ryvn
New Member
Posts: 1
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Post by ryvn on Aug 12, 2020 21:18:52 GMT
Hello,
I have an Audi A3 8V 2014 which didn't come with "AUTO" lights, is it still possible to somehow code and turn on Headlights when unlocking the car?
Any help is appreciated
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Post by dv52 (Australia) on Aug 12, 2020 23:19:10 GMT
ryvn: hi
Because you want to "turn on Headlights when unlocking the car", you are referring to Leaving Home (LH). As you probably already know the official version of the LH function does require a light sensor to be installed - because it only works during nighttime conditions.
However, if you don't have a light sensor installed, you can still have a version of LH by turning-on the headlights whenever the internal overhead cabin light illuminates. Again as you will know, when you press the key fob to unlock the car (or, when you unlock the door manually), these cabin lights do light-up - so this method kind-of simulates the official LH function.
BUT (and there is always a "but") - this alternative method of LH is different to the official LH version because: - The LH lights will also turn-on during daytime hours
- The time that the simulated LH function will illuminate the LH lights will be equal to the time that the internal cabin lights are switched-on
- The LH lights will light-up at other times whenever the cabin lights are turned-on (not just when you press the open-door button on the key fob)
So, if you are comfortable with my "BUT" dot points - try this:
Simulated Leaving Home function (for MQB platform cars without light sensor)
- Go to the Central electrics module @ address hex09
- Select Adaptation
- In the search box, enter LC5 and select Leuchte6ABL LC5 (this is the left-side low-beam light)
- Navigate to Lichtfunktion C 6 and select this channel
- ONLY if the current setting for this channel is nicht aktiv, change the setting to Innenlicht
- Navigate to Dimmwert CD 6 and change to 100 if your car has halogen low-beam lamps, or change to 127 if the car has HID/LED lamps
- Press the green tick to implement these changes
- At some point after you press the green tick, you will be asked for a security access code - use the magic number 31347
- Back in the Adaptation search box, enter RB1 and select Leuchte7ABL RB1 (this is the right-side low-beam lamp)
- Navigate to Lichtfunktion C 7 and select this channel
- ONLY if the current setting for this channel is nicht aktiv, change the setting to Innenlicht
- Navigate to Dimmwert CD 7 and change to 100 if your car has halogen low-beam lamps, or change to 127 if the car has HID/LED lamps
- Press the green tick to implement these changes
- Exit OBD11 software (remove dongle from the car) - cycle the ignition and turn-off - Lock the car and try the tweak
Don
EDIT: .......and if you also want to use the low-beams for Coming Home (which doesn't require a light sensor) - change these channels in the central electrics module:
Außenlicht_uebergreifend
Coming Home Leuchten > Low beam
Coming Home Verbaustatus > automatic
Coming-home Einschaltereignis > Driver door
Menueeinstellung Cominghome, > 10 seconds
Menuesteuerung Coming Home Werkseinstellung > active
Leuchte6ABL LC5 Lichtfunktion D 6 > Coming Home oder Leaving Home aktiv
Leuchte7ABL RB1 Lichtfunktion D 7 > Coming Home oder Leaving Home aktiv
Make sure "Coming Home" is activated in the MENU on the MMI
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Post by bennyvag on Jan 9, 2021 0:47:26 GMT
Good evening I wanted to activate only the drl (without rain sensors) can you do this coding? By keeping the dipped headlights off
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Post by dv52 (Australia) on Jan 9, 2021 19:44:36 GMT
bennyvag: the tweak depends on what type of DRLs are installed on the car and what country you are from? Don
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Post by bennyvag on Jan 9, 2021 23:08:45 GMT
The car is Italian
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Post by dv52 (Australia) on Jan 10, 2021 19:54:22 GMT
You didn't answer my question about the DRL Lamp types, but I will assume they are LED. Post up the values on your car for Leuchte2SL VLB10 - I need ALL 19 x channels. You can either take screenshots from your mobile/tablet, or you can cut-and-paste the values from a back-up file
Don
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sale
New Member
Posts: 2
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Post by sale on Mar 12, 2021 11:47:56 GMT
Hi Don, I have done this trick with "Innen licht" for my Audi A3 8V. It works great already for past couple of months, I have adapted front Low-Beams and all of the rear lights. The only problem I have is with the front LED (daytime lights). I have tried to set all the other "bulbs" to Innen Licht, also tried both 127 and 100 dimwerts... Nothing helps.Important note: My headlights are additionally retrofitted (wasn't done while car was mine) to be BiXenon and LED DRL, before that it was just a typical Halogen Headlight. Thats why i dont have Auto-Switch, but only typical 3 switches (screenshot attached). Generally my LED DRLs are working fine, when i move the swith to position 2 they turn on, when I turn to position 3 both LED and Xenon turn on. Still even with this retrofit my LowBeams are working without any problems. I also had success with turning High-Beams and FogLights to Interior lights, but only these LED never worked. And they are the coolest ones. Maybe you can take a look at all of my current Front Lights settings, maybe you can notice where is the blocker. Plese let me know if you can help me. Thanks, Alex                     |
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Post by dv52 (Australia) on Mar 12, 2021 20:37:30 GMT
Alex: Hi and thanks for providing such a wealth of information with your question - it makes it so much easier for me!!
