(Opens in new screen)

introducing the Division of Student Affairs!

The division and programs within the Division of Student Affairs at Chico State include Associated Students, gain access to Resource Center, Basic Needs endeavors, Career Center and Student jobs, Early Outreach and Support regimens, Enrollment supervisory, this kind of Academic Advising, staff of [url=https://www.bestbrides.net/mind-blowing-list-of-top-10-hot-chinese-women-2020]how to tell if a chinese woman likes you[/url] Admissions, college grants and Scholarships, Office of the registrar, Intercollegiate athletics, Off Campus Student businesses, Office of Diversity and introduction, scholar Conduct, Rights and duties, Student Life and management, And Student Health agencies and its partners: The therapies and Wellness Center, Campus Alcohol and Drug educational background Center, And Safe stage. The Division of Student Affairs strives to provide comprehensive management services, Academic support and a robust campus life time for our students.

As you move forward in your journey to achieve your higher education goals and career aspirations, We encourage you to make use of the academic and student support services available to you. All of our university resources are made to assist you in maximizing your academic success as well as enhancing your student experience.

Jan 17, 2021 • Posted by ChBearm

enamelling baths[/url]

Jan 14, 2021 • Posted by TwitterCo-Trino

Bán Account Twitter cổ từ 2007 đến 2017 random follower dưới 100 giá 23k/accs.
Giá có thể thay đổi theo thời điểm.

http://accs.vn

Liên hệ:
Zalo : 0934670123
accsmarket.net@gmaildot.com

Thank you!

Jan 11, 2021 • Posted by LorenaBlairRooca

Geoffrey Paschel Responds to Petition frustrating TLC Remove Him from Show

Starcasm formerly reported that his second wife allegedly claimed he raped her in her divorce filing, Among other conditions. TLC did not immediately respond to PEOPLE’s get comment, And PEOPLE has not been able to review the documents cited by Starcasm.Season 4 at 90 Day Fianc: prior to when the 90 Days, Has apparently "Been charged with kidnapping, punishment, rape, Child endangerment, drunk driving drugs, criminal offence larceny, Theft and power. "basically, men and women, it’s my past. it’s my life. it’s my choice. everything that crazier, Whacked up way could I have done it any better than blasting out there,talked about Paschel: "throughout the path I chose, It cannot EVER be turned around. Everything about me is offered for the world to see, Whether it’s true or fantasy. I cannot go back, And really, I would not have it any different,I have knew who my ‘people’ are and, Opposingly, Who only will need hold [url=https://www.bestbrides.net/asiafriend-finder-review-for-2020-scam-or-good-for-finding-ture-love/]asia friend finder[/url] me down and set me back, he explained.ahead of the premiere in February, TLC shown audiences to the couples featured on season 4,The recent years have been rough for Geoffrey. after his second marriage ended in divorce, He struggled with the tragic loss of his son. But life started to look up when he met Varya on a worldwide dating site, TLC said in a let go of. "Despite their cultural variances, They quickly bonded over their shared love of risk. right away, Geoffrey has a trip to Russia on the horizon and is considering proposing to Varya, But he must first prove to her best freinds and family that he’s the right man for her,projects demands coronavirus enquiry, preparing pressure on ChinaAustralia on Sunday added to growing pressure on China over its handling of the novel coronavirus, Questioning its transparency and demanding a major international investigation into the origins of the virus and how it spread. The coronavirus is shown to have emerged in a market selling wildlife in the central Chinese city of Wuhan late last year.

Jan 08, 2021 • Posted by LorenaBlairRooca

Jury is out in Rafferty trial

central london, Ont. After a long and sentimentally wrenching trial, The fate of accused child murderer Michael Rafferty consistantly improves jury hands.

“You can only imagine how any of us would be feeling in his condition, Rafferty lawyer Dirk Derstine said [url=https://www.bestbrides.net/pof-com-review-2020-is-plenty-of-fish-a-good-dating-site?/]plenty of fish login[/url] garden court. "realistically, all of his life is before him right now,

It marks the start of the final chapter in the 10 week trial of Rafferty, accused of first degree murder, Kidnapping and sexual assault causing bodily harm in the April 2009 disappearance and death of eight year old Tori Stafford of Woodstock, Ont.

“No jury will be in a better position to decide on than you are right now, The ascertain said,

Heeney gave the court three "Decision trees visual guides to the choices should be make to reach verdicts on the charges facing Rafferty.

Rafferty, 31 has pleaded not guilty to all charges against him involving Tori, Who vanished on her way home from soccer practice.

Rafferty former boyfriend, Terri Lynne McClintic, 21, Pleaded guilty to first degree murder in the Tori death and is serving a life phrase.

Heeney said the jury should find Rafferty guilty should they decide, Beyond a doubt, That he murdered Tori or he “made it simpler for and abetted” In the getting rid of.

If they can decide or perhaps a killing was "Planned or slow, rendering it a first degree murder, The judge said they have another option.

The Criminal Code also offers a “favourable” First degree murder certainty, If the victim is killed in a kidnapping or sexual assault.

Heeney cautioned the crimes must be the main same series of events.

He also told jurors your firm stand out McClintic gave to police on May 24, 2009, can be viewed as evidence.

In that announcement, McClintic said Rafferty dealt the hammer blows and kicks that wiped out Tori.

She later changed her story and claimed at Rafferty trial that she killed Tori, Explaining she couldn accept temporarly that she was the murderer.

The Crown contended she changed her story to avoid needing to testify at Rafferty trial.

Heeney said the jury will be required to decide which version is true.

He also noted evidence that Rafferty had a number of girlfriends he met on online dating sites, Warning jurors not to assume Rafferty is guilty as being a overall bad character.

Leave a comment: