4Z7907551C O2 and EGT disable question

Pages: [1]

« previous next »

Author

Topic: 4Z7907551C O2 and EGT disable question (Read 4650 times)

IGA

Newbie

Karma: +0/-0
Offline

Offline

Posts: 12

	4Z7907551C O2 and EGT disable question « on: June 26, 2016, 11:36:32 AM »

Hi all.
I'm very glad that i found this great Nefmoto and S4Wiki sites. Thank all of you for that you shared so many knowledge's and experience.
I have allroad 2000 tiptronic C5 with ARE-engine. My ECU p/n 4Z7 907 551 C.
I don't find any xdf or damos files for this ECU. I find some of the addresses using 551M for disable O2 and EGT sensors, and then made all steps in S4Wikis "Rear O2 Sensors" section. I didn't make changes in ESKONF bytes because when i made them, ECU don't sense throttle pedal at all. I think some bytes in ESKONF different in C-box (551C) ECUs.
And at the end, it didn't work for me.
1. Its still a errors:

Code:

17527 - Oxygen (Lambda) Sensor Heating Circuit: B2 S1: Short to Ground
        P1119 - 35-00 - -
16538 - Oxygen (Lambda) Sensor B2 S1: No Activity
        P0154 - 35-00 - -

2. I'm still running 0-100 about 11.8 sec Cry

Hope somebody of gurus help me or at least guide me what to do next.

P.S.: Attaching my original file, xdf made from Nefmoto stage1.xdf for 551M, and my final bin which i running now.


	Logged

IGA

Newbie

Karma: +0/-0
Offline

Offline

Posts: 12

	Re: 4Z7907551C O2 and EGT disable question « Reply #1 on: June 26, 2016, 11:47:34 AM »

btw, this error has gone:

Code:

17861 - Exhaust Gas Temp Sensor 1 (G235): Open or Short to Plus
        P1453 - 35-00 - -

And at start before any modifications this error was

Code:

17528 - Oxygen (Lambda) Sensor Heating: B2 S1: Open Circuit
        P1120 - 35-00 - -

now it changed to

Code:

17527 - Oxygen (Lambda) Sensor Heating Circuit: B2 S1: Short to Ground
        P1119 - 35-00 - -


	Logged

nyet

Administrator
Hero Member

Karma: +608/-168
Offline

Offline

Posts: 12270

	Re: 4Z7907551C O2 and EGT disable question « Reply #2 on: June 26, 2016, 11:55:14 AM »

M and C are completely different files. They don;t share any address locations at all.


	Logged

ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex

IGA

Newbie

Karma: +0/-0
Offline

Offline

Posts: 12

	Re: 4Z7907551C O2 and EGT disable question « Reply #3 on: June 26, 2016, 11:41:37 PM »

Quote from: nyet on June 26, 2016, 11:55:14 AM

M and C are completely different files. They don;t share any address locations at all.

I don't use exactly same adresses, but i get several bytes(before or after searched value) in original M-file, and then search same bytes in C-file. If i have found only 1 match, then i decide this is the address for searched value.
You may view my xdf to know at i mean.
Do you have any other method ?
Thx.


	Logged

IGA

Newbie

Karma: +0/-0
Offline

Offline

Posts: 12

	Re: 4Z7907551C O2 and EGT disable question « Reply #4 on: June 28, 2016, 10:42:40 PM »

Seems its my fault.
B2 S1 is front O2 sensor Grin

b1=pass b2=driver s1=front(before cat) s2=rear(after cat)


	Logged

Pages: [1]

« previous next »

Jump to:

Navigation

Personal Tools

November 27, 2024, 10:36:49 AM

Welcome, Guest. Please login or register.
Did you miss your activation email?

Navigation

Personal Tools

Search