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Post by frenchy on Dec 6, 2020 21:21:15 GMT
Hello,
I'm new here and cannot find a similar thread.
I have an American spec 2020 Tiguan SE 4 Motion 7-seater (All space). I am trying to change the rear turn signals to be like the European turn signals--using amber turn signals. Currently, with the American turn signals, the outer rear lights, that also function as the brake lights, standard runners, and hazard blinkers, blink when turning. The white lens in the American tail light is inoperable because it is manufactured with no light bulb socket. So I went out and bought the European style tail lights which have the amber turn signals--the white lens is operable. Under the current coding, the lights function just as before, except the amber turn signals are inoperable. So I need assistance in coding the rear left and right outer lights so that: the red lens does not function as a blinker, but keeps its other functions; and I need the amber turn signals activated to function as turn signals and the hazard blinkers.
I've attached a picture of what my current tail light looks like.
Can anyone assist me? frenchy  |
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Post by Thirsty on Dec 7, 2020 11:11:57 GMT
Do you have the mk2 fl or the normal mk2?
And please post in the right subforum next time.
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Post by frenchy on Dec 7, 2020 14:56:52 GMT
Sir,
Funny. I posted this as a request. Didn't know I was out of forum.
If FL means the long body version, then yes this is the FL version.
Thanks for moving my post (well, I think you moved it).
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Post by Thirsty on Dec 7, 2020 15:13:52 GMT
Yeah i moved the topic  MK2 is 2016 - 2020 and MK2 FL is 2020 - I've moved the topic to MK2 FL because i wasn't sure. |
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Post by frenchy on Dec 20, 2020 15:47:02 GMT
Everyone,
Updating my post.
What I think I need is to modify sections 18, 19, 20, 21, 23, and 24 under Central Electrics (09).
I have replaced the OEM outer lights with the European ones so that I can have an amber turn signal.
If you have the setup in the picture, and a non-American VW Tiguan, can you post what your adaptations look like?
Thanks.
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Post by dv52 (Australia) on Jan 2, 2021 21:08:24 GMT
frenchy : Hi and thanks for the PM. Before I start, a few admissions to set the context for my response; I'm really not familiar with the 2020 Tiggy and because of the fact that I live in the very "deep south", I don't get to see many (any?) North American Region (NAR) vehicles down here in the Antipodes!
That said, your MY20 Tiggy is built on a MQB platform and I do like to fool myself into believing that I am familiar with this design base.
OK, first let's consider how your car controls the lamps on the tail light fittings. As you already know, on MQB platform vehicles like your Tiggy, the 35 x exterior lights are controlled by the central electrics module which happens to live @ address hex09 on the CAN network. It does this task via a bunch of electronics inside the module which eventually outputs 35 x separate power-supply waveforms onto 35 x pins on the module housing. Each of these pins is then connected to each individual lamp via wires that are inbuilt into the car's factory looms. So, in summary- each lamp on the tail-light assemblies on your Tiggy is wired back to a separate pin on the central electrics module.
The second consideration in your exercise is VW's prime objective to maximize profit for its shareholders. This manifests in a practical sense by what engineers call "manufacturing efficiency" and it means that wherever possible, cars that roll-off the VW production line are equipped with just the components that are needed, or said more correctly - just the components that the buyer pays for (i.e. NO EXTRAS!).
So, translating the facts above onto your project, the deficiencies in your project are clear (I hope). Your Tiggy was factory wired as a NAR model with tail-lights that had incandescent lamps. This means that the wiring loom connector that terminates at the actual fittings on your car has just the correct number of wires to suit the factory fitted tail light assemblies - which doesn't include a wire on each side of the car for separate turn-signals. Here-in lies your problem - I think!
The way that this problem has been addressed by your countrymen in the past on other MQB platform vehicles is either to physically install the extra wires back to the central electrics module, or to repurpose the existing factory wires that terminate on the tail-light connector. This second option is achieved by joining together the left and right side brake/turn-signal lamps so that these are controlled by one wire - thus resulting in a free wire that can be used for one of the turn-signal lamps. The same is done for the left and right side-light lamps to provide the second pseudo spare wire. I think that there are commercially available cross-wiring adapters that can be purchased for this task - though for obvious reasons, I've never pursued this option.
After the physical wiring matter has been solved - programming the Leuchte-sets is needed. But the coding changes required need to be tailored specifically to how the tail-lights have been re-pinned - because the physical wiring changes affect the function of each Leucthe-set.
Hope this makes sense
Don
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Post by frenchy on Jan 4, 2021 1:04:46 GMT
Sir,
Thanks for the reply! You initially fried my brain, but somehow, I followed it all.
I thought this would be like my 2015 Golf Variant's signals, which I could change through reprogramming.
Hmmmm. Thanks for the reply. Definitely something to think about.
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Post by mitko82 on Mar 18, 2022 11:55:45 GMT
frenchy Hi., did you fix the problem with the Tailights for your Tiguan ? i need help for mine
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