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Windows not dropping for door open

birdy_z4
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Windows not dropping for door open

Post by birdy_z4 » Thu Feb 16, 2023 5:17 pm

Zforbes wrote: Tue Feb 14, 2023 8:29 pm :cry:

Sounds like a nightmare.

Potentially the window motor could be your next thing to consider at a relatively low cost and a potential source for a short.
Yep nightmare, couple of strange things

Petrol cap does not lock when car is locked sure it did before

Windows drop when roof operated
Windows work when manually operated

Inpa operation on door and window throws out API issue

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Zforbes
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Windows not dropping for door open

Post by Zforbes » Thu Feb 16, 2023 7:29 pm

Could the short be the fuel cap lock mechanism?

I take it the lock doesn't move whether the cap is open or closed, worth buying a used one and swapping, rules another thing out
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birdy_z4
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Windows not dropping for door open

Post by birdy_z4 » Fri Feb 17, 2023 2:36 pm

Zforbes wrote: Thu Feb 16, 2023 7:29 pm Could the short be the fuel cap lock mechanism?

I take it the lock doesn't move whether the cap is open or closed, worth buying a used one and swapping, rules another thing out
Yes true will check that out next have already got second hand frm and jbe and will have a look to see what’s around

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Windows not dropping for door open

Post by birdy_z4 » Sun Feb 19, 2023 12:00 pm

birdy_z4 wrote: Fri Feb 17, 2023 2:36 pm
Zforbes wrote: Thu Feb 16, 2023 7:29 pm Could the short be the fuel cap lock mechanism?

I take it the lock doesn't move whether the cap is open or closed, worth buying a used one and swapping, rules another thing out
Yes true will check that out next have already got second hand frm and jbe and will have a look to see what’s around
Fuel cap is not locking and manual release cable in the boot does nothing and not retracting so looks like this part definately an issue

Carried out wire consistency checks on doors, battery and frm disconnected, no breaks at all full resistance on the sensor cables listed in Ista D

Roof works fine, windows drop when opening and close when shutting, manually operate ok. New looks door and passenger all good too..

Replacement FRM coded to VIN which also comes up with 9cbc ....

The search continues

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Windows not dropping for door open

Post by Zforbes » Sun Feb 19, 2023 4:06 pm

Could you disconnect the fuel cap lock clear codes and see if it repeats?
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Windows not dropping for door open

Post by birdy_z4 » Mon Feb 20, 2023 10:56 am

Zforbes wrote: Sun Feb 19, 2023 4:06 pm Could you disconnect the fuel cap lock clear codes and see if it repeats?
Just trying to work out how to remove the fuel cap to get at the lock, could not find much in ista D

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Windows not dropping for door open

Post by Zforbes » Mon Feb 20, 2023 12:15 pm

birdy_z4 wrote: Mon Feb 20, 2023 10:56 am
Zforbes wrote: Sun Feb 19, 2023 4:06 pm Could you disconnect the fuel cap lock clear codes and see if it repeats?
Just trying to work out how to remove the fuel cap to get at the lock, could not find much in ista D
Something I haven't tried on a E89

My last car failed and I replaced it, the liner simply clipped in so prised out with trim tools. That was an audi though so might be completely different. Sorry I can't help.
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Windows not dropping for door open

Post by birdy_z4 » Mon Feb 20, 2023 2:55 pm

Zforbes wrote: Mon Feb 20, 2023 12:15 pm
birdy_z4 wrote: Mon Feb 20, 2023 10:56 am
Zforbes wrote: Sun Feb 19, 2023 4:06 pm Could you disconnect the fuel cap lock clear codes and see if it repeats?
Just trying to work out how to remove the fuel cap to get at the lock, could not find much in ista D
Something I haven't tried on a E89

My last car failed and I replaced it, the liner simply clipped in so prised out with trim tools. That was an audi though so might be completely different. Sorry I can't help.
Looks like wheel and inner lining removal from looking online

It may be a red herring but it did used to work before the issues, ordered second hand off eBay see how it goes

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Windows not dropping for door open

Post by Zforbes » Mon Feb 20, 2023 8:26 pm

:thumbsup: :popcorn:
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Windows not dropping for door open

Post by birdy_z4 » Fri Feb 24, 2023 6:24 pm

birdy_z4 wrote: Mon Feb 20, 2023 2:55 pm
Zforbes wrote: Mon Feb 20, 2023 12:15 pm
birdy_z4 wrote: Mon Feb 20, 2023 10:56 am

Just trying to work out how to remove the fuel cap to get at the lock, could not find much in ista D
Something I haven't tried on a E89

My last car failed and I replaced it, the liner simply clipped in so prised out with trim tools. That was an audi though so might be completely different. Sorry I can't help.
Looks like wheel and inner lining removal from looking online

