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02-22-2012, 12:58 PM
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AudiWorld Newcomer
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Audi A4/RS4 Bi Xenon to Bi Xenon with AFS retrofit
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02-22-2012, 01:02 PM
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#2 |
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AudiWorld Newcomer
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I also took this screen shot of relevant level sensor info
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02-22-2012, 01:18 PM
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#3 |
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Also, is there anything else other than the head lights themselves connected to the interior wiring harness Can Bus ?
I only ask, as the old module was connected to the dash panel can bus only, but the new module is connected to both the Dash panel can bus and the interior wiring harness can bus. In my current wiring setup it has working direct comms with both headlights via this link. |
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03-10-2012, 09:24 AM
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#4 |
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How to do it ;)
There are plenty of threads on the internet showing how to retrofit bixenons or even bixenons with AFS, to an A4 B7 with Halogens (usually with the help of loom adapters from kufatec) however there is very little information on how to convert BiXenons to BiXenons with AFS. I have successfully managed to do this conversion so I am making this post as a guide.
First off big thanks to the A6 wiki, which actually had most of the information I needed but I did not believe it, as I was thinking how could Audi change so much of the system just to add cornering function. A6 Wiki here http://a6-wiki.de/index.php/Nachr%C3%BCsten Big thanks to Google as I use chrome browser which auto translated the A6 wiki into English for me. I would have gotten nowhere if that language barrier had not been removed. Big thanks to "Ghosting" a member of a German forum where they talk about Motors  as he also had useful information that helped this happen.Finally a BIG thanks to Dana at ross tech who spotted some coding of a module that I had missed. You will need A matching pair of cornering headlights, in the UK you can purchase them new (and cheap) from the link below this paragraph, but I dont think the new ones come with any control ballast/ignitor or bulbs http://www.allpartssouthwest.com/aca...k5_06_06_.html You will also need a 4F0 907 357 afaik C,D,E,F headlight control computer from an audi a6 but I strongly recommend an E or F variant, the B7 A4's would have come with E as standard just because of the years they were manufactured. F was the last variant (before the major change to the 4L0 907 357) and came with software to better cope with an issue on the headlight controller that results in 1 or both headlights flickering especially when older/ several hours of use. All Variants from B onwards can be firmware updated at the dealers to the latest firmware 4F0 910 357F You will also need VCDS/Vagcom and the appropriate cable as well as the necessary skills for joining wires. Fitting the headlights is a straight swap. Fitting the new control module requires some re-wiring of the 26 pin connector that plugs into it. Remove your glovebox Behind the glovebox (affixed to the roof of the cavity) is the old headlight controller 8P0 907 357, which I think is actually from an Audi A3, but don't quote me on that. the following is the pin outs for the 2 controllers Headlight for gaseous discharge light (Xenon plus) and automatic headlight range control from November 2005 8P0 907 357 Pin connections 1 Not Used/ Pin nonexistent on AFS/Headlight control Module 2 Connection (high bus), in dash panel wiring harness 3 Connection (low bus), in dash panel wiring harness 4 Not Used 5 Not Used 6 Front Level Sender (6/s) connection 7 Rear Level Sender (6/s) connection 8 Not Used 9 Not Used 10 Rear Level Sender (5/+) connection 11 Rear Level Sender (1/-) connection 12 Front Level Sender (1/-) connection 13 Not Used/ Pin nonexistent on AFS/Headlight control Module 14 Not Used/ Pin nonexistent on AFS/Headlight control Module 15 Right headlight range control motor, Pin 1 in connector at headlight 16 Left headlight range control motor, Pin 3 in connector at headlight 17 Left headlight range control motor, Pin 1 in connector at headlight 18 Left headlight range control motor, Pin 4 in connector at headlight 19 Left headlight range control motor, Pin 2 