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Old 05-24-2011, 11:51 AM   #1
dragoryte
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Question 2011 STi harness

Hey all, I've been searching for this answer on various forums including this one and IWSTI and can't seem to find it. I have a 2011 STi and I want to swap out the head unit but I require all of the factory amenities; steering wheel controls, bluetooth controls, usb/aux in console etc.

I talked to my local audio shop yesterday and he told me there was no harness right now that will allow all of this to work with an aftermarket head unit. In hopes this is not true I am looking to you for help.

Does anyone know if there is a harness available for a 2011 STi with Bluetooth/Steering Wheel/USB and Aux controls?

Sorry if this has been answered but I swear I couldn't find it
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Old 05-24-2011, 12:49 PM   #2
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yes there is. I got all my stuff from crutchfield for my steering wheel controls. the console usb will not work though. sorry i hated that too but atlas i got to keep my steering wheels controls. also for my mic i actually put it in the place of the factory mic so u cant even tell it is there
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Old 05-24-2011, 12:55 PM   #3
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Where is the factory mic located anyways?
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Old 05-24-2011, 02:04 PM   #4
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Quote:
Originally Posted by cmiller219 View Post
yes there is. I got all my stuff from crutchfield for my steering wheel controls. the console usb will not work though. sorry i hated that too but atlas i got to keep my steering wheels controls. also for my mic i actually put it in the place of the factory mic so u cant even tell it is there
Is this the wire harness that you got from Crutchfield? http://www.crutchfield.com/p_1207089...e-Harness.html
Do the colors of the harness wires match wire colors in the car?

Did you manage to retain all steering wheel controls (including BT)?

Last edited by ktrulul; 05-24-2011 at 02:14 PM.
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Old 05-24-2011, 02:11 PM   #5
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@ Midevil - the mic is mounted up where the front dome lights are by the driver. I also noticed there is a space by the drivers right knee that could also be for a mic.

@ CMiller -Just like ktrulul asked, were you able to keep your BT controls on your steering wheel AND your audio controls? Losing BT buttons would be a no go for me. Exactly which piece(s) did you get from Crutchfield? Also for the mic, did you have to take off the pillar mounts over where the side airbags are to mount it in the dome light?

I could live w/o USB/Aux for now since the HU I'm looking at would allow me to install my own anyways.
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Old 05-24-2011, 03:01 PM   #6
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Quote:
Originally Posted by dragoryte View Post
@ Midevil - the mic is mounted up where the front dome lights are by the driver. I also noticed there is a space by the drivers right knee that could also be for a mic.
IIRC, I believe that space is where the in cabin temperature sensor is?
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Old 05-25-2011, 12:33 PM   #7
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the factory mic is in between the dome lights. I took that one out and put my after market one in its place. Also i cant see the link at work so when i get home i will post links on the one i purchased. And let me say it was a bitch and the intructions where no help. I had to call the company for help. Also on a sad not i was not able to keep the bt controls on the steering wheel. Sorry guys.


i took the dome down and the one push pin for the headliner and ran it under that to the front on the headliner where it meets the windsheild. then ran it over and down the pillar ( just loosened the bold soi could pull it out a litte) then down the side, under the steering wheel area then up.
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Old 05-25-2011, 12:50 PM   #8
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I just installed a Pioneer AVIC-Z130BT in my 2011 STI. I used the wire harness from a member (SVXdc) on IWSTI and likely here (He makes custom harnesses for Subaru's - plug and play). Check out this thread from IWSTI for more info.

The new version of the PAC SWC 1.6.8 lets you retain BT controls.

I mounted my mic on the rearview mirror windshield trim piece and it seems to work pretty well.

