med9.1.1 limiter that i cant figure

Bosch Motronic etc ECUs and PCMs
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lgtmelo
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Joined: Wed Feb 28, 2024 12:03 am

med9.1.1 limiter that i cant figure

Post by lgtmelo »

hi, please find attached the corresponding log in case checking it is necessary.

can someone point me to that could possibly limit the throttle opening other than KFWDKSMX (already maxed) and KLRLNMXN has more than enough load? MKBRMXWP, KFMDBGRG, KFMDBGRK, MIVMXPNGE, MIVMXNIVE, MDGAT, KFWDKSMX, all maxed from factory. KFPZU has limits over what im seeing so not it.

it can be seen from log that misopl1, and therefore, rlsol increases but throttle doesnt follow, up until the point where rl_w goes up regardless of throttle (because supercharger), so then throttle decides to open up. what else could i log?

car is a b8 s5 4.2, med9.1.1
a.jpg
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Knackersjewels
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Re: med9.1.1 limiter that i cant figure

Post by Knackersjewels »

Could be as simple as KFMIOP, or any of the torque tables. Boschs first way of torque limiting is by cutting throttle, before spark or fuel
lgtmelo
Posts: 23
Joined: Wed Feb 28, 2024 12:03 am

Re: med9.1.1 limiter that i cant figure

Post by lgtmelo »

if it was iop would i still get these numbers for misopl and rlsol or would it be already showing as the limited numbers?

i generated kfmiop from irl using excel:
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e6a7470d-56d6-415d-963c-01eb2b2d516f.jpeg
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Knackersjewels
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Re: med9.1.1 limiter that i cant figure

Post by Knackersjewels »

Fairly certain rlsol and misopl are calculated, so yes, I'd assume they will still change, regardless of limiters. Could be wrong, I only deal with ME9.6, but the basics are the same.
lgtmelo
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Joined: Wed Feb 28, 2024 12:03 am

Re: med9.1.1 limiter that i cant figure

Post by lgtmelo »

i will log the usual limiters then, and post back. thanks for your input.

i was under the impression that if there was any limiter, my misopl and rlsol would show as the limited values (i.e. it would be applied and shown).
lgtmelo
Posts: 23
Joined: Wed Feb 28, 2024 12:03 am

Re: med9.1.1 limiter that i cant figure

Post by lgtmelo »

Knackersjewels wrote: Sun Mar 31, 2024 9:34 am Fairly certain rlsol and misopl are calculated, so yes, I'd assume they will still change, regardless of limiters. Could be wrong, I only deal with ME9.6, but the basics are the same.
hi, i have logged all the torque limiters i could find, and they dont seem to be the issue. its like there is a TB limiter that i cant see.
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