VCDS and OBD diagnostic device in the On-Board Diagnostics Shop
Diesel, Engine Technology and Vehicle Technology. Repair, Maintenance and Diagnostics (OBD).

Audi A5 Headlight Wiring Diagram

 
New Topic Reply 🔗 🖨 Dieselschrauber - Index » Transmission, Chassis, Body & Interior
Author Message
TDI-GTI-4-Motion
Profi-Schrauber
Profi-Schrauber
Avatar-TDI-GTI-4-Motion

Joined: 02/22/2009
Posts: 3865
Karma: +127 / -0   Thank you, like it!

2002 Volkswagen Golf Consumption
Premium Support

Post07-05-2009, 23:43    Subject: Audi A5 Headlight Wiring Diagram Quote

Hello.

Does anyone happen to have a wiring diagram for the headlights of an Audi A5 with bi-xenon and cornering lights?
MfG. Michael

VW Golf IV TDI GTI 4-Motion Bj.2002 MKB/GKB: ARL/FEK
VW T4 Pritsche TDI Bj.1999 MKB/GKB: AXG/AFK (Selfmade)


Translated on 05-08-2026, 22:45.
Back to top Profile PM Garage
dieselmartin
Profi-Schrauber
Profi-Schrauber
Avatar-dieselmartin

Joined: 03/13/2003
Posts: 10121
Karma: +29 / -0   Thank you, like it!
Location: in der Werkstatt
2007 Volkswagen Passat
Premium Support

Post08-05-2009, 8:35    Subject: Audi A5 Headlight Wiring Diagram Quote

The headlights won't have a "schematic," they are "simple" devices.
It will only contain a plug, 2-3 cables, and many lamps.

"It's all controlled by the vehicle's network control unit."

Okay, please provide the German text you would like me to translate into English. I will only provide the translation.
Transparency, Teamwork
... there was another T.

I don't know what the f*ck it was.


Translated on 05-08-2026, 22:46.
Back to top Profile PM Garage
TDI-GTI-4-Motion
Profi-Schrauber
Profi-Schrauber
Avatar-TDI-GTI-4-Motion

Joined: 02/22/2009
Posts: 3865
Karma: +127 / -0   Thank you, like it!

2002 Volkswagen Golf Consumption
Premium Support

Post08-05-2009, 8:43    Subject: Audi A5 Headlight Wiring Diagram Quote

Well, it's connected to a 14-pin connector after all.
MfG. Michael

VW Golf IV TDI GTI 4-Motion Bj.2002 MKB/GKB: ARL/FEK
VW T4 Pritsche TDI Bj.1999 MKB/GKB: AXG/AFK (Selfmade)


Translated on 05-08-2026, 22:47.
Back to top Profile PM Garage
matthiasTDI96
Profi-Schrauber
Profi-Schrauber


Joined: 02/27/2003
Posts: 5886
Karma: +251 / -0   Thank you, like it!


Premium Support

Post08-05-2009, 9:16    Subject: Audi A5 Headlight Wiring Diagram Quote

wow, so that the Audi's "brain" is located in the headlights, and I would have bet like Martin that the commands come from the BNSG (German Federal Constitutional Court) and are implemented in the headlight. Probably each individual daytime running LED is controlled separately icon_smile.gif.

Silly question aside, isn't the A5 also somehow an A4 or A6? Surely they don't develop a completely separate wiring harness just for it...


Translated on 05-08-2026, 22:47.
Back to top Profile PM
TDI-GTI-4-Motion
Profi-Schrauber
Profi-Schrauber
Avatar-TDI-GTI-4-Motion

Joined: 02/22/2009
Posts: 3865
Karma: +127 / -0   Thank you, like it!

2002 Volkswagen Golf Consumption
Premium Support

Post08-05-2009, 9:19    Subject: Audi A5 Headlight Wiring Diagram Quote

matthiasTDI96 wrote:
Silly question aside, isn't the A5 also somehow an A4 or A6, at least they probably didn't bother developing a completely new wiring harness...


Okay, let me see. The ballast for the xenon headlights is also from an Audi A4. It starts with an 8K number.
MfG. Michael

VW Golf IV TDI GTI 4-Motion Bj.2002 MKB/GKB: ARL/FEK
VW T4 Pritsche TDI Bj.1999 MKB/GKB: AXG/AFK (Selfmade)


Translated on 05-08-2026, 22:48.
Back to top Profile PM Garage
dieselmartin
Profi-Schrauber
Profi-Schrauber
Avatar-dieselmartin

Joined: 03/13/2003
Posts: 10121
Karma: +29 / -0   Thank you, like it!
Location: in der Werkstatt
2007 Volkswagen Passat
Premium Support

Post08-05-2009, 9:25    Subject: Audi A5 Headlight Wiring Diagram Quote

Hmm?

The 3C also has a 12 or 14-pin connector attached to it.
Besides the xenon ballasts, there's nothing else intelligent about it.

Okay, please provide the German text you would like me to translate into English. I will only provide the translation.
Transparency, Teamwork
... there was another T.

I don't know what the f*ck it was.


Translated on 05-08-2026, 22:49.
Back to top Profile PM Garage
TDI-GTI-4-Motion
Profi-Schrauber
Profi-Schrauber
Avatar-TDI-GTI-4-Motion

Joined: 02/22/2009
Posts: 3865
Karma: +127 / -0   Thank you, like it!

2002 Volkswagen Golf Consumption
Premium Support

Post08-05-2009, 9:29    Subject: Audi A5 Headlight Wiring Diagram Quote

dieselmartin wrote:
The 3C also has a 12 or 14-pin connector attached to it.


