Has anyone logged and done there own adjustments with the Ktuner? My friend just picked one up for his 13 TL SH-AWD manual. I've tuned with VWs and understand all of the parameters, but cant find any info about self tuning with the Ktuner. Is there a detailed how to with it anywhere? Thanks

 

There are a few videos on youtube but it was done for personnel reference.
I am interested in buying the Ktuner as well. There is one parameter that they have about changing the Vtec point for engine and shifting point for transmission.
If the shifting point can be changed, we can do pull and come up with the more precise shifting point compare to factory.

 

I know this is old but I wanted to drop some knowledge on what little I do know about self tuning with Ktuner.

1. Turn off rev hang. this is done in: Main Parameters -> Fuel Cut Settings -> Overrun Throttle Compensation (set to 0% to turn off rev hang)

2. Adjusting MAF sensor voltage output for air intake. I installed a Takeda SRI and noticed my full throttle AFR ratios were much lower than I'd expected (10-11 range). So I started monitoring my short/long term fuel trims and saw they were around -10% to -15%. I didn't notice this for a while because during open loop driving (aka, casual, calm driving) my AFR was hitting 14.7. So I had to adjust my MAF scaling to compensate for the air intake (I am actually in the process of reverting back to stock because stock air intake flows much better than this Takeda).

To adjust MAF, go to: Main Parameters -> MAF Scaling -> AFM Flow. You will adjust "g/s" to match your air intake. In my case, I had to lower the g/s numbers. This is easier to do in microsoft excel as you can copy/paste into the Ktuner. I started by reducing all "g/s" values by 0.05, uploading the tune, logging test data, then rinse/wash/repeat until fuel trims were around 0.

3. Yes, you can change your VTEC engagement. I have not done so yet as I am not a race car driver and do appreciate the fuel savings when VTEC is off.

4. Close Loop settings. Have not done yet but plan to do so when I install the stock air box again. Current WOT is set to target 13.4 and then 12.5 at higher loads.