Seatbelt warning

[2work]

Thanks John,

I best get the tools out then. I’m sure this will be a quick experiment, 1 wire from Pin27 (green connector) to the buckle and one from the seat buckle to a good earthing point (base of either A Pillar). The cluster in question is already correctly coded for this to work. Should be done in under 60 minutes as have already made the loom up (but probably too long) so ready to go once I find a window of opportunity.

Thanks again John.

Kind regards,

Tom

 

[paolo_audi]

Morning Tom, I am also available to upload video on youtube. Just send it to me via whatsapp.
Thanks for your help, it will be precious to me !

 

[2work]

Evening all,

Apologies for not getting this modification completed last week as promised. The weather was atrocious and didn’t feel the need to go out to remove the drivers seat and some interior panels.

I’ve just this evening done it though and my findings are below.

What I can say though is that the A2 instrument cluster, if coded to do so, does indeed provide 6 bongs/gongs if Pin#27 (green connector) is earthed. I’ll get a short clip added later this evening. Don’t expect anything special though.

Upon removing the instrument cluster I noticed that Pin#27 (green connector) didn’t have any wire coming from it. It did have a new pin that can be utilised though, winner!

The simple seatbelt warning 2 wire circuit is as follows (the pinout below is for explanation only).

Pin#1 goes to Pin#27 on the Green Connector. This is very quick and easy to do if you’re confident enough to remove the instrument cluster and add correct gauge wires to pins.

Pin#2 goes to an earthing point. There are multiple points available throughout the vehicle and even a good source on the red electric lumbar connector in the Sport variants.

The audible 6 bongs/gongs are heard when the earth point pin is connected to the other pin that goes to the instrument cluster. When the seatbelt clip is inserted into the buckle then this 2 wire earthing circuit is interrupted. Quite simple really.

I’ve completed the electrical work but got stuck when attaching the A5 seatbelt buckle to the seat as the mounting hole for the securing bolt is too small for the bolt within the A2. Should I wish to have this as a permanent modification then I would purchase the correct seatbelt buckle from Audi Tradition. Maybe there is another Audi buckle with the 2 wire circuit which would fit.

I’m heading out shortly so will get a short video clip sent to John @johnyfartbox who should be able to provide a link to add to this post, again don’t expect anything special and be prepared to be annoyed and realise why no one else has done this before.

I must say that we all belt up before pulling away on all journeys, this was done purely out of my need to meddle with things and experimentation.

Kind regards,

Tom

 

[paolo_audi]

Hi Tom,
great job ! Thanks so much for you help and your test and for time spent for help other people !
I will buy the A2 seatbelt buckle and connect it to the instrument cluster.
Very happy for this positive news !!

 

[2work]

Hello again all,

As promised, I sent John the clip earlier who has since hosted it on his YouTube channel.

Edit: Have since opened my own YouTube channel to host this.

The clip was taken with my iPhone which was in front of the steering wheel, as such the microphone has really picked up the bongs/gongs.

Honestly, it’s not as bad as it may sound on the clip but is certainly just as annoying as the low fuel warning tone etcetera.

Dragged this out long enough now I think…. Here it is for you all to understand why no one else has done this before:

Turn your volume down

Kind regards,

Tom

 

[Tomscar]

Hi Tom ... just to drag it on a bit longer ... does plugging in the seatbelt before turning the key cancel the bongs and seatbelt warning light or does it just give a reminder regardless whether you are belted or not ... if that makes any sense?

 

[paolo_audi]

I suppose that once you start to drive if the seatbelt is not fasted then it keeps ringing

 

[Tomscar]

I suppose that once you start to drive if the seatbelt is not fasted then it keeps ringing

Not sure Paolo ... that's how it works on my Skoda and gets increasingly more insistent if you ignore it ... hopefully Tom will have the definitive answer now that he has it up and working .... does it keep reminding you or just give the six bongs whether the belt is engaged or not.

 

[2work]

Hi Tom ... just to drag it on a bit longer ... does plugging in the seatbelt before turning the key cancel the bongs and seatbelt warning light or does it just give a reminder regardless whether you are belted or not ... if that makes any sense?

Evening Tom,

It seems I missed about of the information out, apologies. Yes that makes sense Sir. Clipping the seatbelt clip into the buckle (disrupting the circuit) before switching the ignition does cancel out the 6 bongs. It doesn’t stop the visual warning though.

The bongs and warning light only present themselves as part of the cluster start up sequence. I don’t think disrupting the circuit (unclipping the seatbelt from the buckle) after this start up sequence will initiate with the visual or audible warning, more testing required I think.

Hope that make sense.

Kind regards,

Tom

 

[2work]

I suppose that once you start to drive if the seatbelt is not fasted then it keeps ringing

Not sure Paolo ... that's how it works on my Skoda and gets increasingly more insistent if you ignore it ... hopefully Tom will have the definitive answer now that he has it up and working .... does it keep reminding you or just give the six bongs whether the belt is engaged or not.

Hi Paolo and Tom,

Apart from what I mention one post up, I’ve not conducted any further testing over 5 minutes whilst static.

Maybe the bongs may will recommence once at a certain speed or after a certain amount of time.

I’ll disconnect the loom tomorrow before setting off for work and will report my findings tomorrow evening.

Kind regards,

Tom

 

[Olerype]

How is this coded by VCDS?

 

[paolo_audi]

There is an option on 17 instrument “ seat belt warning “

 

[paolo_audi]

Hi Paolo and Tom,

Apart from what I mention one post up, I’ve not conducted any further testing over 5 minutes whilst static.

Maybe the bongs may will recommence once at a certain speed or after a certain amount of time.

