E90Post
 


PYSPEED
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > BMW Coding > Dead Combox?



Reply
 
Thread Tools Search this Thread
      03-14-2015, 08:59 AM   #1
gf3106
Private
gf3106's Avatar
United Kingdom
1
Rep
69
Posts

Drives: E92 335i N54 Coupe
Join Date: Jul 2014
Location: London, UK

iTrader: (2)

Dead Combox?

I have been attempting to retrofit a combox to my E92. Car only has TCU I am told.

Pin 1 is matched to pin 1 of harness ,Checked wiring pinouts on the PNP harness I have and all is in this order:

TCU-----COMBOX
01 ----- 25
04 ----- 10
15 ----- 07
17 ----- 01
18 ----- 01
19 ----- 12
21 ----- 11
23 ----- 22
31 ----- 18
33 ----- 15
36 ----- 14
37 ----- 21
38 ----- 20
50 ----- 17

Am getting nothing from the combox at all. No red lights on the optical port when connecting power / left plugged in even with ignition on. No bluetooth signal either. Am unable to communicate with the module in NCS.

When I plug my old TCU in the red optical light comes on instantly, so power / fueses seem ok as far as I can tell. Do I have a dead combox or am I missing something here? Any other way to diagnose a dead combox before I spend and source another!

Thanks
Appreciate 0
      03-14-2015, 10:35 AM   #2
glachhman2
Private First Class
4
Rep
104
Posts

Drives: 2007 335i
Join Date: Mar 2015
Location: Queens, NY

iTrader: (0)

Quote:
Originally Posted by gf3106 View Post
I have been attempting to retrofit a combox to my E92. Car only has TCU I am told.

Pin 1 is matched to pin 1 of harness ,Checked wiring pinouts on the PNP harness I have and all is in this order:

TCU-----COMBOX
01 ----- 25
04 ----- 10
15 ----- 07
17 ----- 01
18 ----- 01
19 ----- 12
21 ----- 11
23 ----- 22
31 ----- 18
33 ----- 15
36 ----- 14
37 ----- 21
38 ----- 20
50 ----- 17

Am getting nothing from the combox at all. No red lights on the optical port when connecting power / left plugged in even with ignition on. No bluetooth signal either. Am unable to communicate with the module in NCS.

When I plug my old TCU in the red optical light comes on instantly, so power / fueses seem ok as far as I can tell. Do I have a dead combox or am I missing something here? Any other way to diagnose a dead combox before I spend and source another!

Thanks
Is this a telematics or media combox. If telematics which I assume since you connected so many wires, power goes to #2 on combox connection not #1.
__________________
Formerly GLachhman
2007 e90 335i SGM
Appreciate 0
      03-14-2015, 02:40 PM   #3
gf3106
Private
gf3106's Avatar
United Kingdom
1
Rep
69
Posts

Drives: E92 335i N54 Coupe
Join Date: Jul 2014
Location: London, UK

iTrader: (2)

Quote:
Originally Posted by glachhman2 View Post
Is this a telematics or media combox. If telematics which I assume since you connected so many wires, power goes to #2 on combox connection not #1.
Thanks for this. Looked at the wiring more closely and swapped pins around, the combox has life! Red light, but still my CIC keeps saying 'please wait' under bluetooth, or any other functions to do with the combox?

Tried rebooting the CIC but might be time to have another look at my coding I guess.
Appreciate 0
      03-14-2015, 04:19 PM   #4
gf3106
Private
gf3106's Avatar
United Kingdom
1
Rep
69
Posts

Drives: E92 335i N54 Coupe
Join Date: Jul 2014
Location: London, UK

iTrader: (2)

SOLVED!

Default coded MEDIA and then CIC. Everything working well after that.

I still have no connected drive / apps / internet. Tried to enable in the TRC file but options do not exist. I presume I need to update the CIC & combox to latest firmware.
Appreciate 0
      03-14-2015, 05:55 PM   #5
glachhman2
Private First Class
4
Rep
104
Posts

Drives: 2007 335i
Join Date: Mar 2015
Location: Queens, NY

iTrader: (0)

Quote:
Originally Posted by gf3106 View Post
SOLVED!

Default coded MEDIA and then CIC. Everything working well after that.

I still have no connected drive / apps / internet. Tried to enable in the TRC file but options do not exist. I presume I need to update the CIC & combox to latest firmware.
Depends if you update cic to latest software you will need fsc for connecteddrive.
__________________
Formerly GLachhman
2007 e90 335i SGM
Appreciate 0
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -4. The time now is 08:57 AM.




e90post
e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2015, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST