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Old 01-09-2015, 02:22 PM   #1
Sigmoid
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Default Aftermarket head unit 2015 Impreza Premium

Hello, again-

Well, I just totaled my 2013 Impreza Premium. I plan to replace it with a 2015 model but there's no room in the new-with-backup-camera dash to install my Kenwood CX 501 double-DIN...it even appears that there's no room for a single-DIN in the new dash.

Has anybody seen a solution for this? Crutchfield told me that I'd have to fabricate a mounting kit but I don't even see space for an aftermarket head unit...regardless of kits or mounting methods.

Any input from this group?

Sig
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Old 01-09-2015, 02:26 PM   #2
iainb
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Why not wait and see if the new radio does what you need? It's a big step forward for Subaru radios.

It's a brand new radio layout that just came out with the 2015 Legacy and Outback. You'll probably just have to wait until Metra/Scosche make a dash kit for it.

Or get an installer to fabricate one for you.
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Old 01-09-2015, 02:28 PM   #3
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Thanks! That sounds wise.
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Old 01-09-2015, 03:25 PM   #4
millertime359
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Considering it is brand new and has an "integrated" head unit now, it will more than likely take some time to get the install kits out.

Considering it is integrated, I would make certain that it doesn't work for you before planning to swap it.
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Old 01-09-2015, 03:33 PM   #5
Sigmoid
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Smile Makes sense

Echoing my earlier response, this sounds like a good idea.

I do have an underseat powered sub (Audion Ordinance 8") I hope to integrate that with the factory system, at least until the aftermarket comes up with a kit to install a high power head unit...or at least a unit with RCAs to run a power amp. New door speakers are already on hand and will be installed, with sound insulation, once the weather warms a bit.

Thanks for all of the input,

Sig
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Old 01-09-2015, 11:37 PM   #6
SVXdc
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As iainb said, the new HU has the same design/layout as in the 2015 Legacy/Outback models.

Quote:
Pictures of the new 2015 Impreza HU and dash:
CM744CL touchscreen HU (from Driving.ca: First Drive: 2015 Subaru Impreza)

(click for larger version)

another 2015 Impreza HU (from Worden Martin dealerships)
Judging from the 2015 Impreza owner's manuals, the Impreza/XV OEM HUs have no integration with other (non radio) functions in the car -- so you won't lose anything critical if you replace with an aftermarket HU. See Audio section for most 2015 Impreza/Crosstrek models here (PDF).

See supplemental sections for 7" Starlink/Multimedia Plus/Navigation system (navigate to 2015 Impreza from here: Subaru Resource Center for owner's manuals).


A 2015 Outback owner sent me pictures of his HU. The body (the part you don't see) is still 2-DIN size. This has been the case with Subaru HUs for many years -- even the 2005-2009 Legacy/Outback HUs with huge fascias. In the new Imprezas/XVs, I suspect you would be able to re-use the factory metal brackets with an aftermarket HU.

Since it appears that several Subaru models will be using the same layout (Crosstrek is the same, and I expect the next Forester and WRX/STi updates will follow suit), it shouldn't be too long before Metra, Scosche, and others come out with 2-DIN dash kits.

For now, all you would need to do is fabricate a replacement fascia. Not overly difficult, given the shape. Might be a good job for a 3D printer. You could probably even fit one of the latest aftermarket HUs with 8" screens (i.e., with larger-than-double-DIN sized fascias), such as Alpine INE-Z928HD and X008U.

[ADDED: See rtaylor11's posts below for a fairly easy (though a bit expensive) dash kit option. I'm afraid that similar kits from Metra and Scosche (if/when they offer them) won't be much cheaper.]
[ADDED2: After looking at the pictures again, I realized that an aftermarket dash kit won't need to include the upper portion around the A/C vents, unlike the 2012-2014 Impreza/XV fascia -- you only need to replace what comes away with the 2015's OEM HU. So the prices on the aftermarket kits should be a bit more reasonable.]

