Hondata

As long as all parameters are met it should activate. You should datalog to confirm.


Thank you Spunkster.

After further investigation, I believe I may have wired my relay incorrectly. Currently, I have:

30 - +12 battery
85 - Ground
86 - ECU (E21 VSV)
87 - Fuel Pump +

As I look at the help ...

Spunkster wrote: Tue Jul 15, 2025 9:00 am With it running make sure that all the parameters are met and it should activate.

Thank you for clarifying. With my specific settings, if I change the engine load minimum to 0, the pump should activate when I start as long as it idles above 1000rpm, correct?

I have a Generic Output/Always On E21 control using certain conditions to activate a 2nd fuel pump.

https://i.postimg.cc/sMLxRgtS/20250714-225230.jpg

In Kmanager, is there a way I can manually test that I have everything wired correctly? I would like to be able to turn the pump on through ...

Is Kpro4 not able to show N (neutral) or even 0 for the gear? The gear calculator is accurate other than that.

harris wrote: Thu Nov 16, 2023 12:51 pm Hey have you fix your issue with flex fuel sensor? are you getting error code P0176?

This has not been resolved yet.

Spunkster wrote: Fri Nov 03, 2023 5:05 pm details in the help file: https://hondata.com/help/kmanager/dtc_e ... ub=ethanol

I've read that. I have a brand new AGM battery, and I would also get the code before I even cranked the motor.

Spunkster wrote: Fri Nov 03, 2023 4:09 pm It must be running to read correctly.

What would have caused the P0176 "Ethanol sensor input error" when it was running briefly?

Spunkster wrote: Fri Nov 03, 2023 4:09 pm It must be running to read correctly.

I was not expecting that! I guess I may not have a problem and will check once I get the car running again.

Thank you!

Spunkster wrote: Fri Nov 03, 2023 3:59 pm Is the vehicle running or just sitting with the key in the on position when you are datalogging readings from the ethanol sensor?

Not running, key in turned to IGN.

I unfortunately don't have the ability to start the car at the moment for other, non-related issues.

Update: When I put my meter on the digital ground lead coming from Kpro, I get the same reading of resistance. Should I not be using that black wire as the ground for the sensor?

Arno wrote: Tue Oct 31, 2023 12:14 am

iBoost wrote: Mon Oct 30, 2023 6:15 pm GND- .476 ohms

Looks like your meter is showing a range in kilo-ohms though, so it would be 476 Ohm for the ground, which probably is too high and an indication of a bad connection somewhere along the line.

Bye, Arno.

Good eye! I will make a new wiring harness and test again. Thank you.

Serial# 42907
Version 4.5.6.0
Kpro v4 PRB ECU - Acura RSX

ISSUE: Ethanol content sensor reads 0.
20231030_171914.jpg

HISTORY: The car has sat for the last 10 months while converting to AWD. Previously, everything worked properly including the ethanol content sensor/reading. During the AWD ...

I just updated to the latest version of KPRO v4 on my PRB RSX. It installed the update, then a pop up said firmware will be installed and it froze. Now I can't connect and it says off line. How do I fix this?

I've got it all worked out now 👍

I've learned that inverting the output triggers the solenoid all the time. The solenoid is not triggered at all when that is unchecked.

I don't understand why the parameters are not being followed. What can I provide to help diagnose this?