ECUHELP KT200II is confirmed to program IAW 5SF3.M2 no problem.

Pinout mode connection:

1.Pinout mode: KT200II wiring diagram of MARELLI 5SF3 / 5SF8 / 5SF9 – Fiat, Alfa Romeo, Lancia [Gasoline]:

To connect to the control unit use:
– Multifunction cable

Not all the ECUs can be cloned.

2.Boot mode: KT200II wiring diagram of MARELLI 5SF3 [ ST10F280 ] – Fiat
Kit to use:
– Multifunction cable
– 2 resistances of 100 Ω

KT200II to read and write use the following driver:
→ TOOLS BOOT MODE
→ ST ST10Fxxx
→ ST10F280

This article indicates the versatility and effectiveness of ECUHELP KT200II in handling different programming modes for IAW 5SF3.M2ECU, making it a valuable ECU tool for automotive diagnostics and programming.