However, I'm not sure that I can help - your coding looks OK.
After market headlight fittings are an huge unknown because the designs of various manufacturers differ widely. My suspicion (guess, really) is that the power supply for the DRLs in the retro-fitted headlights on your car use what's called a T15 voltage. T15 volt is switched-on with the ignition. The other form of battery power is T30 volts, which is permanently on (regardless of the ignition). In this application, the tweak needs T30 voltage because the ignition is switched-off when the tweak operates. Again, I'm guessing this to be the reason for your problem
Don
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sale
New Member
Posts: 2
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Post by sale on Mar 13, 2021 0:08:29 GMT
Well, I guess this is completely your free will and yet you are helping so many of us. Therefore we should provide you as much info as we can.  Thanks a lot for your quick answer! 1) Actually I think you might be very right. There is this tiny moment when i turn on the ignition to the first position, and DRLs light up even do they are off and they turn of in a second because all the other interior lights also turn of. (It has to be that T15 thing) So what can I do, get someone to reconnect that light to another power source T30? Or this is not possible it is just that kind of headlight? 2) I also wanted to turn those DRL to be always on, I just move them to 100% aktiv and thats it? 3) I am planning to "retrofit" myself halogen tail lights to the LED tail lights. Anything I should have in mind (which model of lights or which connectors i need) so I dont end up with the same T15 T30 problem? Thanks, Alex |
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Post by dv52 (Australia) on Mar 14, 2021 2:58:23 GMT
So what can I do, get someone to reconnect that light to another power source T30? Or this is not possible it is just that kind of headlight? You could try this as an experiment: change Leuchte4TFL LB4-Lichtfunktion A 4 from Tagfahrlicht to nicht aktiv - this will deactivate the DRL function to the left-side lamp. Then try locking/unlocking the doors - has anything changed? Restore the setting and report your findings 2) I also wanted to turn those DRL to be always on, I just move them to 100% aktiv and thats it? hmm....... yes you could do this, but the reason why DRL lamps are deactivated at night is because the light fittings don't have cut-off characteristics - so the lamps will tend to blind on-coming traffic.
If you want to illuminate the DRL lamps at night, it's safer (for everyone) to add the Parking Light function to an unused alpha-pair in the Leuchte-set and to set the corresponding Dimmwert value to a low number (28, say) 3) I am planning to "retrofit" myself halogen tail lights to the LED tail lights. Anything I should have in mind (which model of lights or which connectors i need) so I dont end up with the same T15 T30 problem? I've lost count of how many pleas for help I've received from folk who have attempted the same project. My suggestion is to buy from a reputable supplier (are there any of these?) and to make sure that seller gives you the programming instructions with the new equipment (if they aren't truly P&P) |
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sat1i
New Member
Posts: 3
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Post by sat1i on Apr 22, 2021 13:50:53 GMT
Hi I coded on this way CH & LH with DRL Front light and Led back light. ( I don't have fog light, and i don't want CL &LH in xenon bulbs) CL i LH with interior light works fine but i have small problems becouse i have fault code of DRL lights (if i delete fault it will be back) I have this fault: ![]() Left daytime running lamp and parking lamp LED module Supply, open circuit/short circuit to B+ B12ECF2 right daytime running lamp and parking lamp LED module Supply, open circuit/short circuit to B+ B12EDF2 Is anyway to code front DRL lamp with interior lamp without this faults? My coding Front DRL Lights ( I cnow Dimmwert 100 is high but i park in work or home, and i deleted in C and D coming and leaving home but i think this is not problem):     |
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Post by dv52 (Australia) on Apr 22, 2021 20:02:41 GMT
I don't understand your point about deleting CH /LH. If your car has a light sensor - why do you want the inner light tweak?
