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Old 07-01-2014, 06:34 PM   #1
yg17
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Default DIY/INFO: Replacing 2015 WRX Navigation Unit with Aftermarket

So you paid $2,500 for the navigation option on your WRX but now you really just want Car Play or Android Auto. If so, this thread is for you.

This isn't going to be so much of a DIY but more of an explanation of what you need, what works, and what doesn't. There's already instructions out there for replacing the stock non-nav unit with aftermarket.

The reason I created this thread is because I couldn't find any information out there on what dash kits and harnesses are needed. Everything is different from non-nav units, and pretty much every site out there (Crutchfield, Metra, etc) gives incorrect information for WRXes with nav - they display parts for non-nav cars, even if you select that you have stock nav. I decided to press my luck and see if the parts required for an aftermarket unit in a 2014 BRZ (since they have the same nav unit as the WRX) would work, and I lucked out. The 2015 WRX with nav uses the same dash kit and harness as a 2014 BRZ with nav.

I installed a Pioneer AVIC-5000NEX but this should apply for any aftermarket head unit.

What you need
Metra 40-LX11 Antenna AdapterMetra 40-LX11 Antenna Adapter
- retains your stock FM antenna. Amazon has the wrong picture, but you'll get the right product
Metra 70-1761 Wiring HarnessMetra 70-1761 Wiring Harness
- for power and speakers
Metra 95-8202 Dash KitMetra 95-8202 Dash Kit
- the radio ears as I like to call them. Will require a slight modification to work in the WRX. Have a box cutter handy, and if you're clumsy like me, band aids.

Optional but recommended
Metra Axxess ASWC-1Metra Axxess ASWC-1
- Steering wheel control module
Axxess AX-TOY28SWC HarnessAxxess AX-TOY28SWC Harness
- Plugs into factory harness to provide steering wheel controls and retain your center console AUX jack.
Metra AX-TOYUSB adapter - This retains your center console USB port. I ordered it from the only seller selling it on Amazon and they sent me AX-TOYUSB-2 which is not compatible. So I sent it back and ordered from Crutchfield and got the correct one.
RCA to 3.5mm adapter - The AX-TOY28SWC harness provides L/R RCA jacks for AUX. The AVIC-5000NEX takes 3.5mm for its AUX input, so that adapter is needed. Other head units might take RCA for AUX IN, check your manual

If you want SiriusXM
SiriusXM SXV200SiriusXM SXV200
- check compatibility with your head unit first. Works great with the AVIC
Lexus SFA12F Shark Fin Adapter - this converts the stock sharkfin antenna to a standard SiriusXM antenna plug. It's pricey at $60. Pretty sure it wouldn't even cost half that if it wasn't marketed for Lexus cars. This is optional, more on that below.

I'm not going to go into how to remove the head unit, or connect wires, or anything. There's really nothing special that needs to be done here. There's already a good video for removing the factory unit here.

There are two wires I didn't connect:
Vehicle Speed Signal - This provides your vehicle speed to your nav unit. It's not required - obviously, phones and portable GPS units don't have one and they work fine. It's supposed to improve accuracy, but the AVIC seems accurate without it. I think it's most helpful in tunnels because it allows the nav to have a better idea of where you are when there's no GPS signal. Missouri doesn't have tunnels, so I didn't bother. The Metra harnesses don't have VSS, and I didn't want to tap into factory wiring.
Parking Brake - The NEX units have a dead simple bypass procedure that involves grounding that wire. Google the bypass procedure for your aftermarket head unit - most of them consist of grounding it.

Modifying the dash kit
You will re-use the brackets that hold the stock radio in place. Part of the Metra ears will have to be cut off to fit those brackets. Cut approximately along the red lines:



And then attach the brackets and ears to the aftermarket radio, like this:



Now your radio will slide in just like the stock one.

A Note About Steering Wheel Controls
All steering wheel control buttons, including the phone buttons - pick up, hang up and push to talk, work. You may need to reprogram the button mappings on the SWC module - follow the instructions in the manual. If you have an iPhone and are installing a Pioneer NEX, the PTT button, if held for a couple seconds, will activate Siri, which you can then use to play albums, make calls, etc. YMMV with other smartphones or headunits.