Corey

Last edited by CoreyRED02; 05-25-2011 at 12:52 PM. Reason: Add'l info
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Old 05-25-2011, 01:39 PM   #9
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Dont think anyone else has mentioned it yet but to retian BT control from the steering wheel you need to get a radio that will allow the controls from the wired remote. The only ones currently are the AVIC-Z series and the AVIC-X920BT from pioneer. the Axxess ASWC will retain these controls and auto-program to the car once it is installed, unlike the PAC piece that has to be programmed manually.
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Old 05-25-2011, 02:08 PM   #10
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Quote:
Originally Posted by first suby 2010 View Post
Dont think anyone else has mentioned it yet but to retian BT control from the steering wheel you need to get a radio that will allow the controls from the wired remote. The only ones currently are the AVIC-Z series and the AVIC-X920BT from pioneer. the Axxess ASWC will retain these controls and auto-program to the car once it is installed, unlike the PAC piece that has to be programmed manually.
I'm planning to pick up the AVIC-X930BT, do you know if it's compatible with steering wheel BT controls? After all it's veeeery similar to X920BT.
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Old 05-25-2011, 02:20 PM   #11
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It is not. the AVIC Z series and the AVIC920 are the only ones that had/have tru PTT and BT function thru wired remote. Honestly you'd get the same radio and a better price by picking up a 920 on amazon since they are an authorized pioneer dealer.
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Old 05-25-2011, 02:27 PM   #12
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http://www.pioneerelectronics.com/PU...GPS-Navigation

go there and check both and click compare. the only real differences are voice control on the 920 and dual zone one the 930, each uses a different tuner for traffic info if you go that route. other than that they are the same.

EDIT: the 930 will do pickup and hangup, just not all three buttons like the others. you will have to program the PTT button to do some other function on the 930. Sorry if what I said made it sound as though none of it would work, just not all as the factory does.

Last edited by first suby 2010; 05-25-2011 at 02:35 PM.
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Old 05-25-2011, 02:44 PM   #13
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Quote:
Originally Posted by first suby 2010 View Post
http://www.pioneerelectronics.com/PU...GPS-Navigation

go there and check both and click compare. the only real differences are voice control on the 920 and dual zone one the 930, each uses a different tuner for traffic info if you go that route. other than that they are the same.

EDIT: the 930 will do pickup and hangup, just not all three buttons like the others. you will have to program the PTT button to do some other function on the 930. Sorry if what I said made it sound as though none of it would work, just not all as the factory does.
I'm fine with having PTT button do something else. I don't use voice commands at all anyway. Being a non-native English speaker renders most voice recognition/command systems useless.

Did you also use the harness that's sold by SVXdc? Was it a hassle/tricky to get the Axxess ASWC connected?
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Old 05-25-2011, 02:50 PM   #14
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Dave (SVXDC) has both SWC wires populated unlike anyone else's (Metra, Scosche, etc) harness that dont have any SWC wires. this makes it very easy. If im not mistaken you can get the ASWC from him too.
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Old 05-26-2011, 03:31 PM   #15
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Quote:
Originally Posted by first suby 2010 View Post
Dave (SVXDC) has both SWC wires populated unlike anyone else's (Metra, Scosche, etc) harness that dont have any SWC wires. this makes it very easy. If im not mistaken you can get the ASWC from him too.
I sent him an e-mail a few days ago, at least with the e-mail address listed on ae64.com which is his website and I haven't heard back. Can anyone confirm if he actually does this still?
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Old 05-26-2011, 03:45 PM   #16
first suby 2010
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Originally Posted by dragoryte View Post
Can anyone confirm if he actually does this still?
Yes, sometimes it takes him a little bit to send you a responce, but this isnt what he does for a living, it is to help others out. He will get to you though.
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Old 05-26-2011, 09:30 PM   #17
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Originally Posted by first suby 2010 View Post
Yes, sometimes it takes him a little bit to send you a responce, but this isnt what he does for a living, it is to help others out. He will get to you though.
Awesome, sounds good. I didn't want to send him another e-mail and be rude. I figured this wasn't his day-job. Thanks man.
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Old 05-27-2011, 06:07 PM   #18
SVXdc
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Yes, I've been a bit busy lately.

