current consumption issues Golf IV

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Irbiss
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04 мар 2018, 14:32

 

Сообщение  16 апр 2023, 17:37

Hey,

since last 2 two days my current consumption display isnt real to the driving situation in my Golf IV.
its shows some times 0,0 if i acclarate, next more then normal and somtimes the correct data.
There no issues in cluster, car is normal working.
The average consumption, oil & water tem. also correkt.
Maybe some can bus Problems?
How can i check this?

Reegads

Holger
Golf IV 2002
full FIS
RNS 510

Audi A4 (S4) B6
RNSE 193
RVC & OPS
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Сообщение  17 апр 2023, 05:37

You can see CAN bus problems on the CAN Status screen in the hidden menu.
Do you have fuel consumption readings on the diagnostics? Can you compare data?
What firmware version is installed?
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Irbiss
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04 мар 2018, 14:32

 

Сообщение  11 май 2023, 22:52

So, 1 day after my post, everything is running well.
Today same problems for 10 minutes while driving, after this time, everything ok.
Newest firmware istalled.
In diagnostic, correct data are displayed.
All other datas, including average consumption, are correkt.
This cant be a cable connection problem, or?
Golf IV 2002
full FIS
RNS 510

Audi A4 (S4) B6
RNSE 193
RVC & OPS
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autopilot
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Сообщение  12 май 2023, 11:36

Please see motor CAN information on the CAN Status screen (hidden menu).
During normal operation and after a problem occurs.
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Irbiss
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Сообщение  12 май 2023, 19:13

I checked oder firmware, same problem.

You mean this Can- Status- Screen?

Изображение
Golf IV 2002
full FIS
RNS 510

Audi A4 (S4) B6
RNSE 193
RVC & OPS
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autopilot
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Сообщение  12 май 2023, 22:59

Yes, this screen.
Too many errors on Motor-CAN. ColorMFA may interrupt data reception for a short time if there are many errors on the CAN-bus.
Make sure the wires are well connected. That they are twisted into a twisted pair.
Are there any non-original devices on the motor CAN bus ?
Are there any errors in the ECUs on this bus (motor, gearbox, abs/esp unit, dashboard, e.t.c.) ?
Have there been any problems with the abs/esp unit recently ?
Добавьте данные об автомобиле в подпись (профиль -> подпись). Чтоб не спрашивать постоянно... :)
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Irbiss
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Сообщение  13 май 2023, 07:09

Where are die motor- can errors displayed, in section "Ewarn"?
There are no errors in Log.
Motor Can, just connected with original devices.
No Problems with ESP.
Color MFA works fine since more then 6 years.

Here Can Status with everything is running:

Изображение

I will check the cabel connection...
Golf IV 2002
full FIS
RNS 510

Audi A4 (S4) B6
RNSE 193
RVC & OPS
Irbiss
Сообщения: 66
Регистрация:
04 мар 2018, 14:32

 

Сообщение  13 май 2023, 10:52

While my cabel check in the cluster, indeed, there was a cabel from the motor Can pin looks like a bit bruised.
After correction, the can screen (engine is running) looks so:

Изображение

Everething is working fine, i hope we have find out the problem.
Thx for help.
Golf IV 2002
full FIS
RNS 510

Audi A4 (S4) B6
RNSE 193
RVC & OPS
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autopilot
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Сообщение  13 май 2023, 11:21

Where are die motor- can errors displayed, in section "Ewarn"?
In good condition, all data on the columns of the CAN bus should be equal to zero. Always.
It is possible that when the ignition is turned on, some parameters will increase. This may be due to different initialization times in different ECUs. But it is unacceptable to change the values when the ignition is already on. If the values increase, then there are connection problems or problems in the operation of some ECUs.
Everething is working fine, i hope we have find out the problem.
Fine. The data really looks better.
Добавьте данные об автомобиле в подпись (профиль -> подпись). Чтоб не спрашивать постоянно... :)
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