Motronic 2.10.4 Fiat

Bosch Motronic etc ECUs and PCMs
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Joined: Tue Dec 31, 2019 7:26 pm

Motronic 2.10.4 Fiat

Postby pasto » Thu Feb 20, 2020 12:35 am

Hello
I have been working for 2 years on a motronic 2.10.4 of Fiat coupé 20v turbo. I have an ostrich 2 and a Pro Rt tuner with which I started to modify an xdf. The xdf does not contain all the factors.
The address B68C provides the addresses of all the maps, which gives a little more than 165 maps.

You will find attached ori and xdf.

Concerning the axes, I found some but others are unknown to me.

3: PID action.?
3B: index Rpm *40
4: offset coolant T°
7:
30: throttle position / absolute pressure
31: offset absolute pressure sensor
33: Maf Qsoll
34:
35:
36: voltage *0.0705
37: Iat 0.75-48
38: CT 0.75-48
40: Load *0.05
2F:
5E:
6F:
8D: speed vehicule
88:

I would like to find lambda parameters with the help of someone and understand how the N75 works.

if someone would share with me it would be nice.

thank you all
Attachments
Fiat_Coupe_20vt.xdf
(241.73 KiB) Downloaded 148 times
Fiat coupe 20VT 0261204483 357896.rar
(30.9 KiB) Downloaded 155 times

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