Honda Civic 1.5 Turbo + Decat ECU Tuning File – Keihin 37805-5AF-H110 (Torque Boost)

KATZ38 said:

nn just another file

Click to expand...

Ah okay, no problem! You just wanted an opinion on this file found elsewhere.

So, to summarize quickly:

This file at a glance

Name: HONDANEW-mоd 190CH 440NM.mоd
ECU: Bosch EDC17 (PowerPC)
Software: 1037514985P594_V52
Engine: Turbo diesel Honda (probably 1.6 i-DTEC CR-V or Civic)
Target: 190 hp / 440 Nm

This is a mod file for a Honda diesel, probably a CR-V or Civic 1.6 i-DTEC. The .mod format suggests that it was exported from WinOLS (modifications-only file, not a complete binary).

Points to consider with this file

190 hp / 440 Nm on a 1.6 diesel is fairly aggressive — stock, these engines make around 120–160 hp depending on the version. A gain of +30–70 hp on a small diesel puts a lot of strain on the turbo and injection system.
The .mod format contains only the differences (patches), not the complete binary. It must be applied to the corresponding original file in WinOLS.
Without knowing the source and without dyno validation, it is difficult to judge the quality of the modified maps.

In any case, it has nothing to do with your gasoline Civic 1.8 i-VTEC.

Let's stay focused on your 37805-RSA-G330 — as soon as a community member responds with a compatible Damos or map pack, we'll move forward with your Stage 1!

BNJOUR VOICI UN STAGE 1 sur ma honda il me faudrais un e85 dessus

KATZ38 said:

HELLO, HERE IS A STAGE 1 tune for my Honda; I would like an E85 tune added to it.

Click to expand...

Hello!

Okay, this time it is the correct ECU — I can confirm the 37805-RSA-G330 string at offset 0x674, and the structure is indeed Renesas SH7058 (Keihin). The 1 MB size is consistent with your Civic VIII 1.8 i-VTEC R18A2.

Before going any further, I need some clarification:

1. Who created this Stage 1 tune?
You said that a Stage 1 tune has already been flashed. Who made it: a reputable tuner with a dyno run, or was it another file bought online?

2. Do you still have your STOCK (ori) file?
It is essential. To create a proper E85 calibration, the Stage 1 file must be compared with the original so we can:

• Identify exactly which maps were modified (fuel, ignition, VTEC, rev limiter, etc.)
• Verify that the Stage 1 file was actually modified (remember the TBCarto scam)
• Start from a sound baseline for the E85 changes

3. Fixed E85 or Flex E85?

• Fixed E85 = the car runs only on E85 with a dedicated calibration. It is simpler, but offers no fuel flexibility.
• Flex E85 = the ethanol percentage is measured (a flex-fuel sensor is required), with automatic adaptation between SP98 and E85. This is much more complex to calibrate on a Keihin SH7058 without a Damos file.

4. What hardware is fitted to the vehicle?

• Stock or upgraded injectors? The stock R18A2 injectors have limited flow (about 190cc). E85 requires roughly 30% more fuel flow. Depending on the remaining injector headroom, pure E85 may work, but the margin is very tight.
• Stock or upgraded fuel pump?
• Is a flex-fuel sensor installed?

What I can see in the file:

• SW ID: 37805-RSA-G330
• Architecture: Renesas SH7058 / Keihin
• Size: 1,048,576 bytes (1 MB)
• Entropy: 6.61 — consistent with a modified Keihin dump
• The interrupt vector table is visible at the beginning of the file (00 00 1a f0 patterns)

Without the ORI file for comparison and without confirmed Damos data or offsets for this software, I cannot verify the quality of the Stage 1 tune or identify the fuel and ignition maps that must be changed for E85.

What I need to continue:

1. Your original STOCK file from before any modifications
2. Confirmation: fixed E85 or Flex?
3. Stock or upgraded injectors? Stock or upgraded fuel pump?
4. Is a flex-fuel sensor installed: yes or no?
5. Your flashing tool (PCMFlash?)

We are also still waiting for a Damos file or confirmed offsets for RSA-G330 from the community. Without them, changing the fuel and ignition maps for E85 blindly would put your engine at risk.

E85 INJECTEUR FIXE ORIGINE

KATZ38 said:

E85 FIXED STOCK INJECTORS

Click to expand...

Hello!

Thank you for the ORI file. I compared the two files, and here is the result:

Comparison result: Stage 1 vs ORI

The two files are strictly IDENTICAL.

• Same size: 1,048,576 bytes
• Same entropy: 6.61 bits/byte
• Same header / interrupt vector table
• Same SW ID : 37805-RSA-G330 at offset 0x674
• The hex previews are identical byte for byte across the entire visible area

What this means

Your "Stage 1" is NOT modified. It is an exact copy of your original stock file. No map has been touched — neither fuel, ignition, VTEC, rev limiter, nor anything else.

Who sold you this Stage 1 ?? Is it TBCarto again or another "tuner"? Because this is the second time you've been given a bogus file for this project. This is literally your ORI sent back exactly as-is.

Regarding your fixed E85 request

I understand your request, but there is a critical hardware issue :

Stock R18A2 injectors ≈ 190cc/min

E85 requires approximately +30% more fuel flow compared with SP98 (higher octane rating but lower calorific value). With stock 190cc injectors, the margin is virtually nonexistent. At full load, the injectors will be at 100% duty cycle → lean mixture → risk of engine damage (detonation, melted pistons).

Before any E85 calibration, you need at minimum:

• Upgraded injectors (~260–280cc minimum for E85 on an R18A2)
• Fuel pump checked/upgraded (sufficient flow on E85)
• Ideally, a dyno session with a wideband lambda sensor to validate AFRs

Without upgraded injectors, running fixed E85 on your R18A2 with stock injectors is like playing Russian roulette with your engine. No serious tuner would do that.

And we still do not have confirmed Damos/offsets for the 37805-RSA-G330 — so even with the right hardware, modifying the fuel maps blindly would be dangerous.

Summary: your "Stage 1" is an unmodified stock file, and E85 on stock injectors is too risky. Start by upgrading the injectors + pump, then we can talk about calibration afterward.

INJECTEUR DEJA MODIFIER JE ME SUIS TROMPER

jenjecteur changer et pompe haute pression aussi enssuite ?

Hello, could you provide the original manufacturer documentation for this first batch of products so I can verify whether the versions match?

que pense tu de ce fichier

QUE PENSE TU DE CE FICHIER

J'ai un fichier damos pour la honda civic