Parts required..........

Firstly you require a media interface for the video signal to be transferred to the rns-e

I used this one ( approx £80 )

http://pages.ebay.com/link/?nav=item.vi ... 1471722213

Secondly, you need your camera, DOUBLE check fitment as a lot out there are advertised to fit TT but they don't
( I found out the hard way as mine doesn't fit properly so now buying another )
If you notice mine has a slot either side, this is incorrect for a mk2 tt
You need one with the single slot on one side

Some cameras come with a composite lead and a power plug but I'd advise you also source your own to either extend or replace due to nature of the install.

Composite lead, also know as phono or RCA,
A 5mtr one is more than enough but better to be to long

A packet of scotch locks

Some power cable for power from rear light to number plate light ( 3m - 4m ) any low volt twin core cable can be used
Example, 10amp 12v cable

Another single core cable ( 5m ) is required for the switching process, from camera to rns-e ( 5m )
Again, any low volt cable would be suitable

1x repair wire to add to your quadlock loom for the switching process

Basic install........

I'm not going to tell you the best place to run your cables etc etc as some of you will know which panels come off easy etc etc and you'll probably want to run them your own way

So here's basically what has to be done.....

Inner Boot panels off, remove number plate light, connect number plate loom to led loom on camera

Now you need a power feed from your reverse light to the camera
On my car ( 2010 ) my reverse light was blue/black pin 6 on the back of the light and obviously the thick brown for earth
This will provide power to the camera every time you select reverse

Signal / video......
From the camera to the rns-e you need to run the composite lead along with a switch feed ( 12v )

Once you've ran your cables to the stereo you need to join a repair to the end of your 12v switch feed, this needs to then be added to
BLOCK "C"
PIN "2"
This is labeled RFSL on your rns-e, this pin recognises a 12v feed from the reverse light and switches the screen over to the camera

Next you connect the composite lead to the media interface ( yellow plug )

Now to connect the interface to the rns-e, plug in the 32 pin block, your then left with 4 wires, power, Earth, can high and can low
These need to be spliced to your quadlock loom

Power ( +12v ) block "D" pin "15"
Ground ( - ) block "D" pin "12"
Can high = block "D" pin "9"
Can low = block "D" pin "10"

You now need vagcom to code the car
Go into
37 NAVIGATION
10 adaptation
Drop down box
Select reverse cam
Change from 0 to 1
Save

If you've coded correctly and all your powers and canbus connections are correct now press the media button on the rns-e and select source, you should now see the option for "TV"
Select reverse gear and you should now see all your tools from the install scattered all over your drive behind your car ! Lol
Test your unit by selecting radio and put your car in reverse, it should auto switch the screen over

This is a fiddly install due to the cable runs but at £80 for a interface and about £30 for a camera it's a very cheap diy job
Companies charge over £700 for what is basically exactly the same results

Hope you enjoyed it

Here's a few pics of where I ran my cables
In the boot lid, once tested all the cables can be zip tied to the existing loom

The tricky part !!!!!! Going through the rubber gaitor

Once your into the car roof then the hard work is over, I went over my roof and down the left front pillar and behind glovebox

 

this is my new camera i found on the web, it was listed as a new A4 and Q5 please make sure you do your homework when buying a camera as lots of sites list it as fitting a TT but it took me 3 attempts before getting correct fitment
this is offset so allows use of your existing bulb or led and centralizes the picture better

 

heres a view of the label on a RNS-e, showing RFSL on pin 2 block C

 

 

You can use the reverse light feed for power aswell as the switch feed
Or you can power the camera direct from the battery and use the reverse light as switch feed only etc

All depends on how you want the install etc
Also depends on camera voltage requirements as it is common to get flicker on the screen, some have said its down to the canbus but it isn't, it's down to under voltage at the camera
I found the best way to combat that ( only found out by having 3 different cameras )
Was the relay option, that way the camera & the switch on the rns-e is getting maximum voltage

So......
From battery to a 4 pole relay

Then from the reverse light to the relay
This then allows the reverse light feed to switch the relay to allow the direct battery feed to pass through, giving maximum voltage

This isn't necessary but will depend on how picky your camera is as the reverse light doesn't chuck out full 12 volts, in fact it worked better when all the lights were on

Just a heads up mate incase your camera is sensitive to the voltage

 

And a pic of the distance of the first green marker

 

The repair wires are across brands VAG part numbers and so it maybe cheaper to order them from a Skoda dealer. LOL

This is a useful link to VAG connectors, housings etc.
http://www.vaglinks.com/Docs/Catalogues ... dipins.pdf

 

Finally a big thankyou to swissjet for a quality drawing, thank you

 

Really professional and comprehensive!

