Central Electronic Module - Coding

You have 3.7, I've got 3.62, where'd you grab that from then, lol.

So you need to check your wiring against the 09 wiring for a car that has the 30 byte module, so ask someone with a facelift car with xenons with the N module what there engine code & car info is so you can go through elsawin & compare, this should lead you to see wiring differences mate.
 
I just got it from torrents.ru :)



That's kind of a long shot for me... Where do I get car info from a matching face-lift model (mine doesn't have xenons yet)
Can I just fool elsawin and enter a higher year in vehicle enquiry?
 
You can ask anyone on the forum mate, they would be glad to help, you can enter what year you like but it needs the engien code really to pull up right info.

You have yours so just need a comparison for a later model, then can check the illumination circuit wire by wire, whats your engine code & gearbox.
 
audi upgrades
I've been looking in elsa for 2009 model and wiring seems (a first look) different.
Probably it need more than 3-4 wires to be moved :(
Problem is that I have to take ALL of wiring and compare them (big thing for me :))
 
So, I did some compairing some connectors G and E from 2007 and 2008 (http://www.audi-sport.net/vb/showpost.php?p=770439&postcount=28) and the wiring are identical...
Elsa doesn't separate clearly the models... It's says from May 2006 or for model 2007 onwards...
For new models it says from May 2008. So an engine and gear box code from a 2009 model is useless.
Will compare others connectors too, but I have a feeling that they will be the same... :(
 
I found Pin assignment, onboard power supply control unit -J519
A97-10215.jpg


Connector A (11-pin)
Pin 1: Terminal 30 right
Pin 2: Dipped beam right
Pin 3: Main beam right
Pin 4: Fog light right
Pin 5: Vacant
Pin 6: Flasher front right
Pin 7: Side light front left
Pin 8: Flasher side left
Pin 9: Terminal 31 left
Pin 10: Electric fuel pump relay
Pin 11: Terminal 50 relay

Connector B (12-pin)
Pin 1: Reversing light right
Pin 2: Vacant
Pin 3: Light sensor supply
Pin 4: Fog tail light, left
Pin 5: Brake light right
Pin 6: Vacant
Pin 7: Footwell light
Pin 8: Vacant
Pin 9: Side light rear right
Pin 10: Rear right turn signal
Pin 11: Interior lighting
Pin 12: Terminal 58s

Connector C (12-pin)
Pin 1: Seat heating shut-off
Pin 2: Brake light left
Pin 3: Vacant
Pin 4: Coming Home LED
Pin 5: Vacant
Pin 6: Vacant
Pin 7: Vacant
Pin 8: Number plate light
Pin 9: Brake light centre
Pin 10: Side light rear left
Pin 11: Rear left turn signal
Pin 12: Vacant

Connector D (11-pin)
Pin 1: Terminal 30 left
Pin 2: Fog light left
Pin 3: Main beam left
Pin 4: Dipped beam left
Pin 5: Terminal 31 right
Pin 6: Vacant
Pin 7: Terminal 15 engine relay
Pin 8: Headlight washer relay
Pin 9: Flasher side right
Pin 10: Side light front right
Pin 11: Flasher front left

Connector E (16-pin)
Pin 1: Side lights switch
Pin 2: Brake light switch
Pin 3: Vacant
Pin 4: Vacant
Pin 5: Garage door opener input
Pin 6: Fog tail light switch
Pin 7: P/N without interlock switch
Pin 8: Dipped beam switch
Pin 9: Vacant
Pin 10: Vacant
Pin 11: Light sensor input
Pin 12: Coming Home potentiometer tap
Pin 13: Fog tail light switch
Pin 14: Assistance driving lights switch
Pin 15: EC mirror non-dipping
Pin 16: Light switch 0 setting

Connector F (8-pin)
Pin 1: Terminal 50 diagnosis
Pin 2: Terminal 15 engine diagnosis
Pin 3: LIN bus
Pin 4: Terminal L-alternator
Pin 5: Bonnet contact
Pin 6: Reversing light switch
Pin 7: Terminal 30 reference
Pin 8: Terminal 31 reference

Connector G (12-pin)
Pin 1: Terminal 50 switch
Pin 2: Hazard warning lights LED
Pin 3: Rear window heater LED
Pin 4: Terminal 58s potentiometer ground
Pin 5: Vacant
Pin 6: Rear window heater button
Pin 7: Convenience CAN Low
Pin 8: Convenience CAN High
Pin 9: Hazard warning lights button
Pin 10: Terminal 58s potentiometer supply
Pin 11: Terminal 15 switch
Pin 12: Terminal 58s potentiometer tap

Connector H (12-pin)
Pin 1: Vacant
Pin 2: Vacant
Pin 3: Vacant
Pin 4: Vacant
Pin 5: Vacant
Pin 6: Vacant
Pin 7: Vacant
Pin 8: Vacant
Pin 9: Vacant
Pin 10: Vacant
Pin 11: Vacant
Pin 12: Vacant
 
Did some thinking... Can this be because I installed full interior led's with resistors?! Maybe they are throwing off the car electronics and "think" it doesn't have any ambient lights...
Will replace with stock bulbs to see what happens.
Unfortunately it got cold over here and can't check until spring...
 
drsilviuro said:
Did some thinking... Can this be because I installed full interior led's with resistors?! Maybe they are throwing off the car electronics and "think" it doesn't have any ambient lights...
Will replace with stock bulbs to see what happens.
Unfortunately it got cold over here and can't check until spring...
Click to expand...