It may be a red herring but it did used to work before the issues, ordered second hand off eBay see how it goes
Well that’s was fun getting to the petrol lock

Wheel liner removed nope also needed to remove petrol cap too :-(

So installed unit unlocks fine, but did not lock
Swapped over to replacement and exactly same :-(

Voltage on open none when locking

Maybe looking like an issue with JBE or fuse box

🧐

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Windows not dropping for door open

Post by Zforbes » Fri Feb 24, 2023 8:20 pm

birdy_z4 wrote: Fri Feb 24, 2023 6:24 pm
birdy_z4 wrote: Mon Feb 20, 2023 2:55 pm
Zforbes wrote: Mon Feb 20, 2023 12:15 pm

Something I haven't tried on a E89

My last car failed and I replaced it, the liner simply clipped in so prised out with trim tools. That was an audi though so might be completely different. Sorry I can't help.
Looks like wheel and inner lining removal from looking online

It may be a red herring but it did used to work before the issues, ordered second hand off eBay see how it goes
Well that’s was fun getting to the petrol lock

Wheel liner removed nope also needed to remove petrol cap too :-(

So installed unit unlocks fine, but did not lock
Swapped over to replacement and exactly same :-(

Voltage on open none when locking

Maybe looking like an issue with JBE or fuse box

🧐
:headbang: :headbang: :headbang: :headbang:

There is a clue there somewhere, must be related to the window drop
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Windows not dropping for door open

Post by birdy_z4 » Sun Mar 26, 2023 5:24 pm

Zforbes wrote: Sat Feb 11, 2023 4:47 pm No need to remove handle just the lock barrel
It's held in with a screw hidden behind a rubber grommet in the door opening.

Take note how it fits together, a bit more fiddley than passenger side.
After months of head scratching finally fixed my 9CBC window drop issue :roll: :roll:

Fuses checked
FRM checked ( second hand one registered, same issue)
Door wire consistency for breaks checked on driver and passenger (and rechecked)
Fuse box out completely and all connections checked
Door locks changed drivers and passenger

Still had the issue

Jbl out, second hand registered still same issue

So thought that the FRM had switched off power due to short circuit

Lots of online research also got a reading from dr.gini that showed faults where originally in door contacts but now fixed

Found a post that suggested to try the below

Problem solved:
the
SNU_TK_ABFRAGE_OHNE_PULSE = aktiv
needed to be:
SNU_TK_ABFRAGE_OHNE_PULSE = nicht_aktiv


Programmed the FRM with the change and it worked !

Windows now dropping and closing ……. :roll: 8) :D

Now I’ve just got to solve why my mirrors no longer fold in when locking the car or out when opening

Oh plus an MOT overdue

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Windows not dropping for door open

Post by Chippie » Sun Mar 26, 2023 6:17 pm

So was the original FRM faulty and the replacement FRM not from an e89?
Glad you got it sorted and nice of you to update with the fix, that’s what’s great about this forum
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Windows not dropping for door open

Post by B21 » Sun Mar 26, 2023 6:22 pm

Blue Peter badge for perseverance :thumbsup:


And as Chippie says good to get the solution posted..
We choose to go to on with this endeavour at this time and do the other things, not because they are easy, but because they are hard..

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Windows not dropping for door open

Post by Zforbes » Mon Mar 27, 2023 9:50 am

birdy_z4 wrote: Sun Mar 26, 2023 5:24 pm
Zforbes wrote: Sat Feb 11, 2023 4:47 pm No need to remove handle just the lock barrel
It's held in with a screw hidden behind a rubber grommet in the door opening.

Take note how it fits together, a bit more fiddley than passenger side.
After months of head scratching finally fixed my 9CBC window drop issue :roll: :roll:

Fuses checked
FRM checked ( second hand one registered, same issue)
Door wire consistency for breaks checked on driver and passenger (and rechecked)
Fuse box out completely and all connections checked
Door locks changed drivers and passenger

Still had the issue

Jbl out, second hand registered still same issue

So thought that the FRM had switched off power due to short circuit

Lots of online research also got a reading from dr.gini that showed faults where originally in door contacts but now fixed

Found a post that suggested to try the below

Problem solved:
the
SNU_TK_ABFRAGE_OHNE_PULSE = aktiv
needed to be:
SNU_TK_ABFRAGE_OHNE_PULSE = nicht_aktiv


Programmed the FRM with the change and it worked !

Windows now dropping and closing ……. :roll: 8) :D

Now I’ve just got to solve why my mirrors no longer fold in when locking the car or out when opening

Oh plus an MOT overdue
Excellent news, as others have commented understanding the fix and posting the results :thumbsup:

I'm assuming someone's previously coded the mirrors to fold when locking?

Mine don't fold until I press the fold button, think that is standard.
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