GPS Antenna
I have no idea how to retain the factory GPS antenna. However, I have the antenna that came with the NEX sitting right on top of the head unit and it works fine. Clean and hidden, just what I wanted.

SiriusXM Antenna
Originally, I did the same thing with the Sirius antenna that came with it - just put it on top of the head unit. On open road, reception was generally OK with a few cut outs here and there. In residential areas where a lot of trees cover the road and block the sky, reception was crap, whereas with the stock nav it was fine. I didn't want to have the aftermarket antenna visible anywhere, so I looked into re-using the stock sharkfin and came across some information leading me to that overpriced Lexus adapter. I bit the bullet and spent just under $70 with shipping on it and just got finished installing it a few minutes ago.

Now, here's the fun part. The factory connectors for the GPS and XM antennas look identical, but there is one minor difference that you probably won't even notice at first - a tab running along the top of the connector is in a different position on each one. When you go to install this adapter, and you don't know which connector is which, you're going to try each one and see which one fits. You'll try the first connector, it won't fit. You'll try the second one, and it will fit like a glove. That must be the XM antenna connector, right? Wrong. Subaru, in all their infinite wisdom, used the Lexus XM connector for the GPS antenna. And a GPS antenna won't work with SiriusXM, so you'll plug it into the tuner and won't get a signal. So, take the antenna connector that doesn't fit into the adapter, and just shove it in there. Maybe use a knife to shave off that tab running along the edge on top. With enough hulk strength, you'll eventually get it in there. Plug the other end into the Sirius tuner and you're golden.

Before you say, "Well, wait a minute, before you said you don't know how to retain the factory GPS antenna but obviously this adapter is how!" the other end of the adapter is made for SiriusXM radios and won't fit into the GPS antenna connector on the NEX. And I'm not about to spend another 70 bucks on an adapter when the GPS antenna works fine on top of the head unit.

And here's a pic of it installed:



I think that covers everything, like I said, this wasn't really meant to be a step by step DIY on replacing a head unit since there are some out there already, I just wanted to detail everything required for replacing the factory nav with aftermarket since information was scarce. Feel free to ask questions if you have any.
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Last edited by yg17; 07-27-2014 at 10:39 PM.
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Old 07-01-2014, 06:44 PM   #2
jjunior887
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Just a tip I got from a fellow Nasioc member, you can pop off the square connector on the factory SiriusXM antenna and connect it directly to the SXV200. Save yourself $60. Link

Also, might want to read the directions a little on the ASWC-1. All you have to do to get the bluetooth controls to work is one small addition once the module is recognized. Works perfect. You can even assign custom controls if the HU supports it.

If the ASWC-1 was installed in a vehicle previously:
2) Turn the ignition on, the LED will flash once, then go out.
3) Hold down the reset button for 3 seconds and then release it.
4) Perform action required for your particular vehicle as noted in the vehicle info sheet.
5) After a couple of seconds the LED should stop flashing and not light up for 2 seconds. At this point do not push any buttons.
6) After the 2 seconds there will be a series of 7 Green flashes, some short and some long.
7) The LED will pause for another 2 seconds then flash Red up to 11 times (refer to ASWC-1 ledgend).
8) This is the end of the auto detection stage. If the ASWC-1 detected
the vehicle and the radio successfully the LED will light up solid.
9) For vehicles with OE Bluetooth buttons please press “Hang up” or “Pick up” on your steering wheel control after the LED on the ASWC-1 goes solid. If the OE Bluetooth buttons are able to be used, the LED will go out after 3 seconds.
Your OE Bluetooth buttons are now programmed to your aftermarket radios Bluetooth buttons

(aftermarket radio must have Bluetooth capabilities). Tip: If the LED does not light up solid refer to the troubleshooting section.


Metra makes a dash kit for the
2012+ WRX2012+ WRX
that worked out perfect for me. I didn't reuse the factory mounts and it fit perfect without trimming. I'll try to take some pics this week.

