So pins 11 12 13 are ivnolved on j1962 connector,
not usual pin 7 (K-line) as for obd-2.
Unfortunately ecutek uses their "black box" interface,
I guess that a part of programme code is within it.
Hardly one manage to crack, even with "black box" available to "reverse" it.
It must be PIC within.
Noone can reverse ELM chips yet also