Removal of Audi telephone prep from MOST ring

[mrdannyaitch]

This may well be a road I do not want to travel down, but I hadn't fully appreciated that the Bluetooth in a Dension unit would not necessarily play nicely with the car's bluetooth.

Having got my Dension now working correctly (which really was the goal of music over A2DP), I have been advised by their help desk that to clean up the not great quality of calls over Bluetooth (using the Dension rather than the car) would probably require me removing the OEM Telephone from the MOST loop so that the Dension and Car were not fighting each other.

Does anyone have any guidance on this? I would assume that I can unplug the "in" and "out" fibre optic leads from the OEM telephone kit and insert them into an inline socket (which I have left over from the install) in order to continue the loop of light. Any ideas where the telephone "brain" is based?

TBH I really don't want to get into taking the car to pieces to do this job! But if it does the trick and is easily done/reversible I'm willing to give it a try.

Dan

[craigyb]

It's under the passenger floor in the A6, you would have to remove the seat, trim and carpet to get to the module and buy a fiber loopback (around £12) from Audi to bypass the module or use your inline socket after removing the fiber cables from the phone fiber plug.

[mrdannyaitch]

Thanks for the quick response.

Nice and accessible then! Stuff that!

Do you have any idea where all of the satnav/radio/cd player fibre optics terminate in the car? In the old days everything would pretty much end up plugged into ISO leads behind the head unit!

[mrdannyaitch]

Further to my previous, is it likely that the pair of fibres optics that terminate at the cd changer will start at the telephone prep?

[gupsterg]

Don't know if you solved your issue... just thought be good info to add to thread for others...

Attachment 17927

The MOST Loop / fibre optical ring daisy chains modules.... so you add bridge at point in loop/chain where you remove module...

Above image modules

MMI layout
1 - Display unit for front information display and operating unit control unit -J685- in dash panel (centre)
2 - Front information display and operating unit control unit behind glove box
3 - Control unit in dash panel insert -J285- (instrument cluster) in dash panel
4 - Data bus diagnostic interface -J533- behind glove box
5 - Radio -R- with optional speech input control unit -J507- behind luggage compartment side trim (left-side)
6 - Digital radio -R147- behind luggage compartment side trim (left-side)
7 - TV tuner -R78-, digital TV tuner -R171- behind luggage compartment side trim (left-side)
8 - Navigation system with CD drive control unit -J401- behind luggage compartment side trim (left-side)
9 - Digital sound package control unit -J525- behind luggage compartment side trim (left-side)
10 - Telephone transmitter and receiver unit -R36- in front of front seat (left-side) beneath floor covering
11 - Multi-function steering wheel
12 - Media player in position 1 -R118- in glove box (left-side)
13 - Media player in position 2 -R119- in glove box (right-side)
14 - Steering column electronics control unit -J527- on steering column on steering column switch
15 - Multimedia system operating unit -E380- in centre console (bottom)

[mrdannyaitch]

No, I just left it alone!

Didnt want to have to take the seat out if I could avoid it, and I think I need to remove the tray/luggage points in the boot to get the battery out too.

Aggro!

.

[gupsterg]

I understand you still have Audi BT going on... but over time has BT functionality same or improved of Dension ??

[mrdannyaitch]

Aside from call quality it's identical, phone book etc is the same.

People say to me though that me to them on calls is fine, it's just them to me which is bad.