Hondata

Behavior resembles OEM TC kicking in aggressively since you dont have TC enabled.
BUT regardless i would start by fixing that AirFuel table bro, that is just wayyyyyyyyyy too rich!

If you need a new tune, see my signature for help... because wow. Plenty room for improvement there.


Thanks for ...

Spunkster wrote: Fri Jan 02, 2026 10:17 am Please post the calibration used directly here.

Can you download the file ?

I have tried to logout myself out testing.
It's downloadable.

Spunkster wrote: Fri Jan 02, 2026 10:17 am Please post the calibration used directly here.

The calibration is in the link below.
https://1drv.ms/u/c/8a7e48b6734db0aa/IQ ... g?e=LWJLC8

The password is H0ndata2025

My tuned car is FL5 JDM 37820-66V-J04
- Stock internal
- Turbo RV6 R660
- Intercooler Wagner
- HPFP Full-Race P0370A-A
- Boost 2 bar

Found the flaaping around 6,000+ rpm but just sometime not every run occurred.
After full throttle few times, I found misfire at high rpm also.
I assumed that because ...

Is the VTP as AC Switch input feature working with ECU 37820-PRD-013 ?

Spunkster wrote: Wed Feb 28, 2024 10:08 am That does not appear to be the wiring diagram for a Honda, as it says Lotus.

Can you guide me how to wiring
A/C on-off to pin B9 on EP3 ECU ?

Spunkster wrote: Fri Dec 15, 2023 10:23 am What oxygen sensor are you using?

VTP is B9.

Should i wire the “ECU 53 SEE SHEET 2“ in the red circle to B9 pin at the ECU then modify the calibration.

Am I correct ?

You need to try your ECU on a known working vehicle and see if it reads correctly. If it has the same issue, then the ECU is most likely damaged and would have to be replaced.

So, you mean the O2 wiring diagram for Civic Type R EP3 and Integra DC5 is the same right?

That's why you recommend for ...

When you datalog, what errors are you seeing?


Stock calibration, there are 2 error codes
- P0563: VBU Voltage High
- P1162: Air Fuel Ratio (A/F) Sensor (Sensor 1) slow response

Log file >> https://1drv.ms/u/s!AqqwTXO2SH6KgZwAc3cF6uFYBYNyFA

Custom calibration, I have disabled 2 items [P1167 ...

Spunkster wrote: Fri Dec 15, 2023 10:23 am What oxygen sensor are you using?

VTP is B9.

Thank you for clarifying.

Spunkster wrote: Tue Dec 19, 2023 10:06 am stock from what though?

Stock from DC5 [Integra Type R]

I'm using stock O2 sensor.

The ECU model is 37820-PRD-013

I'm facing 2 problems.
1. The primary PHO2 is not function. Look like heater is function not properly.
Because after running engine hard enough the O2 sensor functional normally.
I'm not sure the PRD ECU have different pin-out from the link below or not ?

https://www ...

I tried to install Hondata Mobile Dashboard but got error below.

“warning: do not install untested apps which require root privilege.”

This error is from .apk file or Hondata hack software ?

After upgrade to version 3.2.0.0

I have issue with move cursor left/right around datalog graph with arrows keyboard.

Is it possible to bring it back.
There are very difficult to move cursor with mouse or touchpad during tuning the car.

Ponsit