Don
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sat1i
New Member
Posts: 3
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Post by sat1i on Apr 23, 2021 12:39:55 GMT
I don't have light & rain sensor. I have coded CH & LH by application earlier. But this is not problem. I think fault is becouse the interior light is dimming. Is any way to code interior light to on off without dimming?
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Post by dv52 (Australia) on Apr 23, 2021 21:25:30 GMT
Try this:
Leuchte4TFL LB4 and Leuchte5 TFL RB32
Change Dimmwert AB and CD to 127
Suggestion 2
leave settings as above and change Lichtfunktion C to not active |
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sat1i
New Member
Posts: 3
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Post by sat1i on Apr 24, 2021 15:10:25 GMT
Suggestion 1 work's fine. firs I change only in AB to 127 (work,s without faults) and second I change AB & CD to 127 (work's fine to witohut faults)
But my question is: It is savety for my DRL lights? I don't see anywhere in Leuchte 2,3,4,5 setted Dimmwert on 127 (stock max value was set on 100) / I have DRL with xenon lights/
Suggestion 2 doesn't work
When I Set in Leuchte 4,5 Lichtfunktion C to not active DRL lights doesn't work with interior lights
It is the same results (DRL doesn't work) when I set Lichtfunktion C to non actice in Leuchte 2,3
And second Question is: Why when I change settings to 100 in DimmwertAB & DimmwertCD (In Leuchte4,5) and change DimmwertCD (In Leuchte2,3) to 80 i have again fault. How it's work between Dimmwerts and Lichtfunktion A,B,C,D?
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Post by dv52 (Australia) on Apr 24, 2021 21:14:24 GMT
sat1i : Great - I'm happy that you have a solution to your problem. The answer to both your questions is my guess about how LED based DRLs operate on MQB platform vehicles. I say "guess" because there is nothing official by Audi/VW in the public domain about this. So, my guess is that the central electric module uses digital control for LED lamps and it uses analogue control for incandescent lamps. Specifically for DRLs, it appears that there is a need to set-up the power supply for these lamps and Leuchte 3 and Leuchte 4 does this. The Dimmwert channels use Pulse Width Modulation and based on my digital control hypothesis, the appropriate value in the power supply Leuchte-sets is 127. Don
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Post by shahwant96 on Jun 7, 2023 23:18:50 GMT
Hi Don,
I don’t have a rain/light sensor, but I do have Xenon headlamps. I’d like to have a simulated CH/LH function as mentioned above, but for it to be triggered by the locking/unlocking of the car rather than the interior lights going on/off. Is this at all possible? I don’t care if this will trigger the lights at all times of the day, I just don’t really want it to be attached to the interior lights.
I would want the LED DRLs + the fog lights to go on, NOT the low beams.
would love for this to work.
Many thanks!
Tariq
2014 Audi A3 / 1.4T / 4-dr / Xenon headlamps + panoramic sunroof
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Post by dv52 (Australia) on Jun 8, 2023 22:36:35 GMT
Tariq: Not possible alas!!!
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Post by sergi0dj on Jul 28, 2023 20:46:27 GMT
ryvn: hi
Because you want to "turn on Headlights when unlocking the car", you are referring to Leaving Home (LH). As you probably already know the official version of the LH function does require a light sensor to be installed - because it only works during nighttime conditions.
However, if you don't have a light sensor installed, you can still have a version of LH by turning-on the headlights whenever the internal overhead cabin light illuminates. Again as you will know, when you press the key fob to unlock the car (or, when you unlock the door manually), these cabin lights do light-up - so this method kind-of simulates the official LH function.
