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Author Topic: How to: Stock ECU Launch control on ME7  (Read 151158 times)
pedrosousa
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« Reply #60 on: March 15, 2012, 01:47:28 PM »

Yes

And NLS?
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Nosbeui
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« Reply #61 on: April 09, 2012, 07:51:32 PM »

And NLS?

No NLS, this is the "soft" launch control only.
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anger17
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« Reply #62 on: April 13, 2012, 08:01:40 AM »

Is it possible to raise rev limiter on tiptronic? Cause there is no nmaxog into xdf file for 4z7907551R. There is only NMAXOGGA.
Am I right in understanding that I need to change NMAXOGGA?
Sorry for my poor English:)
« Last Edit: April 13, 2012, 11:19:28 AM by anger17 » Logged
n0ble
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« Reply #63 on: May 20, 2012, 11:52:23 AM »

can this be done on the me9.1 ECU?

I know that there is a stationary rev limiter but im not so sure its holding boost.
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cordobe1
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« Reply #64 on: May 29, 2012, 05:56:50 PM »


TNMXH           (1631A)     This is the time duration of the raised (normal) rev limit. We set this at it's maximum value of 655.3500 seconds. I

Hello! thank you very much for sharing this information!
In the ECU of my car (GOLF GTI) found all the maps listed here, unless I reference the above. - TNMXH (1631A)

I'm using WinOLS 1721, and that this map pak posted in this forum. - Someone can help me find this map?

TNKS A LOT

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El Cordobe!
carsey
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« Reply #65 on: July 08, 2012, 07:55:48 AM »

I guess this doesnt need any traction control systems in place?

Im making a project car but the car looms I have are from early models so no traction control in them.  So was wondering to have the launch feature I would have to wire in traction control?

Chris
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Giannis
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« Reply #66 on: July 08, 2012, 11:22:17 PM »

i don't think that traction control will be a problem. This is a simple use of 2 rev limiters already existing in the ecu.
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hipeka
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« Reply #67 on: July 23, 2012, 01:25:33 AM »

Hi

I cant get this working on 4B0906018CG-0261207215-360306 ecu which is from A4 B5 1.8t AWT.

Problem is that i cant find address for CWNMAXMD.

Here is ori file
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professor
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« Reply #68 on: July 23, 2012, 02:33:23 AM »

@hipeka:
I think that is located on 0x11B04.
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hipeka
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« Reply #69 on: July 23, 2012, 02:26:50 PM »

@hipeka:
I think that is located on 0x11B04.

My map pack says that is CWDNMAX
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professor
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« Reply #70 on: July 24, 2012, 03:18:56 AM »

My map pack says that is CWDNMAX
Think CWDNMAX is at 0X10B35 and CWNMAXMD at 0x11B04 (90% sure).
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userpike
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« Reply #71 on: August 01, 2012, 12:58:13 AM »

Hello all, I need to know if the equivalent to TNMXH is: (ITNMXH) dwell time below lower engine speed limit before activation of upper limit - Verweilzeit unterhalb unterer Drehzahlgrenze vor Aktivierung der oberen Grenze (1x1)

I cannot find TNMXH in Argdub's HS .kp file

Could it be that this .kp is not compatable with my ECU's SW revision of 0007??

I understand that: (CWNMAXMD) is not required to be changed in the ME7.5 ECUs, I can't find it anyways in the .kp file either..

Thanks.
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Vdub-dub
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« Reply #72 on: August 17, 2012, 01:09:37 PM »

could i just use NMAXGA rpm speed limit for each gear including gear 0 Huh would this still have the same affect?
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ironital
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Love what you do tell you do what you want


« Reply #73 on: August 31, 2012, 06:39:45 AM »

 
This means if i do that to my vw 2004 1.8t passat me 7.5 this will increase 1st gear speed onley no changes to others
So you want to launch like the cool Subaru/Evo kids? As it turns out we can! And it's pretty easy. It works like this.. ME7 has a bulit in raised rev limit function which is unused by default. We set it up so the standard rev limit (NMAX) becomes the launch rpm and the raised limit becomes the normal limiter. It's controlled by VNMX so that as long as the car is below 1.25 km/h the launch control limit is used. Above 1.25 km/h the raised limit aka the new normal limit is used.

Here are the maps I modify including their M-Box addresses

CWNMAXMD (8-bit) Codeword Drehzahlbegrenzung Set to 1

VNMX             (1157E)     The vehicle speed for activating the raised (normal) rev limit. We set this as low at it goes (1.25 km/h) so the launch control shuts off as soon as you start moving off the line.
DNMAXH         (16304)     This is the RPM above rev limit when the fuel cut comes on. Tweaking this helps make more boost on the limiter. I use 50 RPM  (Keep in mind the maximum RPM limit is NMAXOG + DNMAXH)      
ITNMXH          (16308)     Dwell time under lower limit before activating the upper limit. We set this to 0 seconds
NMAX             (1630A)     Ends up being the launch RPM. I've found 4500 RPM works well.
NMAXOG         (16312)     This is the raised RPM limit which becomes the standard limit. Mine is set at 7100 RPM
TMOTNMX       (16316)     Coolant temp for activating raised (normal) rev limit. We set this at -48 so that it can activate at any coolant temp.
TNMXH           (1631A)     This is the time duration of the raised (normal) rev limit. We set this at it's maximum value of 655.3500 seconds. I haven't had a problem yet with this and have been testing for months.

And here are the results! http://vimeo.com/14266421

Eventually the plan might be to make this into a self installing patch file like the Subaru guys use.

I just uploaded a Stock M-box with this code http://nefariousmotorsports.com/forum/index.php?topic=152.0

Additional IMPORTANT Info!

Be aware that when using this method of launch control there is a time limit of 10.9 minutes for driving above the launch RPM. Therefore I suggest you set this appropriately high, somewhere above your normal cruising range. After 10.9 minutes the throttle shuts off until the RPM falls below the launch RPM... This is a potentially hazardous condition so please be aware and implement this code at your own risk!

Additional additional info

Thanks to k0mpresd I've learned certain ECU's need the map CWNMAXMD (8-bit) Codeword Drehzahlbegrenzung (Codeword for RPM limiter) changed from 0 to 1

-Brandon

EDIT: Correction the map is DNMAXH not DNMAX
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Mohamed fouad
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« Reply #74 on: September 19, 2012, 08:21:04 AM »

Is this possible on 7.3.1 ECU? I will try to get it working on my Alfa GTA.
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