OFT Openflash V4 tunes released for 2017+ with Launch/FFS

[smg1138]

Originally Posted by H1C

Also the throttle response is noticeably more immediate on v2.076 even just switching back, without the ECU having time to learn.

I've noticed the same thing about the throttle response. I've clocked 100+ miles on the new tune, but it still doesn't feel as responsive as v2.076. Thought it was my imagination at first, but almost stalled backing into my driveway last night.

[Weigaldo]

Originally Posted by steve99

If advance multiplier inital is set to 0.7 then every time you start car iam will start from 0.7, unless it was already less than 0.7.

ie if it was 0.5 it will stay at 0.5

if it was 1 it will reset to 0.7


If you find the iam is almost always 1 then you could reset iam initial in tune to 1. The lower iam initial is to accomodate lower quality fuels like 91 as their is no dedicated 91 tune

I just flashed my ecu on my lunch break and the car stayed at 1 IAM after the initial flash. I'll have to load up the xml in romraider tonight and check to see if the initial is at 1 or if maybe mine isn't reading right (F00D). I know before on the V2 it wasn't, and I needed V3 for it to work. I do have maf voltage on the V4 displaying properly though.

[ThatDamnRanga]

Originally Posted by steve99

Yes auto tunes based on euro A01I roms
manuals based on A01G roms

this is for 2012-16 cars.

Some tables you will need to go to degbug level to alter.

you could use a wayno A10I def but you would need to alter it

when editing if you see weird values or table axis look weird stop def is wrong or mismatched

Do I take it from this that I can alter the CALID and run on a car currently using an A02G map? Excepting fuelling matters (obviously have to use the '91' not '93' maps)

That's how it reads to me, but I don't really wanna risk a bricking.

RR2ECUFlash worked a treat. I may run the defs all through it today and upload them here for everyone's benefit

[ermax]

Originally Posted by steve99

Ok it important to understand whats going on

4. don't alter that table with the supplied definition as bad stuff may happen including bricked ecu. as the def is not accessing the correct area in the rom for that table.

I'm new to this platform, actually new to flashing any ECUs for that matter. My understanding was you could read a rom without defs but could not flash a rom without correct defs. But reading your response here leads me to believe that correct defs aren't actually needed for flashing either. From the sounds of what you are saying, you only need correct defs to "edit" a rom.

Am I correct in this assumption? I mean, I've read so many times on this forum that you should check all the tables to make sure things don't look all wacky before flashing. Sounds like the advice should be, make sure the tables don't look all wacky if you plan to edit the table.

Not trying to create any confusion around here. Just looking for a better understanding of how this all fits together. Any time I flash a rom I'm a bit stressed. A better understanding would certainly reduce my stress level a little. Hahaha

[BFIFE22]

Originally Posted by ermax

I'm new to this platform, actually new to flashing any ECUs for that matter. My understanding was you could read a rom without defs but could not flash a rom without correct defs. But reading your response here leads me to believe that correct defs aren't actually needed for flashing either. From the sounds of what you are saying, you only need correct defs to "edit" a rom.

Am I correct in this assumption? I mean, I've read so many times on this forum that you should check all the tables to make sure things don't look all wacky before flashing. Sounds like the advice should be, make sure the tables don't look all wacky if you plan to edit the table.

Not trying to create any confusion around here. Just looking for a better understanding of how this all fits together. Any time I flash a rom I'm a bit stressed. A better understanding would certainly reduce my stress level a little. Hahaha

You are correct. From my understanding, the definitions are basically used to decipher the info in a ROM, and display it legibly. The ROMs provided by OpenFlash don't need to be opened in RomRaider or edited in any way to be able to be flashed onto your car, just make sure you the ROM with the correct CalID for your car.

Some of us have used datalogs as a basis to make changes to our ROMs to fine tune them, in this case if you change the wrong table or put in an incorrect value by accident, you can cause issues or possibly brick your ECU. So in this case you would want to double check your changes to prevent any issues.

