smart roadster 452

Smart Roadster 452
Activate the steering wheel paddles without using MB Star.
Materials needed:
Chinese clone Tactrix Openport 2.0 interface, available at a low price on Aliexpress
Let's see 4.02.02 with J2534 interface, the same as Openport. available on the Internet
Xentry Passthru 2016/07 always with J2534 interface, available on the Internet
A male female obd extension
I won't go into the merits of installing the software, this is where the supplier will help you.
Hardware changes:

1 - SAM -------------
------------------- openport -7
7 – ECU -------------

In practice, in the male-female OBD extension, cut the wire that connects pin 7, connect a switch with C (common) on pin 7 of the openport, NO (normally open) on pin 1 on the car side, and NC (normally closed ) on pin 7 on the car side.

Operations:
Always OFFLINE, no internet to save Openport.
Selector on ECU
Launch Xentry
Systems
N3/10
Adaptation of the control units
Steering wheel gear shift function
Activate
Close Xentry
Move the selector to SAM
Launch Let's see
Select cbf KI_452
Coding
Variant Coding
Lenkradschaltung on Aktiv
Coding
enter system KI_452
function
FN-ECU-Reset

done