Last edited by jjunior887; 07-01-2014 at 06:54 PM.
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Old 07-01-2014, 06:53 PM   #3
yg17
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Quote:
Originally Posted by jjunior887 View Post
Just a tip I got from a fellow Nasioc member, you can pop off the square connector on the factory SiriusXM antenna and connect it directly to the SXV200. Save yourself $60. Link
I believe that's true for non-nav, I read that too, but the XM connector on the nav antenna is square - not just the plastic housing, but the metal connector inside it.

Quote:
Also, might want to read the directions a little on the ASWC-1. All you have to do to get the bluetooth controls to work is one small addition once the module is recognized. Works perfect. You can even assign custom controls if the HU supports it.

If the ASWC-1 was installed in a vehicle previously:
2) Turn the ignition on, the LED will flash once, then go out.
3) Hold down the reset button for 3 seconds and then release it.
4) Perform action required for your particular vehicle as noted in the
vehicle info sheet.
5) After a couple of seconds the LED should stop flashing and not light
up for 2 seconds. At this point do not push any buttons.
6) After the 2 seconds there will be a series of 7
Green
flashes, some
short and some long.
7) The LED will pause for another 2 seconds then flash
Red
up to 11
times (refer to ASWC-1 ledgend).
8) This is the end of the auto detection stage. If the ASWC-1 detected
the vehicle and the radio successfully the LED will light up solid.
9)
For
vehicles with OE Bluetooth buttons please press “Hang up”
or “Pick up” on your steering wheel control after the LED on the
ASWC-1 goes solid. If the OE Bluetooth buttons are able to be used,
the LED will go out after 3 seconds.
Your OE Bluetooth buttons are
now programmed to your aftermarket radios Bluetooth buttons
(aftermarket radio must have Bluetooth capabilities).
Tip:
If the LED does not light up solid refer to the
troubleshooting section.
Thanks, I'll try that. Pretty sure I read somewhere that Pioneer's don't support BT SWC buttons though.

Quote:
Metra makes a dash kit for the 2012+ WRX that worked out perfect for me. I didn't reuse the factory mounts and it fit perfect without trimming.
And that worked in a 2015 with nav? The stock nav unit is a bit wider and the corners are a bit rounder than non-nav so I did not think the non-nav dash kit would work - or at least look good when the dash trim is put back on.
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Old 07-01-2014, 07:52 PM   #4
millertime359
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Quote:
Originally Posted by yg17 View Post
Thanks, I'll try that. Pretty sure I read somewhere that Pioneer's don't support BT SWC buttons though.
5000NEX works just fine with the SWC controls. I have an ASWC-1 with mine as well.

I used AE64's harness instead though.
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Old 07-02-2014, 03:52 PM   #5
theseifist
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Awesome thread, thanks for the write-up, as I have the nav as well, but am eagerly awaiting for better Carplay options to pop up so i can go that route instead.
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Old 07-02-2014, 04:31 PM   #6
Gro Harlem
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How is the NEX series head units? I have a 2013 JVC model that supports iPod mirroring but not android. (god forbid any company supports Android platform *gasp*)

I have a Galaxy S3 which is apparently compatible with MirrorLink. I'm trying to find a head unit that can display my phones GPS system while still being able to play music off a USB/SD card or pandora. I did a ton of searching on the new Pioneer 5600BHS and 4000NEX head units and cna't find definitive answers as to how the MirrorLink technology works.

1: What apps does it support? are you forced to use certain GPS apps?
2: does it let you play music while the GPS is up on the screen? Some head units don't do this which is mind-blowingly stupid.
3: Apparently MirrorLink requires some HDMI type cable that costs a good chunk of change

Sorry for the questions, i just find it INCREDIBLY frustrating that something so simple is so difficult to find in a head unit.
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Old 07-03-2014, 12:08 AM   #7
yg17
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Quote:
Originally Posted by Gro Harlem View Post
How is the NEX series head units? I have a 2013 JVC model that supports iPod mirroring but not android. (god forbid any company supports Android platform *gasp*)

I have a Galaxy S3 which is apparently compatible with MirrorLink. I'm trying to find a head unit that can display my phones GPS system while still being able to play music off a USB/SD card or pandora. I did a ton of searching on the new Pioneer 5600BHS and 4000NEX head units and cna't find definitive answers as to how the MirrorLink technology works.

