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Discussion Starter #1
Hello,

Recently, I purchased an OEM Nissan head unit to replace the stock one that came in my Versa SV, with the goal to get Bluetooth Streaming Audio working. The radio came from a 2016 Nissan Sentra SV, and is the one with a color screen, without navigation. ALMOST everything works, including USB, Aux, as well as steering wheel controls for volume, source, next/prev (up/down), but the one thing that I'm having difficulties with is getting the Bluetooth features to work. The buttons for call send/end on the steering wheel do not work, and the microphone doesn't work either, making it impossible to actually pair my phone to the new stereo (even though I'm able to get to the part where it asks if the codes match when pairing).

One thing I noticed is, if my new radio is tuned to 540 AM and I hit the bluetooth buttons, I can actually hear bluetooth phone prompts and say commands, which led me to believe that there's a separate module somewhere in the car that the bluetooth buttons and the mic are hooked up to. I sort of figured that this was the case, as there is a connector that I was unable to locate and plug into the new stereo (I believe it's an 8-pin connector, could be wrong). Looking online at images, I found that the bluetooth module has this same exact connector.

My question is, where is this Bluetooth module located, and would it be a simple matter of unplugging the 8-pin connector from the module and plugging it into the new stereo to get the Bluetooth functions to work?
 

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Bluetooth module is separate from the radio, located under the driver's seat or in the trunk depending upon the model/year. You likely need to change to the same module used by the Sentra (that matches your radio) but hard to say whether it will be plug-n-play as far as connectors go. There has been a fair amount of discussion and experimentation on stock radio swaps by other members, not sure anyone has ever had 100% success. Forum search should turn up those threads for you to read, should give some ideas and shed some further light on your options.
 

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Discussion Starter #3 (Edited)
Bluetooth module is separate from the radio, located under the driver's seat or in the trunk depending upon the model/year. You likely need to change to the same module used by the Sentra (that matches your radio) but hard to say whether it will be plug-n-play as far as connectors go. There has been a fair amount of discussion and experimentation on stock radio swaps by other members, not sure anyone has ever had 100% success. Forum search should turn up those threads for you to read, should give some ideas and shed some further light on your options.
I did some searching around on here, but wasn't able to come to a definite answer. From what it seems like though, the bluetooth module is actually built INTO this new stereo, instead of being a separate module like the old one. Something tells me that, if I can find where this module is located, unplug that connector and plug it into the stereo, I'll have working bluetooth with the Sentra stereo though...

Guess my only issue now is actually locating the thing. I tried looking around in the trunk but couldn't find it, so I guess I'll have a look under the seat later. I tried finding a service manual for my model (16 Versa sedan), but couldn't find anything...

EDIT: I just confirmed, the Bluetooth module IS built into the Sentra stereo. It's just a matter of getting the Bluetooth buttons and microphone connected, somehow...
 

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amc49 will probably weigh in pretty soon, he has a good bit of experience tinkering with the radios.

I really doubt there is any magic connector you are going to be able to plug straight in and run with it. How did it go installing this radio? Did some of the connectors fit? All of them? None of them? Any missing spots on the radio not plugged in? (Could be hard to tell if the connectors fit but have different numbers of pins).

If you search around there are some links to service manuals for versas up to 2014 in PDF format. I downloaded them and read through some of the radio info for my custom radio/bluetooth/steering wheel controls project (which is still in progress). There is good info in there about connectors and what each wire is for and so on. Based just on what I have heard/read from others on here you might end up locating the microphone analog wires and cutting/soldering them to the harness for your radio. You *might* get as lucky with the call/send buttons but those are not as simple as regular buttons, all the buttons on the steering wheel make up a resistance ladder sending different tiny amounts of current back to the body control module over just a couple wires. In order to map that to the sentra radio you would also need the service manual info for the Sentra your radio came from to see if it has the same resistance values set up for different buttons.

I think you stand a decent chance, sentra's sharing pretty much the same steering wheel as the versa in 2016. Most likely some splicing and soldering in your future but probably not more than a few wires and where there is a will there is a way. If you can find the radio wire harness pinouts in the versa service manual and the donor sentra and match them up you just might make it.
 

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Discussion Starter #5
amc49 will probably weigh in pretty soon, he has a good bit of experience tinkering with the radios.

I really doubt there is any magic connector you are going to be able to plug straight in and run with it. How did it go installing this radio? Did some of the connectors fit? All of them? None of them? Any missing spots on the radio not plugged in? (Could be hard to tell if the connectors fit but have different numbers of pins).

If you search around there are some links to service manuals for versas up to 2014 in PDF format. I downloaded them and read through some of the radio info for my custom radio/bluetooth/steering wheel controls project (which is still in progress). There is good info in there about connectors and what each wire is for and so on. Based just on what I have heard/read from others on here you might end up locating the microphone analog wires and cutting/soldering them to the harness for your radio. You *might* get as lucky with the call/send buttons but those are not as simple as regular buttons, all the buttons on the steering wheel make up a resistance ladder sending different tiny amounts of current back to the body control module over just a couple wires. In order to map that to the sentra radio you would also need the service manual info for the Sentra your radio came from to see if it has the same resistance values set up for different buttons.

