Originally posted by mushitaro
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MSS54HP CSL CONVERT /// TUNER — v2.2.0 released
https://mss54hp-csl-convert-tuner.tsunagi.app/
I've been developing a large number of features and apps, so verifying this release took longer than expected. It also took time because I went back and re-studied a few things I had only a vague understanding of before. (I'm still not there yet, but this kind of research never really ends.)
The update reaches into a lot of small details, so I can't list everything — here are the main points.
Released
- Credits: my highest praise to karter16 and to everyone who has contributed to this research so far.
- TETV patch: now included in the MAP & LTFT on/off patch.
- VANOS offset adaptations excluded from the learned-value reset.
- Fast flash (including 125000 baud / flash counter reset): this covers reading as well as writing. Only the very first read takes time — after that, both reading and writing run at the higher speed.
- aq_rel_rf (RO) now shown in the live LAMBDA FEEDBACK view while driving.
- Restore of tuning maps.
- VE curve correction: experimental. It unlocks once tuning has converged to within 2% variation across all cells.
- Minor UI refinements.
Removed
- WOT (KF_TI_N_RF_VL) correction: I found it was removing fuel twice, so the feature is gone. If you enable the WOT transition threshold patch in this tool and tune at full throttle, you end up achieving what the WOT tuning feature was meant to do anyway.
Not ready for release yet
- RF_KORR_DRREL tuning: it requires anchoring each cell at ΔEGT ≤ 30, i.e. RF_KORR = 1.000, and logging that on Japanese highways is close to impossible. The feature is built, but I have no way to test it.
- Calibration: XDF built in, giving binary editing equivalent to TunerPro, plus Karter16's disassembly logic tree view, linked to the definition currently selected. The functionality is there, but it still needs adjustment.
- Built-in community patches: so that even someone new to CSL conversion tuning can do everything within this tool. Full binary writing will be implemented alongside it.
Notes
- A number of statistical settings are now exposed. If you aren't familiar with statistics, please leave them at their defaults. I spent most of my development time verifying the data processing on real drives and adjusting those defaults.
- Wherever a statistical setting is adjustable in the app, I've tried to include an explanation. Those explanations were generated by Claude, and I reworded them until I understood them myself — but with so many small fixes spread across the app, I haven't been able to review every comment. Please forgive any explanations that turn out to be wrong.
https://mss54hp-csl-convert-tuner.tsunagi.app/
I've been developing a large number of features and apps, so verifying this release took longer than expected. It also took time because I went back and re-studied a few things I had only a vague understanding of before. (I'm still not there yet, but this kind of research never really ends.)
The update reaches into a lot of small details, so I can't list everything — here are the main points.
Released
- Credits: my highest praise to karter16 and to everyone who has contributed to this research so far.
- TETV patch: now included in the MAP & LTFT on/off patch.
- VANOS offset adaptations excluded from the learned-value reset.
- Fast flash (including 125000 baud / flash counter reset): this covers reading as well as writing. Only the very first read takes time — after that, both reading and writing run at the higher speed.
- aq_rel_rf (RO) now shown in the live LAMBDA FEEDBACK view while driving.
- Restore of tuning maps.
- VE curve correction: experimental. It unlocks once tuning has converged to within 2% variation across all cells.
- Minor UI refinements.
Removed
- WOT (KF_TI_N_RF_VL) correction: I found it was removing fuel twice, so the feature is gone. If you enable the WOT transition threshold patch in this tool and tune at full throttle, you end up achieving what the WOT tuning feature was meant to do anyway.
Not ready for release yet
- RF_KORR_DRREL tuning: it requires anchoring each cell at ΔEGT ≤ 30, i.e. RF_KORR = 1.000, and logging that on Japanese highways is close to impossible. The feature is built, but I have no way to test it.
- Calibration: XDF built in, giving binary editing equivalent to TunerPro, plus Karter16's disassembly logic tree view, linked to the definition currently selected. The functionality is there, but it still needs adjustment.
- Built-in community patches: so that even someone new to CSL conversion tuning can do everything within this tool. Full binary writing will be implemented alongside it.
Notes
- A number of statistical settings are now exposed. If you aren't familiar with statistics, please leave them at their defaults. I spent most of my development time verifying the data processing on real drives and adjusting those defaults.
- Wherever a statistical setting is adjustable in the app, I've tried to include an explanation. Those explanations were generated by Claude, and I reworded them until I understood them myself — but with so many small fixes spread across the app, I haven't been able to review every comment. Please forgive any explanations that turn out to be wrong.
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