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Author Topic: EDIT: User adjustable Launch control wth Map switch Me7.5  (Read 14629 times)
stuydub
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« on: March 08, 2021, 02:31:10 AM »

So came across this and thought lets share..see what others can make of it. There is a 032hn file and pdf attached. also pops wth A/C on but not currently working. EDIT FILE to your specs.. LC tested and confirmed.
To set LC
Engine Running
Push Brake 2 times
Push Clutch 3 times

EML will flash

Hold RPM at required Revs

Press Brake with left foot to confirm

Map Switch
 
ignition on
hold accel press brake 1 2 or 3 times to select map eml flash corresponds to map number

Maps are: LDRXN LDRXNZK KRKTE LAMFA KFZW KFZW2
« Last Edit: March 11, 2021, 05:45:32 AM by stuydub » Logged
enginelover
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« Reply #1 on: July 05, 2021, 02:54:12 PM »

So came across this and thought lets share..see what others can make of it. There is a 032hn file and pdf attached. also pops wth A/C on but not currently working. EDIT FILE to your specs.. LC tested and confirmed.
To set LC
Engine Running
Push Brake 2 times
Push Clutch 3 times

EML will flash

Hold RPM at required Revs

Press Brake with left foot to confirm

Map Switch
 
ignition on
hold accel press brake 1 2 or 3 times to select map eml flash corresponds to map number

Maps are: LDRXN LDRXNZK KRKTE LAMFA KFZW KFZW2

Hi Intresting. wonder why this i free on the forum? do you know how is the creator?

br
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stuydub
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« Reply #2 on: July 05, 2021, 11:07:47 PM »

some people like to share not put a price on things if u gunna use it u need to edit it...
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Sagishm
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« Reply #3 on: July 06, 2021, 10:13:16 AM »

Map switch is tested too?
accel = meant to full throttle?
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stuydub
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« Reply #4 on: July 06, 2021, 11:12:32 AM »

Map switch is tested too?
accel = meant to full throttle?

yes hold pedal to floor
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Sagishm
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« Reply #5 on: July 06, 2021, 11:37:51 AM »

i tried to use your pdf to add it to my file, i think something missing..
there is another reference to maps?
i attached my file if someone can take a look.
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_Bubik
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« Reply #6 on: December 24, 2022, 06:10:40 PM »

Is here anyone, who tried it on 1.8t AUM?  Smiley

(Merry Christmass  Grin )
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stuydub
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« Reply #7 on: January 01, 2023, 09:19:59 AM »

YES it has been tested on a AUM
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tao13
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« Reply #8 on: November 21, 2024, 05:33:30 AM »

I tested(not made log on the street to see if ldrxn/kfzw and lamfa changed) on aum today , map switch works and check engine light.
I tried activate launch : Engine Running , push brake 2 times, push clutch 3 times ,push acc_ped at some rpm and kept constant and push brake. NO check engine light , and no launch activated. i tried with and without AC.
stuydub, some advices?

Other issue/question, the launch will be deactivated after ignition off, or remainig active? If remaining active how will deactivate it?
Thanks
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tao13
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« Reply #9 on: January 11, 2026, 08:52:05 AM »

Somebody can confirm or not if in stuydub file at next addresses is a dead code? I don't find any xref , link from table or any calls/jump with offset.
1. 8A5BEE
2. 8A5C30
3. 8A5C3A
4. 8A5C58
Thanks in advance.
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rogerius
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« Reply #10 on: January 12, 2026, 02:12:17 AM »

Somebody can confirm or not if in stuydub file at next addresses is a dead code? I don't find any xref , link from table or any calls/jump with offset.
1. 8A5BEE
2. 8A5C30
3. 8A5C3A
4. 8A5C58
Thanks in advance.
Read this:
http://nefariousmotorsports.com/forum/index.php?topic=16962.0title=
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tao13
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« Reply #11 on: January 12, 2026, 05:00:06 AM »

Thanks. If i understood well in r5 must be the segment and in r4 must be offeset. But for offset i tried to find like i said upstairs 5B EE or EE 5B , 5C 30 or 30 5C,.....etc. But nothing found.
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rogerius
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« Reply #12 on: January 12, 2026, 10:36:47 AM »

Thanks. If i understood well in r5 must be the segment and in r4 must be offeset. But for offset i tried to find like i said upstairs 5B EE or EE 5B , 5C 30 or 30 5C,.....etc. But nothing found.
initially I wanted to steer you towards the indirect calling of functions. I think by now you know that already.
It seems in the addresses you searched, there is some garbage/leftover code/not used, so not an indirectly called function there. Sorry for the confusion.
The garbage looks like flags or CWs, abandoned from earlier coding.
« Last Edit: January 12, 2026, 10:55:10 AM by rogerius » Logged
tao13
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« Reply #13 on: January 13, 2026, 12:45:06 PM »

Thanks a lot for confirmation that is a dead code.
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Pascalsbabqb
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« Reply #14 on: February 23, 2026, 11:07:23 AM »

After it drove me crazy for a long time that the launch control was not working, I kept searching and finally found out why it doesn’t work on the HJ ECU. Now it works for me.

The missing part is actually mentioned in the PDF. It’s best to use the BIN file from the original post and always double-check everything. The rest of the required steps can be taken directly from the original PDF.

The new PDF is in German because I speak German, so you will need to translate it.

You have to try it a few times in the car. Do the 2× brake press and then pump the clutch several times — it took a few tries for me until it worked.

“If someone helps me tune the map-switch setup in the file, I’m willing to share the HJ file publicly with everyone.”
Write me a Mail or a pm
« Last Edit: February 25, 2026, 08:58:21 AM by Pascalsbabqb » Logged
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