I haven't seen the new Impreza's wiring diagrams yet, but I have no doubt that it will be very similar to the new Legacy/Outback's. Those use Toyota-style harnesses (Metra 70-1761 or similar for power/speakers; 28-pin secondary harness for aux, SWCs, and other signals; and Lexus/Toyota-style AM/FM antenna connector). Unfortunately, Subaru did switch to different connectors for USB and XM sockets on the back of the Legacy/Outback HUs. So it could be a little longer before we see adapters for those.

[ADDED: I got the Impreza/Crosstrek wiring diagrams awhile back, and can confirm they use the Toyota-style connectors, like the new Legacy/Outback HUs. There are just a few small variations in the pin-outs for Impreza/XV vs. Legacy/Outback.]

Note that 2015 Impreza/XV models switched to new audio SWC buttons:
-
(click for larger versions)
They are similar (but not identical) to Legacy/Outback's new buttons. The latter arrange the List and Back buttons (4 and 5, above) vertically to the right of the 4-way button (1/2/3).

Current steering wheel interface modules will require firmware updates to work with these new buttons (due to Subaru having changed the resistor values). They still connect to the HU via 3 wires (2 signals plus common).

Last edited by SVXdc; 04-04-2015 at 04:50 AM.
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Old 01-10-2015, 12:53 AM   #7
Sigmoid
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Smile Good info

Thanks to SVXdc for the in depth information on the other Subaru models and how they can be made to use the double-DIN head units.

I guess this means that if I recycle my CX 501 into the 2015 Impreza, I have to give up the rear view camera...which I'm not prepared to do. My wife's 2015 Honda Pilot has this feature and I rather like it.

Once the aftermarket mount kit becomes available, I could probably choose a new HU that can display the camera image. I guess we'll have to wait and see on that one. In the meantime, it's the dead of winter here in Maryland (hence the snow-related crash that totaled my 2013 Impreza) and I don't have a garage. I probably won't be able to do much of anything till March.

Thanks again to all who have contributed to this thread. You guys are the best!

Sig

Last edited by Sigmoid; 01-10-2015 at 12:54 AM. Reason: Fix typo
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Old 01-27-2015, 10:32 PM   #8
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I have replaced the factory HU in my 2015 Crosstrek. I had to get a trim bezel from a 2014 to make the aftermarket install work. The AC controls portion of the dash bezel is actually part of the OEM head unit.

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Old 01-28-2015, 07:47 PM   #9
Sigmoid
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Question Thanks to all you posters, including rtaylor11.

I appreciate all of you taking the time to respond to my inquiry. I'm still not clear on how the bezel that rtaylor11 shows would work with with an aftermarket head unit. I haven't researched them all-that-thoroughly but wouldn't they have controls that mirror the functions of the control knobs on the 2014 bezel? Do you have duplicate controls? Or do the Subaru controls on the bezel not work?

Since I can't do any upgrades until the weather turns warmer (or I stumble onto a heated garage at no cost) this is all somewhat academic...I am very much still in the planning stage.

Right now, I'd be inclined to use the stock HU, port the speaker outputs to an Audio Control LC7i output controller feeding a Clarion XC1410 4-channel amp, the latter two perhaps mounted on the floor inside the front of the console. Since I have my door speakers already, I'm thinking of cutting some speaker-size holes in the front of the console sides for ventilation and using some of my old speaker grills to keep errant feet out. The LC7i would also provide the signal for the Sound Ordinance under-seat powered sub that I salvaged from my wrecked '83 Impreza.

Please remember that I carry lots of "stuff" and occasionally 4 people in the car so there's not much room to mount extra audio gear.

Again, thanks to all for your input. I look forward to any further comments.

Sig

Last edited by Sigmoid; 01-28-2015 at 07:50 PM. Reason: Fixed typo.
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Old 01-28-2015, 08:01 PM   #10
millertime359
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The dash looks the same size as the '14, so as taylor stated, it sounds like he got the center console trim piece from the '14 Impreza and used it. Have to see if Taylor can post some photos of his finished install.

There plenty of options out there that doesn't take up much room. I have a shallow mount sub in a box in my cargo area that only takes up a couple of inches of space. If I need that space, I can remove it. My 5 channel amp is tucked away under my seat out of the way as well.

I think using a sound processor and keeping the stock unit will be your best bet though.