I think you stand a decent chance, sentra's sharing pretty much the same steering wheel as the versa in 2016. Most likely some splicing and soldering in your future but probably not more than a few wires and where there is a will there is a way. If you can find the radio wire harness pinouts in the versa service manual and the donor sentra and match them up you just might make it.
Here's what I was thinking, but I'm pretty sure this is completely wrong now:
The connector on the BT module looks the exact same as the one that goes to the radio. I thought that, maybe the BT module was connected in such a way that it just intercepts the steering wheel bluetooth buttons and microphone. It does appear that's the case to a certain extent, but there's no easy "plug and play" solution to fix that (figured that out after looking at the service manuals, and how the connectors are wired).

As far as how the radio install went, most of the connectors are there, but there are two that I couldn't plug into the new radio because they weren't there: an 8-pin connector and the connector for the XM radio antenna. The XM I could honestly care less about, I'm never going to use it and didn't expect it to work anyway. But, there's also a 32-pin connector which the old radio did have, but it looks to be wired up quite a bit differently. The 32-pin connector on the Sentra has pinouts for the rearview camera where the AUX pinouts on the old radio was, meaning that AUX probably isn't working either (untested as I'm currently using USB). Apparently, that's what the 8-pin connector does on the new radio.

So, while the new Sentra radio fits perfectly and mostly works, what doesn't work is:
- Backup camera (expected, my car doesn't have one). The radio does seem to acknowledge this though.
- XM, which was expected. Missing antenna.
- AUX (not confirmed, but I'm pretty sure this won't work).
- Bluetooth control buttons, but the other steering wheel controls do work
- BT Microphone
- BT Pairing (get to the point where it asks to confirm the pairing code, but can't say yes or hit the call send button, so the pairing fails).

What's surprising is, the audio quality actually sounds so much better than the Versa's stereo, which is actually really cool and was unexpected. But, to get the rest of the features to work, I think I'm going to just end up taking it to the audio shop nearby and have them see what they can do if I can't figure this out.
 

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Discussion Starter #7
Index of /FSM/Versa/2016 Versa Note

Link to the service manual for the 16 Note. This was posted for me in another post.
The weird thing about the 16 Note service manual is, it seems to have the S/S Plus trim radios (with no USB, but with aux on the stereo itself), but doesn't have the SV radio (USB, AUX). So, I actually had to use the base audio part of the service manual from the Sentra as well, since the base (S trim) Sentra and the Versa SV both use the same radio/bluetooth module.
 

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Discussion Starter #8
As a bit of an update, I found that it looks like I'll be able to get the hands-free system at least partially working. Using info I found online and verifying it with the service manuals, it appears that if I disconnect the Bluetooth module and connect the following pins on the connector, I should at least have all of the steering wheel controls working:
Pin 12 -> Pin 17
Pin 13 -> Pin 18
Pin 14 -> Pin 19

As I guessed, the Bluetooth module IS intercepting the steering wheel controls partially.

I also have the pins for the microphone and the AUX in. I believe it's possible to get everything working now!
 

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Index of /FSM/Versa/2016 Versa Note

Link to the service manual for the 16 Note. This was posted for me in another post.
Does anyone happen to know if the service manual is available for 2015 Versa.
It looks like the wiring on my 15 Versa doesn't match either of 14 or 16 model. :frown
Why do they have to keep changing it every year ???


Edit: I think I have found it! Apparently Versa 2015 stereo has the same wiring as Sentra 2015, which is available.
 

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As a bit of an update, I found that it looks like I'll be able to get the hands-free system at least partially working. Using info I found online and verifying it with the service manuals, it appears that if I disconnect the Bluetooth module and connect the following pins on the connector, I should at least have all of the steering wheel controls working:
Pin 12 -> Pin 17
Pin 13 -> Pin 18
Pin 14 -> Pin 19
As I guessed, the Bluetooth module IS intercepting the steering wheel controls partially.
I also have the pins for the microphone and the AUX in. I believe it's possible to get everything working now!
Can you please direct me to the online source you are referring to? How do you disconnect the bluetooth module?
Which year is your Versa? Mine is a 2015.
 

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Discussion Starter #11
Can you please direct me to the online source you are referring to? Also, what is your vehicle model?
How do you disconnect the bluetooth module?
I have a 2016 Nissan Versa SV with a Nissan Sentra SV stereo. I was using the wiring diagram from the 2016 Nissan Sentra; the wiring for the Bluetooth Module/stereo pins on the S model Sentra and the SV model Versa is the same. To disconnect it, you simply locate it (it was in the trunk for me) and unplug the 32-pin connector. We then bypassed the 3 pins as I mentioned, and now the steering wheel controls are all functional! I was able to finally get my phone paired, which is amazing.

I still have a bit more work that needs done, though. The microphone and the AUX port still aren't connected, but that will be done at a later time.
 

