kahi
New Member
Posts: 4
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Post by kahi on Jun 9, 2022 16:31:52 GMT
Hello. I have a problem with coding the rear lamps, audi s3 2018. I converted the LEDs to yellow in the original US lamps. How to code so that the turn signal does not burn during braking? and how to code so that the brake does not burn when turning?
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Post by dv52 (Australia) on Jun 9, 2022 21:11:32 GMT
kahi : You have to put yourself in the shoes of those reading your post - we have absolute no information about your project other than what you tell us. For example - what does " I converted the LEDs to yellow in the original US lamps" mean?. If your car has common Brake and turn-signal operation - it must have been factory fitted with incandescent lamps (I assume). How did you manage to accommodate the extra lights in the LED fittings (the wiring)? Don
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kahi
New Member
Posts: 4
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Post by kahi on Jun 9, 2022 21:26:10 GMT
I desoldered the red LEDs and soldered the yellow ones from the turn signals. when I turn on For example the emergency lights it is like in the movie:
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Post by dv52 (Australia) on Jun 9, 2022 22:06:25 GMT
OK - that's a very unique way of converting "the LEDs to yellow in the original US lamps"!!!!
Are you sure the car is road-legal in Yankee-land with that particular arrangement of tail-lights (seems to be contrary to your DoT regulations)?
So - if you have soldered the red led to the yellow led - you have electrically joined the 2 x lamps (on either car-side). In electric-speak, this means that now the 2 x lamps are operating "in parallel" - meaning that there is ONE wire from the 2 x led pair connected to the central electrics module (which controls the lighting for the tails).
With only ONE wire, it's not possible to have the red led operate differently to the yellow led
Don
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Post by minde88 on Nov 3, 2022 21:57:14 GMT
Hi, have some problems with tail lights too, exetly with coding, 2018 facelift US inport with dynamic turn signals, change the tail lights from NAR to EU, try coding with obd11 apps from NAR to EU and now L and R lights in body dont work turn signals ant L and R on the trunk not dynamic, can you help me with coding pls ? 😉✌️
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Post by kent42 on Nov 8, 2022 13:45:33 GMT
Hello! Need help, I screwed up the dynamic coding of the rear lights of S3 2018 USA, now the turn signals of the outside lamps do not work. I would be very grateful if it comes across factory encodings 16-21
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Post by dv52 (Australia) on Nov 8, 2022 20:03:17 GMT
So, here's the thing about answering your questions about both of these cars - there ain't much information provided to understand either the nature of the problem and the (different) individual circumstances of the two retrofits! Put yourselves in the shoes of those reading these posts - yes, you both know lots about these individual cars. However, we do not! There are countless ways that these cars could have been equipped as factory-built and there are also many different after-market tail lights that may have been retrofitted (in many different ways). Here's some examples of the unknowns - were these cars built with incandescent or with LED tails (it matters because this determines the number of wires in the native tail-light loom)? Also, if the former type - how were greater number of lamps in the mew fittings managed? Was a cross wiring harness used (it matters because the harness changes the module pin assignment and therefore the Leuchte-programming)? And, if coding changes have been made (likely these modifications have happened) - what are these changes?
As I hope you have gleaned from my words above - there's no magic solution to these types of problems. It really is a case of starting from the beginning and building a solution based on the unique circumstances of each case. Which means sharing the basic information so that those reading these posts have a basic understanding of the facts!!
I've been doing this stuff for many years and the one certainty is that responding by guessing the facts simply doesn't work - alas!
Don
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Post by kent42 on Nov 9, 2022 7:23:34 GMT
Hi! Sorry for multipost On my car, I returned USA OEM dynamic led taillights. I've tried many encodings already, but the turn signals in the outside cluster do not work. Before changed only from 16-21 adaptations Car: Audi S3 2018 USA Taillights: Dynamic LED Number: 5Q 937 085 BN Component: BCM MQBAB MNA H36 0253 Wiring is now OEM Now is looks like this: Adaptation | 16 | 17 | 18 | 19 | 20 | 21 | A | Blinken links Hellphase | Blinken reigh Hellphase | Blinken reigh Hellphase |
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| B | Coming Home oder Leaving Home aktiv | Coming Home oder Leaving Home aktiv |
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| Blinken links Dunkelphase | Blinken reigh Dunkelphase | | | D |
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| | | Brakelamp | Brakelamp | F |
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| H |
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Post by dv52 (Australia) on Nov 9, 2022 20:33:09 GMT
kent42 : Arrhhh......... that's much better!!! So, I'm not really certain about the Leuchte-set allocations for NAR (North America Region) cars. However, your table kind-of, sort-of suggests that these assignments on your car align with those on RoW (Rest of World) models. Based entirely on the assumption that there is this alignment and using your table as a guide - maybe try this for the outside turn-signal problem (I'll use your nomenclature):
Leuchte18BLK lasttyp = 38 - LED Blinkleuchten
A Blinken links Hellphase (Dimmwert AB=127)
B C D E F G
Leuchte19BLK lasttyp = 38 - LED Blinkleuchten A Blinken rechts Hellphase (Dimmwert AB=127) B C D E F G
Don
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