Jpdiag

It's permanent error. What does it mean "difference between track 1 and track 2"?

Hi,
I'm working with MelcoDiag and i didn't read the complete issue that i watched in the DTC. Below i highlighted the error in my 500 ECU:
Issue P0121.jpg
It's finish the phrase and i didn't read the other part of phrase because i coudn't enlarge the windows in MelcoDiag.
Another question is ...

Hi,
i tried to test in this week.
I control the % in the full throttle position. I saw the value 100% (when i arrived in this position i saw that i had another small part of gas wire but the throttle doesn't misure this extra lenght).

After i tested the reset TPS, higlighted in blues the field TPS ...

Ok, in the next week I will make your test and i Will be come Blue the field of TPS in your program.

I Will male the test of % in full throttle because i didn't see 85% but much more value (of i Remember well around 117%).

When i selected the field TPS (please see the last image) i read 15% when the throttle are in minimum position. If i remain in this field and i rotate the throttle i see an increase of value. i arrived around 117% (It was the end of throttle rotation)..
After this description I hope to describe that ...

Hi all,
i'm a new worker with MelcoDiag and M3C9 and i want to rebuild my M1100 (after an accident last year).
In this moment i'm working on M1100 engine and i changed my throttle system (with other TPS) because i damaged the original throttle system.
This afternoon i saw with Melcodiag, the error ...