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  #1  
Old 08-12-2010, 12:38 PM
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Bluetooth in 4.6is with TCU - help!

Guys

I bought a TCU on ebay (part no. 84106964113)

Anyway, plugged the 54 pin connector in from the boot, i am waiting for a new BT antenna from BMW which I presume has the cream FAKRA on it?

When turning the car on, I see no 'telephone' option on the nav screen. all the fuses are ok, and I have completely removed the old motorola phone and cabling from the armrest.

I am assured the TCU was working, what else can I try?

Thanks in anticipation

Sam
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  #2  
Old 08-12-2010, 02:23 PM
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forgot to say, i'm in the UK and car is a 2002 4.6is which had the old motorloa phone in the armrest before.

Thanks
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  #3  
Old 08-12-2010, 02:26 PM
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What kind of phone was your original system?...

I just noticed that you are in the UK. This could add a complexity. In the US market, we got fewer phone choices; therefore all of the pre-wiring is the same and compatible with the TCU modules. In European markets, BMW offered more phone systems, and some had different wiring. It gets tricky, because some of these other systems have the same 54-pin plug, but the wiring is not the same-- search the posts on the BIT II system, for example.
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Old 08-12-2010, 02:27 PM
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it was a motorola thing, not sure what else I can say about it, small, black, flip thing....!
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Old 08-12-2010, 03:51 PM
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2002 may mean you had the BITII. Check the WDS[/URL]. You will need Java and Adobe's SVG viewer. Search for TCU. If is a good idea to unplug the TCU until you are sure the wiring is correct, or permenant damage may occur.
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  #6  
Old 08-12-2010, 04:03 PM
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thanks, but I am not really sure what I am looking for on there!?
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Old 08-12-2010, 04:30 PM
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OK, so the formatting on this table is lost when I paste it in here, but this is the TCU pinout and wiring colours
15599 1 FS_MIC+ Mic + GE
X15599 3 CMD/DATA GE
X15599 5 DATA+ SW
X15599 6 Data- In GE
X15599 13 SE11 Talk? SW
X15599 15 K Bus K Bus WS/RT/GE
X15599 17 30<39 Fuse F39 10A RT/GE
X15599 18 30<39 Fuse F39 10A RT/GE
X15599 19 FS_MIC- Mic - SW
X15599 21 Mic Sheild
X15599 32 CHARGER RT/GE
X15599 33 TELON Tel On WS
X15599 35 R<7 Power on (?) VI/WS
X15599 36 31E<8 GND BR/SW
X15599 37 TELNF+ Audio Out+ SW/BR
X15599 38 TELNF- Audio Out- SW/WS
X15599 39 Sheild BR/SW
X15599 46 WS
X15599 51 TELM Mute GE
X15599 52 58G LCZ pin 1/Illumination GR/RT
X15599 54 31E<8 GND BR/SW




Where
RT Red
SW Black
GN Green
BR Brown
GE Yellow
WS White
VI Violet
GR Grey
BL Blue


Check you have the key colours in place for PWR, GND, IBUS, MIC, TEL Audio and Mute.
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Old 08-12-2010, 04:35 PM
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Quote:
Originally Posted by samcoombes View Post
it was a motorola thing, not sure what else I can say about it, small, black, flip thing....!
Can you post a picture and part number of the telephone module you removed from the trunk?
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  #9  
Old 08-13-2010, 02:49 AM
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will do when I get home from work - i did have a quick look, it is definately a black plastic box, motorloa sticker and other bits and bobs, and a big old fashioned computer style connector.

Think I may just resort to a Parrot kit - might be easier to sort!?
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  #10  
Old 08-13-2010, 03:39 AM
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You have the DB25 on the old kit? That's a BITII. Where did you get the DB25 to 54 pin adaptor? Some have made their own. Beleive me, the OEM kit is better than the parrot. Caller ID, phonebook, fading audio, stock mic, ruggedised mechanics. All you have to do is plug it in using the right adaptor.
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