I'm not center what you are talking about on cutting holes for venting and adding speaker grills. Most 6.5" speakers should fit in the door with spacers without any modification to the door panel.
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Old 01-28-2015, 10:09 PM   #11
Sigmoid
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Default Thanks, Millertime...

I think we're pretty much on the same page. I have tried the sub-box-in-the-rear-cargo-area on a previous car and it didn't work for me. Always in when I wanted it out and vice versa.

As far as the "holes in the console" go, I am planning on using four door-speakers with Patrick Henry's spacers. The concept of using the console space for the components is that it's near the output side of the HU and I'm hoping that there's enough empty space there for the components I mentioned.

The idea of the holes is just so the amp and adapter aren't in a "sealed box" inside the front on the console. I envision cutting a six-odd-inch hole in each side of the console (one near the gas pedal and one matching on the passenger side) for ventilation and then using speaker grills just to finish off the holes.

On one installation I remember doing some year ago (an '88 Honda CRX) there was enough space on the floor in front of the console for a decent sized amp. In the Impreza, the sides of the console run all the way to the firewall so they'll have to be removed to mount the components. I think. While they're out, adding some ventilation seems like a good idea.

Sig.
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Old 01-28-2015, 10:49 PM   #12
rtaylor11
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Quote:
Originally Posted by millertime359 View Post
The dash looks the same size as the '14, so as taylor stated, it sounds like he got the center console trim piece from the '14 Impreza and used it. Have to see if Taylor can post some photos of his finished install.
The dash is very similar from the '14's. I got a trim bezel (AC controls, head unit, AC vents) from an '14 and used it in my '15.

The below pic is was taken a night, so apologies for quality. I will post others tomorrow.


And a pic with everything out

Last edited by rtaylor11; 01-28-2015 at 10:58 PM. Reason: Added photos
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Old 01-28-2015, 11:59 PM   #13
Sigmoid
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Smile Thanks, Taylor-

So the one you used is the second picture posted, the one without the two rotary knobs and four push-buttons on the sides of the HU opening. Right? I think that's what I see in your nighttime picture. There appears to be a "trim ring" around the HU. Where did you find this? Or did you make it?

It appears that the '14 bezel can be removed without disconnecting the heater control push-pull wires behind the dash. Is this correct? If so, it's a big improvement over the '13 model where you have to crawl back there every time you want to remove the bezel.

Does your Pioneer show the backup camera image? If so, how does it compare with the OEM screen? Did you need an adapter to link your steering wheel buttons up to work with the Pioneer? If so, which model are you using?

If your conversion retains the camera function and has comparable blue tooth connectivity, it might be easier than using a line level converter and amp...especially because the HU doesn't use up any more space.

Thanks again,

Sig
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Old 01-29-2015, 05:29 PM   #14
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If you have auto climate control, then you don't have to disconnect the cables. If you have manual climate control (premium trim level), then yes you have to disconnect the cables.

As he stated, that is the trim plate from a 2014 Impreza. Search eBay and can probably find one.

AE64.com for harnesses and steering wheel adaptor.
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Old 01-29-2015, 07:11 PM   #15
Sigmoid
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Smile Thanks!!

Very useful information. That's why I love this site.

Sig
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Old 05-06-2015, 02:42 PM   #16
Sigmoid
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Question Factory HU color codes...anyone have a diagram?

Hey, guys-

Does anyone have (or know where to get) the color codes for the factory head unit on the 2015 Impreza (non-WRX) 6-speaker, non-NAV?

I'm about ready to open up the dash to capture the speaker outputs but don't know which wires are which.

As always, your help is greatly appreciated.

Sig
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Old 05-06-2015, 05:38 PM   #17
millertime359
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Actually, sorry I just remembered that I believe the 2015 changed connectors. I haven't seen any info on that yet.

Last edited by millertime359; 05-06-2015 at 05:39 PM. Reason: mistake
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Old 05-24-2015, 03:36 PM   #18
Sigmoid
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Unhappy Moving right along...

Well, I got the Alpine 4-channel mini amp and the LC61 converter along with the break-out harness and 3 sets of RCA jumpers.