1: What apps does it support? are you forced to use certain GPS apps?
2: does it let you play music while the GPS is up on the screen? Some head units don't do this which is mind-blowingly stupid.
3: Apparently MirrorLink requires some HDMI type cable that costs a good chunk of change

Sorry for the questions, i just find it INCREDIBLY frustrating that something so simple is so difficult to find in a head unit.
I have an iPhone and don't use MirrorLink so can't comment on that. But...

1: Not sure on apps. I used its own built in GPS app and it works great. I used it a couple weeks ago on a short road trip and it navigated me there and around a strange city perfectly so I can't think of a great reason to use another one.
2: Yes, you can play music while the GPS is on the screen.
3. I would call Bravo Sierra on this simply because the NEX manual says to use an iPhone 5 with it, you need to buy Pioneer's overpriced Lightning to USB cable, but any Lightning cable will do. I'm using Apple's not-as-overpriced but still overpriced cable with mine. So I wouldn't be surprised if Pioneer is claiming you need their expensive HDMI cable. But if it's an HDMI plug on both ends, I don't see why any HDMI cable won't work.
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Old 07-03-2014, 07:13 AM   #8
jjunior887
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I didn't realize the center trim was different between the nav and non-nav cars. Good to know.

Any luck with the steering wheel controls? I have a alpine and it works great with all of the buttons. It even does voice control on my iphone if you hold down the pickup button.
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Old 07-03-2014, 08:52 AM   #9
yg17
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Quote:
Originally Posted by jjunior887 View Post
I didn't realize the center trim was different between the nav and non-nav cars. Good to know.

Any luck with the steering wheel controls? I have a alpine and it works great with all of the buttons. It even does voice control on my iphone if you hold down the pickup button.
Haven't had a chance to mess with them yet. I don't really need AUX but was curious to see if the AUX on the AX-TOY28SWC harness works so I ordered a RCA to 3.5mm adapter which should be here next week. I figure as long as I have my dash apart to put that in, I'll try the phone controls again.
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Old 07-03-2014, 08:08 PM   #10
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How does the above HUD react to having the headunit replaced? When you toggle the screen that shows whats playing, does it just say the radio is off, or does it remove that option all together?

thanks
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Old 07-04-2014, 12:48 AM   #11
yg17
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Quote:
Originally Posted by UltimateNubs View Post
How does the above HUD react to having the headunit replaced? When you toggle the screen that shows whats playing, does it just say the radio is off, or does it remove that option all together?

thanks
The upper display doesn't show any audio info with the stock nav, so it's a non issue when replacing it. Not sure about the non-nav HU.
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Old 07-04-2014, 01:01 AM   #12
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Quote:
Originally Posted by UltimateNubs View Post
How does the above HUD react to having the headunit replaced? When you toggle the screen that shows whats playing, does it just say the radio is off, or does it remove that option all together?

thanks
As long as you disconnect the negative terminal of your battery nothing will show up in the multifunction display. It "erases" that screen if it is disconnected the battery and detects no stock radio.

If you leave your battery attached while doing the install, the MFD will "remember" your stock radio and give you an error message.
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Old 07-04-2014, 06:59 PM   #13
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Quote:
Originally Posted by ahnoff View Post
As long as you disconnect the negative terminal of your battery nothing will show up in the multifunction display. It "erases" that screen if it is disconnected the battery and detects no stock radio.

If you leave your battery attached while doing the install, the MFD will "remember" your stock radio and give you an error message.

Exactly what i was looking for. thank you sir!
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Old 07-08-2014, 04:17 PM   #14
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This is awesome - thank you yg17! I just placed an order for my WRX with HK/Nav and I plan to switch to a HU with AppRadio as soon as I get the chance and this thread is going to be uber useful.
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Old 07-13-2014, 09:15 PM   #15
yg17
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I finally got the RCA to 3.5mm AUX adapter installed and can confirm that AUX on the AX-TOY28SWC harness works. Between USB and Bluetooth, I don't need it, but the adapter was only a few bucks so I figured what the hell.