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I have a 2016 Nissan Versa SV with a Nissan Sentra SV stereo. I was using the wiring diagram from the 2016 Nissan Sentra; the wiring for the Bluetooth Module/stereo pins on the S model Sentra and the SV model Versa is the same. To disconnect it, you simply locate it (it was in the trunk for me) and unplug the 32-pin connector. We then bypassed the 3 pins as I mentioned, and now the steering wheel controls are all functional! I was able to finally get my phone paired, which is amazing.

I still have a bit more work that needs done, though. The microphone and the AUX port still aren't connected, but that will be done at a later time.
Thanks very much. As I analyzed the pin diagrams, my connections also look to be the same. I am gonna give it a go this weekend. Just need to figure out where the BT unit is in my car. Versa didn't change much from 15 to 16. So, I am hopeful that it must be in the trunk too.
The AUX seems to be an easy fix, but finding that 8 pin connector might be a problem. Please let me know if you can find one. Not sure about the mic though.
 

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Discussion Starter #13 (Edited)
Thanks very much. As I analyzed the pin diagrams, my connections also look to be the same. I am gonna give it a go this weekend. Just need to figure out where the BT unit is in my car. Versa didn't change much from 15 to 16. So, I am hopeful that it must be in the trunk too.
The AUX seems to be an easy fix, but finding that 8 pin connector might be a problem. Please let me know if you can find one. Not sure about the mic though.
I actually used the 2014 Versa Sedan service manual to find the BT Module, so it should apply to the 15 as well (it's basically the exact same as the 16 as you said, just newer year). As for the 8-pin connector, it's likely that I'm going to have to buy a connector for that, and the microphone may just have to be re-wired all the way from the trunk to the 32-pin harness up front. I'm gonna likely go through with the microphone first, since I don't ever see myself using AUX in the foreseeable future.

Then, just for completion sake, I may later on add an XM antenna just so it works, even if I never end up using it. Probably won't be adding a backup camera though.

Gotta say though, having BT Streaming Audio is the best thing. That was the ONLY thing I didn't like about my 2016 Versa SV.

Also, I now realize how much of an idiot I sound like in my first post. :D
 

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Gotta say though, having BT Streaming Audio is the best thing. That was the ONLY thing I didn't like about my 2016 Versa SV.
Also, I now realize how much of an idiot I sound like in my first post. :D
When I bought my Versa15, I didn't even know that bluetooth audio is actually a separate thing from bluetooth phone functionality. :surprise
I found it out the hard way after purchasing.
 

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Discussion Starter #15
When I bought my Versa15, I didn't even know that bluetooth audio is actually a separate thing from bluetooth phone functionality. :surprise
I found it out the hard way after purchasing.
Same here. I chose my 16 Versa over a Ford Fiesta, because I didn't like how the Fiesta drove at all. But, it had Bluetooth streaming audio by default, I found out after it was too late.
 

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O.K. Would you folks mind explaining Bluetooth phone use vs Bluetooth streaming. I have a 16 Note SV with one button (on steering wheel) then voice activated calling. I use an MP3 player most of the time, connected directly behind the parking brake.

I thought that music through Bluetooth was actually less less clear (if that is the correct wording).

How do you know you don't have Bluetooth streaming and why would I want it?

Thanks

Alan
 

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O.K. Would you folks mind explaining Bluetooth phone use vs Bluetooth streaming. I have a 16 Note SV with one button (on steering wheel) then voice activated calling. I use an MP3 player most of the time, connected directly behind the parking brake.

I thought that music through Bluetooth was actually less less clear (if that is the correct wording).

How do you know you don't have Bluetooth streaming and why would I want it?

Thanks

Alan
If your head unit looks like either of these:


Then you will only have Bluetooth Hands-Free (on 2015 models and up), but not Bluetooth Streaming Audio. These units simply do not support it. The difference is, you can stream your music directly from your phone to your car stereo wirelessly. For me, it's a matter of convenience. I don't have to take a USB drive out of my car and manually transfer files over whenever I get new music, and I'm not limited to just MP3 support, since my phone can play back various file format types. Plus, you can also take advantage of the steering wheel controls (which you can do with USB, but not with AUX).

As far as I've been able to tell, the audio quality between USB (MP3) and Bluetooth Streaming on this unit has been the same.

Why would you want it? Convenience, basically. However, there is also the (unexpected) bonus of better sound quality that I've noticed with the Sentra stereo. However, you do have to keep in mind that doing this upgrade does require some rewiring to get everything working. If you're fine with AUX or USB, doing this upgrade isn't really worth it.
 

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To disconnect it, you simply locate it (it was in the trunk for me) and unplug the 32-pin connector. We then bypassed the 3 pins as I mentioned, and now the steering wheel controls are all functional! I was able to finally get my phone paired, which is amazing.
I'm about to put a '15 radio (with BT audio) into my '14 Versa Note (phone-only BT), so I'm going to have to do the same thing to my BT module. Do you have to remove the whole trim panel to get to the module, or is it possible to pull out just one side of it and reach in?
 
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