in connector at headlight 20 Right headlight range control motor, Pin 4 in connector at headlight 21 Right headlight range control motor, Pin 2 in connector at headlight 22 Right headlight range control motor, Pin 3 in connector at headlight 23 +(ive) 24 GND 25 Front Level Sender (5/+) connection 26 Not Used/ Pin nonexistent on AFS/Headlight control Module Headlight for gaseous discharge light (Xenon, plus), dynamic cornering lights and automatic headlight range control from November 2005 Pin connections 1 Not Used/ Pin nonexistent on AFS/Headlight control Module 2 Connection (high bus), in dash panel wiring harness 3 Connection (low bus), in dash panel wiring harness 4 Not Used 5 Not Used 6 Not Used 7 Not Used 8 Not Used 9 Not Used 10 Rear Level Sender (1/-) connection 11 Front Level Sender (1/-) connection 12 Rear Level Sender (5/+) connection 13 Not Used/ Pin nonexistent on AFS/Headlight control Module 14 Not Used/ Pin nonexistent on AFS/Headlight control Module 15 Not Used 16 Not Used 17 Not Used 18 Connection (high bus), in interior wiring harness. Pin 1 from both headlights (ie the wires that went to Pin 17 & 15) come here 19 Connection (Low bus), in interior wiring harness. Pin 2 from both headlights (ie the wires that went to Pin 19 & 21) come here 20 Not Used 21 Front Level Sender (6/s) connection 22 Rear Level Sender (6/s) connection 23 +(ive) 24 GND 25 Front Level Sender (5/+) connection 26 Not Used/ Pin nonexistent on AFS/Headlight control Module In short you need to do the following with the wires PS you need to remove the outer cover from the 26 pin connector there is a gate at one end that slides up you can then remove the black insert. You can use a point to undo the locking clasp for each pin in the connector (only undo the pin/s you are currently working with). Level Sensors PIN: 6 moves to 21 12 moves to 11 11 moves to 10 10 moves to 12 7 moves to 22 To my colour blind eyes they all look nearly the same colour, so I recommend labelling them before you start. Power for the headlight range and cornering motors. Remove the current wire for pin 18 and pin 20 join/solder them, they then need to be fed 12V+ from terminal 15 on the fuse block. this is the exact same place that pin 23 is currently getting it`s power from. Data Comms to the Cornering headlights pin 15 is Joined/Soldered to 17 new wire combination 15&17 moves to 18 19 stays where it is but pin 21 is Joined/Soldered to it the wires currently going to pin 16 and pin 23 can be removed from the connector, they are no longer necessary. If your 4f0 907 357 has actually come from an a6 not an a4 it will need to be logged into at address 55 and recoded as 00019 which is an a4 you will need to log into the computer at address 17 adaptation 60 and tell it you have curved lights. Thanks Dana The cover that went over the black insert for the 26 pin connector can no longer be used, either purchase the correct one for a 4fo 907 357 from audi or plug the black connector into the pins. BE WARNED that pin 1 and 14 (also 13 and 26) are non existant on the control module YOU MUST line pin 2 (and 15) of the black connector up with the first available pair of pins on the control module. If all goes well the only fault you should have with computer 55 (your 4f0 907 357)is 01539 - Headlights Not Adjusted 005 - No or Incorrect Basic Setting / Adaptation - MIL ON Freeze Frame: Fault Status: 11100101 Fault Priority: 2 Fault Frequency: 1 Reset counter: 40 Time Indication: 0 this essentially means your auto leveling sensors are not calibrated you can do it yourself badly on some flat ground, the instructions are on the internet but I recommend letting somebody with the proper headlight height adjust equipment do it for you. IF YOU HAVE ANY OTHER FAULTS ON COMPUTER 55 THEY MUST BE REMEDIED FIRST OR IT WILL NOT LET YOU CALIBRATE YOUR LEVEL SENSORS AND AFS AND AUTO LEVELING WILL NOT ACTIVATE, but you will be able to make your headlights move (to test functionality) using VCDS. I shouted that last bit because I ignored the " Right headlight power output stage" fault thinking it was unimportant as my headlights worked perfectly, I then spent ages checking and rechecking my wiring to try and find out why it would not let me calibrate my level sensors. It turns out my wiring was perfect and I just had a faulty right headlight ballast/ignitor. Last edited by Ice_Coffee; 03-14-2012 at 12:51 PM. |
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03-10-2012, 09:24 AM
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| Tags |
| 4f0, 4fo, 760, 8h0, 907357, 959, a4, afs, audi, b6, bi, coding, maudiworld, retrofit, xenon, xenons |
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