Also re-did the SWC programming and all phone controls and PTT work as well, I must've had it programmed wrong initially. Thanks to those who suggested it.

Last edited by yg17; 07-13-2014 at 09:27 PM.
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Old 07-14-2014, 07:23 AM   #16
comatose1978
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Were you able to use the stock mic?


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Old 07-14-2014, 08:30 AM   #17
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Nope, but I didn't try.
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Old 07-14-2014, 04:54 PM   #18
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Quote:
Originally Posted by comatose1978 View Post
Were you able to use the stock mic?
You won't be able to. A couple of people have tried before and it is too much work for a hit or miss install. I just clipped mine to the wire cover above the rear view Auto dimming rearview mirror. Got the idea from another member. Works well up there and blends in nice.
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Old 07-14-2014, 09:52 PM   #19
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Quote:
Originally Posted by millertime359 View Post
You won't be able to. A couple of people have tried before and it is too much work for a hit or miss install. I just clipped mine to the wire cover above the rear view Auto dimming rearview mirror. Got the idea from another member. Works well up there and blends in nice.
pics? curious on orientation
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Old 07-15-2014, 08:29 PM   #20
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[quote=jjunior887;42189754]Just a tip I got from a fellow Nasioc member, you can pop off the square connector on the factory SiriusXM antenna and connect it directly to the SXV200. Save yourself $60. Link

I'm curious if that connector comes in all subaru vehicles. I have a 2014 Crosstrek with base radio and will be installing a Jensem VX7020 with GPS/SAT.







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Old 07-15-2014, 09:04 PM   #21
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Quote:
Originally Posted by Covert_Death View Post
pics? curious on orientation
http://forums.nasioc.com/forums/show....php?t=2430330




That's exactly how I did mine. I haven't had any complaints yet from people on the other end even with the A/C on with my 5000NEX.
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Old 07-15-2014, 09:09 PM   #22
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Quote:
Originally Posted by BfloCrosstrek View Post
I'm curious if that connector comes in all subaru vehicles. I have a 2014 Crosstrek with base radio and will be installing a Jensem VX7020 with GPS/SAT.
I believe the base radio in the cross trek does not have Sat radio from the factory. This is to tie in the factory sat radio antenna instead of using the aftermarket one. If you don't have factory sat radio, you don't have the factory antenna.
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Old 08-01-2014, 01:32 AM   #23
ramiec
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Another option for anybody who wants to build their own Aux adapter. You can get a 16 pin plug to match the one in the back of the OEM Clarion unit .

It was tough to find since I didn't have a part number, but my trusty calipers and one late night researching diagrams on mouser.com helped me to confirm the dimensions.

http://www.mouser.com
Tyco Electronics (TE Connectivity)
Mouser part #: 571-1318382-2
TE Part #: 1318382-2
http://www.mouser.com/ProductDetail/...0YRDgpplOiUk60

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Old 08-01-2014, 08:22 AM   #24
millertime359
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If your going to build an aux adaptor, wouldn't you need to the male end to plug back into the radio?

Good find though.
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Old 08-02-2014, 12:48 AM   #25
quantum13
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this may be a stupid question but since the Nav comes with the HK speakers/amp, are the speaker leads on the back of the stock radio meant to send pre-out level signals or is the HK amp designed to accept speaker level signal?

the harness looks like any other wiring harness where the crappy amp in the radio is powering the speakers in the door and that's it.

perhaps the other way to ask is - when you wire up the NEX harness to the Metra harness, are you just wiring up the amplified speaker level output from the NEX to the speaker leads on the metra harness (which then goes to the HK amp i guess)? i take it there is no amp turn on wire or anything...almost as if there is no amp at all...

i ask first of all b/c i'm wondering how to wire it up, and secondly if you read the amazon reviews on that metra harness, it appears that people with stock amplifiers have to bypass them - which i dont want to do b/c the HK speakers themselves sound fine - its just the head unit that blows

Last edited by quantum13; 08-02-2014 at 01:00 AM.
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