Search found 6 matches

by martin6
Tue Aug 18, 2015 11:01 am
Forum: DIY Write-ups
Topic: Modifying Motronic 2.3.2 ECU hardware and software
Replies: 45
Views: 195180

Re: Modifying Motronic 2.3.2 ECU hardware and software

A question regarding the M2.3.2 maps, that are used for fuel-enrichment on WOT and boost events.
Can please anybody bring some light into this?

What I understood up to now is, that the 16x16 fuel map (at 0x8E13 on the 551B ECU with SW 358361) only has en effect at partial load conditions.
In an WOT ...
by martin6
Wed Jul 22, 2015 4:40 pm
Forum: DIY Write-ups
Topic: Motronic 2.3.2 ignition cut launch control
Replies: 51
Views: 183867

Re: Motronic 2.3.2 ignition cut launch control

Yes, my map looks like this:
launch_control1.jpg

As you can see, my map starts at 9594, and is zeroed from 9634 to 9693.

Here the same map, with rpm factor:
launch_control2.jpg

Can you confirm that 551B "launch control map" is the 9594?
Maybe this is the wrong map and therefore it doesn't get ...
by martin6
Tue Jul 21, 2015 1:00 pm
Forum: DIY Write-ups
Topic: Motronic 2.3.2 ignition cut launch control
Replies: 51
Views: 183867

Re: Motronic 2.3.2 ignition cut launch control

Tested today, but no luck.
I did the change in the map at 0x9594 (ECU is a 8A0 907 551AA with 8A0 907 551B software).
When giving ground to the mentioned pin on the coding plug (or ECU pin 39, double-checked that),
the car obviously does not switch to the launch control map, and revs freely to ...
by martin6
Tue Jul 21, 2015 1:02 am
Forum: DIY Write-ups
Topic: Motronic 2.3.2 ignition cut launch control
Replies: 51
Views: 183867

Re: Motronic 2.3.2 ignition cut launch control

At the moment, I'm doing this mod (Launch Control with ECU Switch) to a friend's 551AA ECU too.
What I understand now is that the car will not throw flames or bang, as long as there is no wotbox installed (which I will not do).

Just for curiousity:
-Why isn't it enough to fit the wotbox without the ...
by martin6
Tue Jul 07, 2015 5:31 am
Forum: DIY Write-ups
Topic: Motronic 2.3.2 ignition cut launch control
Replies: 51
Views: 183867

Re: Motronic 2.3.2 ignition cut launch control

Very interesting find vwnut8392, thank you very much for sharing your knowledge!

@KevinRS: Add m to your favorites.
Günter Jäger has a good range of products for the older ECUs.
I bought some uv-erasable M27C256B and M87C257 ones and a UV eraser station too, to play around with the Audi ECUs.
Quick ...