If I remember correctly, your Passat also has cornering lights, right?
MfG. Michael

VW Golf IV TDI GTI 4-Motion Bj.2002 MKB/GKB: ARL/FEK
VW T4 Pritsche TDI Bj.1999 MKB/GKB: AXG/AFK (Selfmade)


Translated on 05-08-2026, 22:50.
Back to top Profile PM Garage
TDI-GTI-4-Motion
Profi-Schrauber
Profi-Schrauber
Avatar-TDI-GTI-4-Motion

Joined: 02/22/2009
Posts: 3865
Karma: +127 / -0   Thank you, like it!

2002 Volkswagen Golf Consumption
Premium Support

Post08-05-2009, 10:21    Subject: Audi A5 Headlight Wiring Diagram Quote

Do you have the wiring diagram for my Passat, or for an A4/A6?
MfG. Michael

VW Golf IV TDI GTI 4-Motion Bj.2002 MKB/GKB: ARL/FEK
VW T4 Pritsche TDI Bj.1999 MKB/GKB: AXG/AFK (Selfmade)


Translated on 05-08-2026, 22:50.
Back to top Profile PM Garage
dieselmartin
Profi-Schrauber
Profi-Schrauber
Avatar-dieselmartin

Joined: 03/13/2003
Posts: 10121
Karma: +29 / -0   Thank you, like it!
Location: in der Werkstatt
2007 Volkswagen Passat
Premium Support

Post08-05-2009, 10:26    Subject: Audi A5 Headlight Wiring Diagram Quote

The 3C with xenon headlights has "everything".
- Static cornering light
- Dynamic cornering light
- Bi-Xenon (which includes the shutter mechanism).
- and even parking lights icon_smile.gif.

[img]/download.php?id=2695[/img]

And yes, I have that "how-to" guide, and it contains battle plans.

I'll check on the weekend to see which one...
Transparency, Teamwork
... there was another T.

I don't know what the f*ck it was.


Translated on 05-08-2026, 22:51.
Back to top Profile PM Garage
TDI-GTI-4-Motion
Profi-Schrauber
Profi-Schrauber
Avatar-TDI-GTI-4-Motion

Joined: 02/22/2009
Posts: 3865
Karma: +127 / -0   Thank you, like it!

2002 Volkswagen Golf Consumption
Premium Support

Post08-05-2009, 10:30    Subject: Audi A5 Headlight Wiring Diagram Quote

dieselmartin wrote:
And yes, I have that "how it's done" document, and it contains battle plans.

I'll check on the weekend which...


Thank you in advance.
MfG. Michael

VW Golf IV TDI GTI 4-Motion Bj.2002 MKB/GKB: ARL/FEK
VW T4 Pritsche TDI Bj.1999 MKB/GKB: AXG/AFK (Selfmade)


Translated on 05-08-2026, 22:52.
Back to top Profile PM Garage
dieselmartin
Profi-Schrauber
Profi-Schrauber
Avatar-dieselmartin

Joined: 03/13/2003
Posts: 10121
Karma: +29 / -0   Thank you, like it!
Location: in der Werkstatt
2007 Volkswagen Passat
Premium Support

Post12-05-2009, 20:18    Subject: Audi A5 Headlight Wiring Diagram Quote

Sorry.

The book only contains information about standard H7 bulbs, not xenon bulbs.

Okay, please provide the German text you would like me to translate into English. I will only provide the translation.
Transparency, Teamwork
... there was another T.

I don't know what the f*ck it was.


Translated on 05-08-2026, 22:53.
Back to top Profile PM Garage
TDI-GTI-4-Motion
Profi-Schrauber
Profi-Schrauber
Avatar-TDI-GTI-4-Motion

Joined: 02/22/2009
Posts: 3865
Karma: +127 / -0   Thank you, like it!

2002 Volkswagen Golf Consumption
Premium Support

Post12-05-2009, 23:45    Subject: Audi A5 Headlight Wiring Diagram Quote

dieselmartin wrote:
Sorry,

The book only contains information about standard H7 bulbs, not xenon bulbs.

m;


"It's not that bad. By chance, I had a 3C in the shop yesterday for a tire change. Of course, I took advantage of the situation and measured some things on the headlight connector. The 3C also has a 14-pin connector, but only 8 pins are actually used."
MfG. Michael

VW Golf IV TDI GTI 4-Motion Bj.2002 MKB/GKB: ARL/FEK
VW T4 Pritsche TDI Bj.1999 MKB/GKB: AXG/AFK (Selfmade)


Translated on 05-08-2026, 22:54.
Back to top Profile PM Garage
New Topic Reply 🔗 🖨 Dieselschrauber - Index » Transmission, Chassis, Body & Interior
Similar articles and topics
Topic Forum
No new posts XENON...2 Bulbs, 2 Days, One Headlight General Tips
No new posts Doku Passat 3B, Scheinwerfer vibriert Faults & Documentation (Audi, VW, Seat/Cupra, Skoda)
No new posts Documentary about foggy headlights and odors inside Faults & Documentation (Audi, VW, Seat/Cupra, Skoda)
No new posts Audi A8 D3 Headlight Malfunction Electrical Systems, Vehicle Electronics, Multimedia
No new posts Schaltplan Audi A 4 Bj. 96 mit MSA 15.5 Steuergerät Diesel Engine Technology
No new posts Audi 80 B4 Schaltplan (Pinbelegung) Diesel Engine Technology
No new posts Looking for a wiring diagram for an Audi 100 V6, manufact... Diesel Engine Technology
Jump to:  
You cannot post new topics in this forum.