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  #201  
Old 12-30-2012, 09:28 AM
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WDS BMW Wiring Diagram System - Model Selection



BUT the handling isnīt as good as spaghetticoder i hope the will bring bmw wiring back
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  #202  
Old 12-30-2012, 11:12 AM
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I found the VIN from the old car and the TCU is from a 3L X3. As the tcu was manufactured 26.9.2005, the wiring from such a car should be:

(edit)

Sadly its the same wiring
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  #203  
Old 12-30-2012, 02:22 PM
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Triple-check that you have +12V on pins 17 & 18, Ground on pins pins 36 & 54, and ~+7V on pin 15. Do this with the TCU removed and triple-check that you have the pins identified correctly. If the TCU has +12V, ground, and I-Bus, then the Telephone option will appear on your nav menu or MID.

In my experience helping people with TCU/ULF retrofits, mot of the problems are due to a wiring fault in the adapter harness, and only a few are a bad component. So, assume that your wiring is bad and work from there. If you do the triple-check and still get no results, then maybe you have a bad TCU.
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MKIV Navigation, 16:9 Display, Bluetooth, TV/Video with Backup Camera, Sirius, and Aux Input
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  #204  
Old 12-30-2012, 04:19 PM
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i will scope the IBUS signal tomorrow morning.
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  #205  
Old 12-31-2012, 06:33 AM
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Ibus is connected and alive -> TCU is dead.
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  #206  
Old 01-09-2013, 05:10 PM
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Short update: i bought an 2006 ULF, plugged it in and it works fine.

just one little problem, which pins at the 18pin connector need to be connected to simulate the pairing button? i was not able to find it at the wiring diagrams
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  #207  
Old 01-09-2013, 05:20 PM
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As usual CCJF1 to the rescue.

Quote:
The old eject box had 4 wires.

1: Green (pair)
2: Brown (gnd)
5: Red (+12v)
13: white (Cradle on)
http://www.xoutpost.com/electronics/...168-940-a.html

I think you GND the pair button, test it with a meter to see if it's idle low or high then pull it the other way.
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  #208  
Old 01-09-2013, 05:35 PM
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Quote:
Originally Posted by big bob View Post
I think you GND the pair button, test it with a meter to see if it's idle low or high then pull it the other way.
Yup, you ground the pairing pin to initiate pairing.
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  #209  
Old 01-09-2013, 05:51 PM
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thanks alot, but got it sorted with the unnamed bmw software
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  #210  
Old 06-27-2016, 08:39 PM
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TCU retrofit help

I have '05 330i that didn't come with assist or navigation. I've installed a TCU, Bluetooth antenna, and microphone. The TCU is part # 84106965056. I've verified online that this unit should work with an e46. I can't get my car to detect the TCU in DIS, INPA, or NCSexpert. I've verified that my wire harness is configured for US TCU-Everest, not BIT. According to WDS pins 17 & 18 are constant power from the battery. When I test those wires I get less than 1v. Can someone test pins 17 & 18 and tell me how much voltage you are getting? Or is there a resource that shows how much voltage each wire is supposed to be getting? Any help would be greatly appreciated.
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