Spring??? Where are you?

I was really hoping you had this sorted, its way over my head!
 
audi upgrades
Yeah.. you got the big ocean to keep you worm :laugh: When did you get 23 degrees F(-5 C) over there? We get in some nights 14F (-10C).
Have you seen snow this year? :laugh:
 
urgh, sounds unpleasant!!!! -5C isn't too rare here but I'm on the coast too so little snow. I rememember watching Rangers playing a Ibrox and none of the toilets or stalls worked as they were frozen, even the Clyde was frozen over.
 
I am having this same issue with revision P after installing European tail lights on my American 09 Face lifted A3 and coding with ver 10.6.0. I'm not 100% sure that the coding alone caused the "flashing" symptom, but if it helps - the last coding changes I made were in byte 24 and byte 25. Has any progress been made on fixing this little "issue"? Also, if any more info is needed from me, let me know....



Drew
 
I replied to your audiforum.us post.
 
You know, I didn't even realize before posting there, but that thread is about a different control module (8P0 907 063 A). They're posting useful info, but not for my situation. You say that your "audi friends" helped you? Does that mean a buddy at a dealership? I'm getting close to going to a dealership nearby to see if they'll work me a favor for cheap...

If I wasn't so busy at work for the next week, I'd be more active on this and call Ross-Tech and Oemplus about it. Maybe I'll wait...patience is a virtue right? Besides, it looks like a dance club in my car at night.



Drew
 
So did you resolve your module issues?
 
Also that pin layout is missing I to L connectors that the relays utilise.
 
A little thread resurrection :) I bought a brand new central electric (8P0-907-279-P). I've got rid of christmas lights but now I have no ambient lights. Also headlight switch, ESP, TPMS, cup holder don't lit as well...
Coding again was made with print screens of old one... Don't know if I should tick "speed dependent trunk lock active". Did they fix this?
Any ideas? NHN?
 
Last edited:
The labels would have only been corrected on an update of VCDS.

Useful thread, shame couldn't pin-point the exact problem. I'm assuming you replaced the LED's wit the stock bulbs without any luck?
 
Yeah.. that was no luck... had reached a dead end with that :(
 
you still having problems! I went for a k revision, had no problems. What headlight switch you got? If the light dimmer switch isn't wired/correct you won't get dash lights working.
 
I'm not sure what it's now, but will be buying this 8J1 941 531 G as I recently retrofitted bi-xenon adaptive headlights.
 
If anyone has wondered, this is the coding that 8P0907279 P module has from factory 008C5F040014108040000000000000000000FE075C020000000000000000
 
Breakthrough!!! I managed to get rid of blinking led!!
I started from factory coding and changed one bit at a time, and found out why I had this problem. It was a tweak of mine, as I wanted my turn lights turned on at 15% all the time. (Cool little feature - sad to let it go)



I've set it back to 128x1 and now it's perfect. I can put this to rest!!
 
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In case this ever happens to anyone else, I pulled my Central Electronics 09F unit and popped it open to find this!!

7EF565E3-65D1-447B-B791-0581EAB930CF-24047-000003D6DC436806.jpg
 
I'm having the same issue, interior leds on my nav/climate control/door switches flickering like crazy. What does setting the turn signals to 128 do? Wouldn't it be set to 0 from the factory? Mine was set on 0 on my factory unit. Any other suggestions for me?

drsilviuro said:
Breakthrough!!! I managed to get rid of blinking led!!
I started from factory coding and changed one bit at a time, and found out why I had this problem. It was a tweak of mine, as I wanted my turn lights turned on at 15% all the time. (Cool little feature - sad to let it go)



I've set it back to 128x1 and now it's perfect. I can put this to rest!!
Click to expand...
 
audi upgrades
I'm having same issue...
I did an update from 8P0907279F to 8P0907279N and my navy, steering buttons, climate, looks like an Christmas tree...
Any ideas to solve the problem?
Thanks
 
Just to inform that my problem was solved with the drsilviuro solution; bytes 7 must have 128 in those cases.
 
Hi all,
My climate control, radio and door switches look like a Christmas tree when lights are turned on...I took drsilviuro advice, this has stopped the flashing but I've notice if you set bytes 7 to 128 the dimmer switch does not have any affect on the led brightness, they stay bright.
Anyone else found this to be the case?
 
Thanks for this information about fixing the flickering issue. I just had this problem and now everything is fine.
 
Much thanks and grateful for this forum and this information! Had a short in my module and changed to a new one, with Christmas lights blinking and all!

Changed byte 7 to 128, and the blinking stopped! Everything is good now!
 
Hello,

Just found out this great thread.
I have a A3 8p with 8P0 907 279 F module, what is the best board upgrade? version K or N?
I'm looking to have foglight cornering.
Thanks!
 
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