Answers:

[Most information here is applicable to 2011, 2012, and 2013 models]

Quote:
Originally Posted by SVXdc
  • Retaining steering wheel controls (SWCs):

    For most aftermarket HUs, you'll need a steering wheel interface module -- either the Axxess ASWC (by Metra), or one of the various SWI-* models from PAC Audio (SWI-PS, SWI-JACK, etc. -- different model depending on HU brand). More people prefer the ASWC. See this thread.

    Both the ASWC and PAC modules will "see" all of your steering wheel buttons (6 on older years, 8 on 2011-up with the extra phone/Bluetooth buttons). As far as the module is concerned, they're all just buttons. It doesn't care what the label says on each button.

    You program the module to determine what remote control command it sends to the HU. Each button can do any command that the HU supports.

    That last part is key: Many HUs don't have remote control commands that correspond to all of your wheel's phone buttons (even HUs that have built-in BT). It's a limitation of the HU itself. The HUs where the BT function is provided by an external module have been especially bad about not recognizing those commands.

    As 'first suby 2010' said, some HUs have commands for 'pick up' and 'hang up' and not 'PTT/voice recognition'. Others, vice-versa.

    According to Kenwood, 'call pickup' is the only BT-related function their HUs support via the wired remote port.

    You can program the ASWC or PAC module to assign any leftover buttons to do additional audio functions (e.g., Mute, Band, Seek Up, etc.), so none of your wheel's buttons need be "dead." The ASWC's automatic programming may assign audio functions to some or all of your phone/BT SWCs. If you want, you can go back and manually reprogram a button to do something different.

    Some older Eclipse HUs only understand 5 remote commands (volume up/down, track up/down, and mode -- no mute). So there's nothing you can do with your leftover SWC buttons in this case.

    A few HUs (some Eclipse models, and no-name Chinese HUs) can "learn" a car's SWCs -- they have the equivalent of a steering wheel interface module built in.

    Metra released a firmware update for the ASWC (on 2/23/2011). Their update notes include the comment "Added Kenwood, Sony, JVC, Alpine BT commands." Another entry dated 6/9/2011 has the comment "Added additional Bluetooth functions for Clarion, Kenwood, and Alpine." I don't know what exactly was changed or added, but if you have a module with older firmware, you might want to look into getting it updated. More recently, there was an update on 2/20/2012 that addressed "anomaly of random signals getting sent to the radio causing misc actions."

    As people mentioned, I make a 20-pin install harness (similar to Metra 70-7552 or Scosche NN04B) that includes the 2 or 3 SWC wires, so you don't have to splice into your factory wires. See my profile page for contact info (not PM).
  • Retaining OEM microphone:

    The factory mic in 2011-up models is in a small module with an amplifier circuit (see this thread). The module's audio output is not like an aftermarket HU's mic. Nobody has documented a good way to interface the OEM mic to an aftermarket HU. See this thread for one attempt.

    Unless you're especially skilled at electronics tinkering, you should plan on using the mic that comes with your new HU.
  • Factory aux input jack:

    I have been making an adapter harness to retain use of the factory 3.5mm stereo aux jack (in the armrest center console). I now have more of the parts needed to make those. See my profile page for contact info (not PM).

    If you'll be connecting an iPod, many recent HUs use an iPod interface cable that has both A/V and USB connections to the HU. See this post for issues to be aware of.
  • Factory USB jack:

    The factory USB harness has proprietary connectors at both ends. Pictures on the HU end here.

    UPDATED: Metra now makes a plug-and-play adapter, which connects to Subaru's proprietary plug (the one that was originally plugged into the back of the factory HU) and converts to a standard male USB 'A' (to plug into your new HU's rear USB socket). I have those adapters available.

    OLD TEXT, left for reference:
    Quote:
    Other options:

    1) Build your own adapter to plug into the HU end of the factory cable. See this thread and this thread. UPDATE: I now have some of the Hirose sockets and short USB cables available for you to assemble yourself. See my profile page for contact info (not PM).