All was well until I tried to reach the back of the head unit...and I got stopped cold! Unlike my 2013, the center panel around the HVAC vents does not extend down the sides of the head unit. The vent panel comes off readily but NOTHING I can do short of excessive force/breakage will get the front panel off the HU.

I can see some little clippy things at the top of the HU face plate but not how to manipulate them. I can also see some screws holding the HU into its frame (it appears) but they're not reachable with the front panel (touch screen, etc.) in place.

Has anyone done this on this year/model yet?

It sure has me stumped.

Sig
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Old 06-08-2015, 11:27 AM   #19
lev3161
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Default '15 Impreza radio removal

The '15 Impreza is a tricky one. To get the radio and climate controls out, because they are one panel, you have to remove the glove box. Peek your head as far up as you can and with a flash light, you will see a 10mm bolt holding the radio in place. You will need a socket extension to reach it. On the drivers side, same thing, drop the under dash panels, might have to remove the airbags as well, just don't disconnect them. Remove the 10mm on both sides and the whole dash comes out.
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Old 06-08-2015, 05:40 PM   #20
Sigmoid
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Default JJob is done...thanks to all for your help and suggestions

With the help of NASIOC members and Crutchfield technical support I was FINALLY able to get the amp mounted and wired to the factory HU. I did have to return the line conversion unit...there was just no room for it except under the passenger seat or sticking it under the carpet somewhere ugly.... and use speaker level inputs for both my powered sub and the Alpine amp. There was room near the HU for the amp but not for the line converter.

Anyway, all's well as ends better...the thing sounds great and looks bone stock.

Sig
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Old 07-18-2015, 09:23 PM   #21
ScubieSubie373
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Default

wafsdasd

Last edited by ScubieSubie373; 07-18-2015 at 10:17 PM.
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Old 07-18-2015, 09:24 PM   #22
ScubieSubie373
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Quote:
Originally Posted by rtaylor11 View Post
I have replaced the factory HU in my 2015 Crosstrek. I had to get a trim bezel from a 2014 to make the aftermarket install work. The AC controls portion of the dash bezel is actually part of the OEM head unit.

How did you get the HU out? I've been having a lot of difficulties.
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Old 07-19-2015, 12:26 AM   #23
Sigmoid
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Default Removing head unit

It is tricky.

First, you have to remove the push-pull cables from the HVAC unit up under the dash and they pry off the control panel (knobs) and pull that away.

There are four 6mm hex bolts (10mm head) holding the HU into the dashboard structure. Two are readily visible at the top. There is one low on each side near the front of the unit. Both of these require a 10mm socket on a long extension...at least six inches. If you have one with a "wobbler" end that's better.

The driver's side bolt requires removal of the trim piece between the knee airbag and the center console. The passenger side is reachable after removing the glove box. I found them both EXTREMELY tightly installed by the factory and they took a breaker bar to loosen the first time.

Once these four bolts are removed, you can pull the HU out a few inches and unplug the cabling. Once the wiring is unplugged, the unit can be fully removed.

Hope this helps.

Sig
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Old 07-19-2015, 03:11 PM   #24
ScubieSubie373
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Quote:
Originally Posted by Sigmoid View Post
It is tricky.

First, you have to remove the push-pull cables from the HVAC unit up under the dash and they pry off the control panel (knobs) and pull that away.

There are four 6mm hex bolts (10mm head) holding the HU into the dashboard structure. Two are readily visible at the top. There is one low on each side near the front of the unit. Both of these require a 10mm socket on a long extension...at least six inches. If you have one with a "wobbler" end that's better.

The driver's side bolt requires removal of the trim piece between the knee airbag and the center console. The passenger side is reachable after removing the glove box. I found them both EXTREMELY tightly installed by the factory and they took a breaker bar to loosen the first time.

Once these four bolts are removed, you can pull the HU out a few inches and unplug the cabling. Once the wiring is unplugged, the unit can be fully removed.

Hope this helps.

Sig
Thanks a lot! I got it out following your instructions without a problem.
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Old 07-19-2015, 04:58 PM   #25
Sigmoid
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Smile You're welcome!

No worries! It's the least I can do to help another forum member after all of the assistance I've received over the last few years.
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