I’ll disconnect the loom tomorrow before setting off for work and will report my findings tomorrow evening.

Kind regards,

Tom

Thanks !!

 

[2work]

How is this coded by VCDS?

Evening,

The below picture should help out:

I simply added a +2 to the initial figure of the Instrument Clusters coding.

11430 is my current coding for a 34l fuel tank with seatbelt warning, UK/RHD, 3 cylinder 1.4 TDI

09430 would be the coding to revert back to the same settings minus the seatbelt warning

Hope that makes sense.

Kind regards,

Tom

 

[2work]

Evening again,

Just been out for a 5 mile/10 minute drive with the 2 wire circuit constantly earthed.

Had the warning light and 6 bongs alert me that the seatbelt was not clipped in soon as the ignition was switched on (it was though, I just fooled the cluster to think the buckle was unclipped).

No additional visual or audible warning after pulling away or throughout the 5 mile/10 minute journey.

This feature only seems to give warning when the ignition is first switched on.

Kind regards,

Tom

 

[paolo_audi]

Morning Tom,
it's a pity !! It would be great if the gong alert continues when driving.
Thanks again for your test !!

 

[2work]

Morning Tom,
it's a pity !! It would be great if the gong alert continues when driving.
Thanks again for your test !!

Morning Paolo,

No problems at all. It’s was a fun little experiment which I thought needed some factual evidence to put your questions to bed. I notice you’ve been enquiring about this for some 12 months now, first mentioned here:

Seat belt warning

Anyone ever wondered about seat belt warning? A2 has seat belt warning lamp on instrument cluster (it is working also). But haven't found any information on google or this forum. Vag com coding, or retrofit?

www.a2oc.net

Hopefully you’re question is now fully satisfied from the information over the last few posts.

Kind regards,

Tom

 

[Tomscar]

Morning Paolo,

No problems at all. It’s was a fun little experiment which I thought needed some factual evidence to put your questions to bed. I notice you’ve been enquiring about this for some 12 months now, first mentioned here:

Seat belt warning

Anyone ever wondered about seat belt warning? A2 has seat belt warning lamp on instrument cluster (it is working also). But haven't found any information on google or this forum. Vag com coding, or retrofit?

www.a2oc.net

Hopefully you’re question is now fully satisfied from the information over the last few posts.

Kind regards,

Tom

Thanks Tom ... an interesting experiment and now we know

 

[paolo_audi]

Morning Paolo,

No problems at all. It’s was a fun little experiment which I thought needed some factual evidence to put your questions to bed. I notice you’ve been enquiring about this for some 12 months now, first mentioned here:

Seat belt warning

Anyone ever wondered about seat belt warning? A2 has seat belt warning lamp on instrument cluster (it is working also). But haven't found any information on google or this forum. Vag com coding, or retrofit?

www.a2oc.net

Hopefully you’re question is now fully satisfied from the information over the last few posts.

Kind regards,

Tom

Completely satisfied !! THANKS

 

[2work]

Completely satisfied !! THANKS

Evening Paolo,

Just wanting to add a bit more information for your good self along with anyone else wishing to conduct this modification.

First up is to acknowledge that the correct seatbelt buckle from Audi Tradition is the way forward but is pricey at €60+ before delivery

What I initially tried to do was utilise was a later style Audi seatbelt buckle:

The above seatbelt buckle was too long and the securing bolt used within the A2 doesn’t pass through the base of the buckle strap. In an attempt to see what else might be possible I took the buckle casing off to see if the electrical element could be moved to the A2 buckle. Totally different internals and simply not possible.

Only today I collected this item which looks rather similar to the correct A2 buckle mentioned earlier in this thread. It’s from a Mk5 Seat Ibiza:

It has the very same red connector that’s on the aforementioned correct A2 seatbelt buckle. It’s also the same connector as the electric lumbar connector so the pins can be moved to this if you have a Sport model with lumbar. This is what I’ll do when I next have the seat removed. The connector cannot be plugged in incorrectly by design so is totally safe to do, much like all the other connectors which would result in an electrical catastrophe if they were not designed to only be connected one way.

The only issue I have with the Ibiza buckle is that it’s metal strap is 2 inches longer. No major problem but really want to retain the A2 buckle as it’s fits as Audi intended.

What I proceeded to do was remove the Ibiza buckles black casing with a hope that with it being from an earlier generation, it’s mechanism was identical to that of the A2 buckle.

I know some people will frown upon taking the black plastic casing off the seatbelt buckle but I can assure you that it doesn’t interfere with any of the safety of the locking mechanism at all. In fact taking it off was a good thing as it revealed 20 years of fluff and grime in and around the mechanism, I was amazed at how much had entered through the slot the seatbelt clip goes into. A quick pass with a clean/dry paint brush and all was as clean as it was when new.

The Ibiza Buckle:

The 2 wire assembly unclipped from the Ibiza buckle:

The A2 buckle with cover removed:

The A2 buckle with the Ibiza 2 wire assembly clipped on:

Casing back on the A2 buckle ready to be fitted when the seat is next removed, I’ll secure the loom to the strap with some 60mm heat shrink:

At no point during any of this was the safety or integrity of the locking mechanism touched or tampered with. Just a small plastic plunger assembly was unclipped from the Ibiza buckle and clipped onto the A2 buckle, nothing more and nothing less.

As the Ibiza 2 wire assembly fits perfectly onto the A2 buckle I guess what I’m left with here right now is pretty much what I would have if I was to spend some €60+ before delivery from Germany.

Costs involved: £10 for the Ibiza buckle plus a wasted £12 on the A6 C7 buckle, not a bad outcome in the name of innovation/experimentation.

Kind regards,

Tom