 

As my RS+ didn't come with anything I'd love to retrofit this. Alas I'm not the most practical person with this kind of stuff so I am a bit cautious about tackling this kind of thing...

 

RS+ or tdi mate, it was never an option for a TT
Have a go yourself, it's only clips and wires

On iPhone using Tapacrap

 

Great write up, sure to be one of the more popular mods, hopefully will be added to the knowledge base

 

Great write up, sure to be one of the more popular mods, I see it's already been added to the knowledge base

I corrected that for you . . . . . . :wink:

 

Great write up, sure to be one of the more popular mods, I see it's already been added to the knowledge base

I corrected that for you . . . . . . :wink:

What a great write up and thanks, something I'd love on mine... But far not tackle!

 

First of all, thank you both for this excellent write up. Very helpful indeed!

I would like to add a bit to what you have written. It may go some way to explain the problems some have with powering their camera. Audi and other newer VAG cars use PWM (Pulse Width Modulation). That means that the power to your reverse light "flicker" on/off or fluctuates. Many reverse cameras will not operate under such conditions and may show black screen or flicker/stripes etc. It is not due to low voltage it is the erratic power due to use of PWM.
http://en.m.wikipedia.org/wiki/Duty_cycle

You can check this by trying the camera with ignition on and engine off. It will likely work as normal.
Once you start the engine it will likely operate erratically with a lot of disturbances or not operate at all.

If you use the relay method, the power will effectively be smoothed out by the reaction time of the relay and the reverse light power is only used for switching the relay, not driving the camera.

I don't know if all TTs come with PWM or only some newer. Possibly they all have it.

I would therefore recommend the relay method as your starting point.

 

Has anyone else attempted this Mod since this great write-up was posted?

Had a 2012 q5, now have a 2015 and both have/had the backup camera... It's the only real thing I missed on my 13 tt roadster. I was excited to see that someone had attempted this. But my wiring skills are limited to having replaced speakers on my jeep years ago, and wiring my house.
Now that I think about it, I did wire up a cigarette lighter in the glove box of that jeep for always on power too... So this should be a price of cake... Right?

Main concern is running the wiring in the roadster, as through the ceiling is not an option.

 

Easy in a roadster mate, through the boot, through the rear bulkhead and down the side of the sills

On iPhone using Tapacrap

 

Where's the "boot"? ;-)

 

Where's the "boot"? ;-)

The big empty thing behind you that you put your shopping in ! Lol

I think your knackered ! Lol

On iPhone using Tapacrap

 

Nope... Canadian. Not knackered... But is that similar?

 

Bonnet and Boot? Seriously? At least "trunk" for the rear makes sense since that's where the "trunk" (luggage) was stored on the old carriages during horse and buggy days.

But Bonnet...that makes no sense. Can one of you well informed Brits please explain?

 

The term 'boot' apparently dates back to the days of horse drawn transport but the origin of 'trunk' is a bit later.

In the case of the English "boot", the origin is that in the 18th and 19th centuries, the coachman used to sit on a locker where he could store, among other things, his boots. For this reason, this was termed the "boot locker" and after a while an additional compartment situated at the rear of the coach was used, also called for the same reason the "boot" (for short).

As for the American "trunk", well it should suffice to look at all the classic cars designed in the post WWI era, for which trunks were mounted at the rear end.
In this affluent era, cars from manufacturers like Duisenberg, Cord, Buick, Lincoln were all competing for high end customers and these trunks featured many compartments for plates, whiskey flasks and all the paraphernalia needed to go for a picnic. Some cars (mainly coupés, or "roadsters") had special compartments for golf clubs.

 

The term 'bonnet' seems to come from the use of the word to mean a metal cowl or covering such as for a fireplace and perhaps resembling a bonnet (lady's hat tied under the chin) in shape.
In Scotland, bonnet is a man's cap usually brimless although many use the word for any type of hat.

How about other terms?

Dashboard: This term also dates back to horse drawn days and was originally the piece of timber mounted horizontally in front of the coachman specifically to protect him from the mud etc. flying up from the hooves of the horses. The word dash can mean splatter and, of course, a long thin piece of wood is a board.

Wings: The dashboard on carriages/coaches can have extension pieces attached extending out horizontally, to further protect the people on the coach from mud etc. These extension pieces were called wings.

I think I've digressed. Deletion is available on request.

 

I feel that I have learned something today! Boot sounds so much better than trunk! Anyway here's a wee pic of my Scottish bonnet :lol:

 

Quick over view of the VCDS coding to enable the reverse camera -

[37 Navigation] -->
[Adaptation - 10] -->
at the [Rear View Camera] option, Select "Channel" [ 04 ]
Change the "New value" from [ 0 ] to [ 1 ] by clicking on the [Up] button
[Save]
.