I am by no means an expert so if someone with a better understanding can elaborate further on this it would be appreciated!

[H1C]

Originally Posted by smg1138

I've noticed the same thing about the throttle response. I've clocked 100+ miles on the new tune, but it still doesn't feel as responsive as v2.076. Thought it was my imagination at first, but almost stalled backing into my driveway last night.

Yeah, unless I start hearing reports of how awesome v4 is after the ECU fully relearns, I see no reason for me to switch from v2.076. My car and exhaust setup ran and sounded great to me for the past year on it. My initial impression of v4 was pretty underwhelming.

[ThatDamnRanga]

Originally Posted by steve99

Ok it important to understand whats going on


1. the tunes/rom is fine
2. the V4 manual tunes 2012-2016 cars are all actually A01G roms
3. the problem is in the definition it got an error
4. don't alter that table with the supplied definition as bad stuff may happen including bricked ecu. as the def is not accessing the correct area in the rom for that table.




If someone needs to access that table I can post up a correct def

If you could provide a diff between the 'broken' def (Can confirm it is broken back in V2.076) and the corrected def would be great. My perfectionist instincts are kicking in.

[Weigaldo]

Originally Posted by Weigaldo

I just flashed my ecu on my lunch break and the car stayed at 1 IAM after the initial flash. I'll have to load up the xml in romraider tonight and check to see if the initial is at 1 or if maybe mine isn't reading right (F00D). I know before on the V2 it wasn't, and I needed V3 for it to work. I do have maf voltage on the V4 displaying properly though.

I just checked romraider and can confirm my Stg 2+ F00D has initial set to 1. I haven't had any issues on V3, so I'll just leave it as is. I think I've only seen it drop below 1 once since November.

[Kodename47]

Originally Posted by smg1138

I've noticed the same thing about the throttle response. I've clocked 100+ miles on the new tune, but it still doesn't feel as responsive as v2.076. Thought it was my imagination at first, but almost stalled backing into my driveway last night.

Odd. Comparing a V2 A01G and the new ROMs the only difference in throttle mapping is at higher RPM. There really isn't that much changed from the V2 to the V4 anywhere in the ROM.

Anyone who wants the def for the pre-MY17 cars you can get mine here:
MT - A01G
AT - A01I

Just open up the xml file for A01G and then replace any instance of ZA1JA01G or ZA1JA01I with the CalID of the one for your car. Again, this is not for ZA1K00C/D.

[H1C]

Originally Posted by Kodename47

Odd. Comparing a V2 A01G and the new ROMs the only difference in throttle mapping is at higher RPM. There really isn't that much changed from the V2 to the V4 anywhere in the ROM.

Anyone who wants the def for the pre-MY17 cars you can get mine here:
MT - A01G
AT - A01I

Just open up the xml file for A01G and then replace any instance of ZA1JA01G or ZA1JA01I with the CalID of the one for your car. Again, this is not for ZA1K00C/D.

Thank you for your definition files! I used your B01C defs to tame the cold start in my v2.076 tune.

[Lantanafrs2]

Kinda cool out right now on South Florida. God the car feels just right. Pulls so nice in low to midrange it's hard to believe it's just a 2 litre that breathes on its own.

[Jasonb]

Originally Posted by Lantanafrs2

Kinda cool out right now on South Florida. God the car feels just right. Pulls so nice in low to midrange it's hard to believe it's just a 2 litre that breathes on its own.

Agreed.

[Baron_T]

Originally Posted by steve99

2. the V4 manual tunes 2012-2016 cars are all actually A01G roms

Anyone know why Shiv switched from the B01C code to the A01G code for USDM 12-16 MT cars? Any advantages to the European code?

[steve99]

Originally Posted by Baron_T

Anyone know why Shiv switched from the B01C code to the A01G code for USDM 12-16 MT cars? Any advantages to the European code?

Saves havjng to have 50 different roms and defs for all the different years and countries badicly all roms and defs will be same except for calid changes, saves a lot of work and hassle