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So I recently installed an aftermarket head unit in car and from looking around the forums it didn't really seem like anyone had found a way to retain the factory bluetooth steering wheel controls. You can retain all of the factory steering wheel controls if you use an iDatalink Maestro RR interface module. You would think that it should be simple enough to do, which it is but all of the wiring diagrams that iDatalink provides you with are wrong for the Genesis Coupe so I thought I would do a writeup on how I did it.

First of all for this to work you need to make sure that your head unit is compatible with the Maestro RR, I am using a Kenwoood DDX9902s. I think most of the new ones are compatible but a quick google search will confirm that if anyone is wondering.

So for wiring the Maestro RR, you can find the wiring diagram for it here: http://images.idatalink.com/corporate/Content/Manuals/RR-HYU/ADS-RR(SI)-HYU01-DS-IG-EN_20160322.pdf
Some of this is correct, however most of it is actually wrong. Follow this manual for wiring the power to the module but nothing else.

Okay so you need to find the yellow, green and blue connector, it should be easy to find as its one of the main connectors into the factory radio. On this connector you need the Black with orange stripe, Brown and Blue wires shown in the picture below. These are the steering wheel control wires, the Black/orange is ground, brown is the volume/source and blue is the bluetooth controls.



Strip the casing on a small portion of the wires so that you can solder onto them.



Now with the Maestro RR there are going to be a thousand wires that come with it, but for this we will only actually need 5 of them: Black/white, purple/red, brown/yellow, brown/red and pink/red. The Black/white wire will go to the Black/orange wire that we just found. The purple/red wire will go to the brown wire and the pink/red will go to the blue wire. Solder these on and tape them up so nothing shorts.





That is all that you need for the steering wheel controls. If you also want to get fault codes and gauges to your new head unit you can continue with the following.

Next, remove the panel below your steering wheel and unscrew the OBDII port for easier access. On this connector you are looking for a red wire, and a blue wire. The brown/red wire will go to red and the brown/yellow wire will go to blue. The blue and the red wire should be directly above each other (One in the top row and one in the bottom row). There are several blue and red wires going into this connector but I forgot to write down exactly which pins they were. I don't think there were any other blue/red ones that were directly above each other. Hopefully this picture will help a bit.



Now that all of the soldering is done you just need to plug everything in and put it all back together.

Here is a picture of the gauges working on my head unit:



Hopefully this will be helpful to someone!
 

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Hey, I appreciate you posting this setup. I just did a Pioneer AVH-4200NEX install that has Maestro compatibility.

Now I'm thinking about doing a tablet install for gauges. Are the gauges you show in your pic the only ones available using the Maestro. How does the available data compare to what you could get out of the torque app w/ BT ODBII and tablet?
 

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I would say that the gauges available are a little more limited than what you have access to with the Torque app. On the head unit there are probably around 50 gauges to choose from and you can also view and clear fault codes. If you want something with more customization an options then go for the tablet. For the amount that I use it I find that the gauges on the head unit are just fine. I would do a quick google search to see what the gauges will look like on the pioneer though, they will likely be different than a kenwood.
 

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query

Hello how are you? A consultation ... I have a master rr and I want to install it in stereo pioneer avic 6200nex this installation will serve to make the i datalink master rr?
 

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Reviving an old thread for one question, can the maestro be spliced into the metra harness or does it have to be spliced into the factory side of the harness mentioned in the first post? Im trying to do as many splices and connections as possible before actually taking the dashboard apart i.e. splicing together the pioneer harness with the metra harness with the micro bypass and hopefully also the maestro.
 

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Well if the wires on the Metra side connect to the wires on the factory side I would think that you could splice into the metra side without a problem. Assuming there's nothing connected between two of course.
 

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Thanks for posting these instructions. The instructions that you link to from iDatalink say they are for a GC 2010-2015. That's a problem for people like me who have a 2015 because the instructions that they present now to someone with a 2015 are different than what you posted. The ones that they provide now indicate that they cover years 2013 - 2016. Which places me in between two sets of instructions given that as I said I have a 2015. The one major difference that may just save me is that in the older instructions that you posted, the green yellow orange connector behind the radio has three rows of pins, and the newer one shows two rows of pins. The ODBII connections are the same. So I guess I will have to wait until I get behind the radio again to see if the connector is two or three rows of pins and then choose which instructions to use from there. I really hope that I have the 3 row connector so that I can follow the instructions posted here, but I'm going to guess based on my previous bad luck that I can expect to have the opposite two row connector and be left to go off of the instructions that iDatalink provided. :( If I do, I will try to post instructions and pics to show the differences. That is assuming I get it working. Please don't expect photos and instructions as clear as what the OP of this thread has posted. Thank You again for taking the time to do it!
 

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This is assume. Hard to find any info. Thank you for doing this. Just a question: dose anyone know if you can use the factory mic for Bluetooth or do you have to install the new one that comes with the radio?
 

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Hello HEllo i love this post im going to try this for my 4201 NEx pioneer deck on my Hyundai Gen Coupe 2.0t 2011,,, I have one question and or doubt tho, on the Maeastro data link rr what firmware did you use? like since there is no Firmware for the Genesis coupe what firmware did you install on the maestro with? please message me or anyone that may help
 

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Hey, I appreciate you posting this setup. I just did a Pioneer AVH-4200NEX install that has Maestro compatibility.

Now I'm thinking about doing a tablet install for gauges. Are the gauges you show in your pic the only ones available using the Maestro. How does the available data compare to what you could get out of the torque app w/ BT ODBII and tablet?
HEY what year is your Gen and what firmware did u use on the maestro?
 

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hey monica got another question. So did you wire the deck to the wiring kit and then the maestro you just found a power source and spliced into it to the 5 wires the rest of the plug did u leav them on or disconect etc or u taped em all together and stuff
 
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