BUT (and there is always a "but") - this alternative method of LH is different to the official LH version because: - The LH lights will also turn-on during daytime hours
- The time that the simulated LH function will illuminate the LH lights will be equal to the time that the internal cabin lights are switched-on
- The LH lights will light-up at other times whenever the cabin lights are turned-on (not just when you press the open-door button on the key fob)
So, if you are comfortable with my "BUT" dot points - try this:
Simulated Leaving Home function (for MQB platform cars without light sensor)
- Go to the Central electrics module @ address hex09
- Select Adaptation
- In the search box, enter LC5 and select Leuchte6ABL LC5 (this is the left-side low-beam light)
- Navigate to Lichtfunktion C 6 and select this channel
- ONLY if the current setting for this channel is nicht aktiv, change the setting to Innenlicht
- Navigate to Dimmwert CD 6 and change to 100 if your car has halogen low-beam lamps, or change to 127 if the car has HID/LED lamps
- Press the green tick to implement these changes
- At some point after you press the green tick, you will be asked for a security access code - use the magic number 31347
- Back in the Adaptation search box, enter RB1 and select Leuchte7ABL RB1 (this is the right-side low-beam lamp)
- Navigate to Lichtfunktion C 7 and select this channel
- ONLY if the current setting for this channel is nicht aktiv, change the setting to Innenlicht
- Navigate to Dimmwert CD 7 and change to 100 if your car has halogen low-beam lamps, or change to 127 if the car has HID/LED lamps
- Press the green tick to implement these changes
- Exit OBD11 software (remove dongle from the car) - cycle the ignition and turn-off - Lock the car and try the tweak
Don
EDIT: .......and if you also want to use the low-beams for Coming Home (which doesn't require a light sensor) - change these channels in the central electrics module:
Außenlicht_uebergreifend
Coming Home Leuchten > Low beam
Coming Home Verbaustatus > automatic
Coming-home Einschaltereignis > Driver door
Menueeinstellung Cominghome, > 10 seconds
Menuesteuerung Coming Home Werkseinstellung > active
Leuchte6ABL LC5 Lichtfunktion D 6 > Coming Home oder Leaving Home aktiv
Leuchte7ABL RB1 Lichtfunktion D 7 > Coming Home oder Leaving Home aktiv
Make sure "Coming Home" is activated in the MENU on the MMI
How can I adjust the time of the interior lights so that the LH is not acting for so long? This morning I had the doors open doing a detail on the car, and the battery level dropped a lot because I had the doors open and the LH was acting with the headlights and the car almost did not start. dv52 (Australia) |
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Post by dv52 (Australia) on Jul 29, 2023 22:25:25 GMT
hmm.......... not sure - as I have already said, this tweak is NOT the same as the factory CH/LH function. Probably better to simply turn-off the cabin lights with the overhead switch when you open the doors for a long time.
Don
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Post by sergi0dj on Jul 30, 2023 0:32:05 GMT
Friend, the problem comes when I turn off the cabin lights with the switch above and open the doors and CH/LH also turns on, I don't understand why it acts like that. But with the top switch off I open the door and even though the interior is off the headlights still come on.
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Post by dv52 (Australia) on Jul 30, 2023 4:48:29 GMT
sergi0dj : Ooops......my bad. I just checked the wiring diagram. The overhead switch doesn't stop the power-supply to the interior lights -it simply stops the electrical current flowing through the lamps inside the cabin! So the power-supply to the simulated CH/LH lamps exterior to the car will still be active regardless of the status of the overhead switch inside the cabin. I can probably add an extra feature to the tweak to disable the simulated CH/LH function via a separate switching mechanism. Leutche-programming isn't very flexible-but it will allow the options below.
The simulated CH/LH function will be disabled if:
- If one of the rear doors is opened and remains open. You choose which rear door (i.e. rear-left door, or rear-right door, or either), or
- If the parking brake is applied, or
- if the trunk-lid is open
Entirely your choice!!
Don
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Post by ricardobr on Aug 5, 2023 20:49:41 GMT
Hello Don,
I searched all over the forum and I couldn't find it.
When I open the door the internal light turns on and the USB socket is energized for 30 seconds. How could I increase this time?
My Polo has kessy.
Thanks a lot!
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Post by dv52 (Australia) on Aug 5, 2023 22:06:43 GMT
hmm......... I don't know!!
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Post by ricardobr on Aug 5, 2023 22:13:50 GMT
Do you think would be a function from module (B7) or (09) ?
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Post by dv52 (Australia) on Aug 6, 2023 23:19:27 GMT
My guess would be 09
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Post by yoskata9 on Nov 3, 2023 14:09:55 GMT
Hello, I tried this settings and they are working very nice! Thank you!
But I have 2 questions , I have led/xenon front and taillights, and I want to ask if it's possible to make only drl to act when cabin is illuminated and also my taillights don't work , only front when unlock/lock the car? Thank you in advance! The car is Italian.
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Post by dv52 (Australia) on Nov 3, 2023 20:11:20 GMT
yoskata9: Hi. For the DRLs - post-up screenshots of Leuchte4TFL LB4 and Leuchte2SL VLB10 For the tail-lights - post-up screenshots of Leuchte20BR LA71 To be clear - I need to see ALL 19 x adaptation channels in your screenshots for each Leuchte-set Don
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Post by yoskata9 on Nov 3, 2023 20:26:45 GMT
Ok, Don i will provide screenshots in monday.. Thank you!
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Post by yoskata9 on Nov 6, 2023 13:25:59 GMT
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