General Category > R1200 models

Fuel film strip problem

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schuppi:
- Autoscan finds no fault. ?
- Look at ZFE. It also finds no fault. ?

Hello
Did you really read and understand my postings?

Condition for fault identification
Terminal 15 on  > yes , otherwise you can't read anything out of the ZFE

Supply voltage for ZFE  between 9 V and 16 V >  yes , otherwise you can't read anything out of the ZFE

ZFE is correctly configured (film-type sensor as fuel level sensor) >  I hope so, because there is no complete auto-scan

The heating wires are activated by ZFE   >>  YES, if you activate the calibration test!
and >>  NO,  if you only try to read the codes after deleting the calibration fault.

The activation of the heating wires to get a plausible measurement are depending on the refuelling
and driving the bike.

So if you want to activate these wires for a test, start the calibration function with very dry level sensor outside the
tank. If that function failed with a stored fault like 41778 , ZFE will be off.

Hope this helps and I'm very impressed of the help that GS911  offers me ;D 

Ghiribizzo:
Schuppi - thank you for your help. Perhaps I have not understood some of your advice.
I have not had any problem with replacing strips in the past, but those strips were broken. When they were replaced and calibrated 'dry' they all worked after installation. Different motorcycles.

This machine - the strip in the bike is ok. I also have a new strip.
Which part am I not doing correctly?
* I am unsure what you mean by Terminal 15 on?

* In the past I would delete errors and then calibrate the strips 'dry' with a completely dry tank. No fuel at all.
This one - once errors have been deleted, if I try to calibrate a strip - after around 5 minutes I get this:

Then, if I check for errors I see this:

So - I apologise if I have not done some procedure.
What is your suggestion?
Again - i am unsure what you mean by 'Terminal 15 on'.


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schuppi:
 Hello

'Terminal 15 on'. means ignition on, so power supply to ZFE is given. You have done it :)
Otherwise there is no communication with ZFE.

But your pictures indicates that there is definitely no output from ZFE to heating wires.
Either you change this module or you open it, to look for some anomaly on the circuit board 8)

Hope this helps

Ghiribizzo:
Thanks Schuppi. [emoji1303]





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Ghiribizzo:
*if the ZFE was changed for one which works, would the bike have to be taken to BMW Motorrad to be keyed to the ignition switch and instruments or can it be substituted without any problem?


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