    2) Build your own adapter to plug into the aux/USB pod itself. The USB socket on the back of the pod uses the same connector as several HU brands use for various external devices (CD changer, aux input adapter, etc.), though not the same pin-out as Subaru's USB, obviously. Picture of one example:
    The factory plug is right-angle too, so it looks like this aftermarket plug would work with the OEM aux pod. That picture is a Alpine KCA-121B aux adapter, but several brands use that same connector. UPDATE: I've taken a closer look at one of these Alpine aux adapters and found that it doesn't have metal contact pins in the right spots for the OEM 2011-up USB jack. It's possible one for a Sony HU uses different pins.

    3) Cut off the HU end and graft the factory harness onto your own USB plug. See this thread.

    4) Replace the OEM aux/USB pod with an alternate that has a normal USB "A" socket on the back. See my replies in this thread, and the thread I link to at the end.

    5) Remove the little circuit board from the OEM aux/USB pod, and mount the end of your new HU's USB cable inside the OEM pod (or remove the plug from one end of a USB patch cable and solder the cable to the OEM circuit board).
  • Dash kits:

    List of dash kit options for 2008-2011 Impreza/WRX/STI/OBS (plus 2012-2013 WRX and STi) and 2009-2013 Foresters.

    Note: 2012-up Impreza changed the dash. Aftermarket dash kits are now available for those models. You can hack one of the older kits and make it fit. See info and links in the above post.

Last edited by SVXdc; 10-19-2013 at 12:10 AM. Reason: added PnP USB adapter; iPod cable issues
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Old 05-27-2011, 08:37 PM   #19
dragoryte
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You're the man! I will shoot ya an email I'd like to place an order for the aftermarket harness. Is Crutchfield the best place to look for the Pac unit you referred to? Can you pm me your email so I know I have the right one?
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Old 08-02-2011, 03:43 PM   #20
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There is no wiring diagram available for the 2011 cars on the Axxess Site. How are you guys figuring out which wires on the ASWC side to use?

This is the response I got from their customer service:
"I do not have any wiring solutions for the 2011 WRX with Navigation and have no confirmation of the 2011 being the same as the 2010. So I cannot say with confidence that that wiring solution for the 2010 will work for you."
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Old 08-02-2011, 07:36 PM   #21
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Some of us have seen Subaru's 2011 wiring diagrams.

On 2011 models with the OEM Kenwood Navi system, the wiring and SWC buttons are exactly the same as 2008-2010 models with Navi (except for the change to the new amplified microphone).

And I've provided harnesses to 2011 owners who had both nav and non-nav OEM systems. I can make a harness with the proper socket to connect to the factory 24-pin nav harness (which not only has the 2 SWC wires but also VSS, reverse gear, parking brake, and the leads from the center console A/V jacks).

Last edited by SVXdc; 08-02-2011 at 07:44 PM.
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Old 08-02-2011, 08:45 PM   #22
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So I use the same ASWC side wires as the 2010 and connect them to the SWC+ and SWC- wires in your 24-pin wiring diagram?
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Old 08-02-2011, 09:52 PM   #23
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Quote:
Originally Posted by first suby 2010 View Post
It is not. the AVIC Z series and the AVIC920 are the only ones that had/have tru PTT and BT function thru wired remote. Honestly you'd get the same radio and a better price by picking up a 920 on amazon since they are an authorized pioneer dealer.
Is this still true? I'm trying to find an HU I like that isn't a nav to save some money. So the JVC KW-AVX840 won't support my SWC buttons?
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Old 08-03-2011, 09:18 AM   #24
first suby 2010
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Quote:
Originally Posted by RyanCuad View Post
Is this still true? I'm trying to find an HU I like that isn't a nav to save some money. So the JVC KW-AVX840 won't support my SWC buttons?
Yes, it will. The PTT button on imprezas with bluetooth will have to be remapped to a different function though on radio models other than those listed. It was always able to be remapped to provide a different function, it is just that if you want to keep it as true push to talk you had to use one of those poineers.
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Old 08-03-2011, 12:20 PM   #25
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sorry, i meant to ask if that jvc won't support my SWC PTT bluetooth buttons. i understand i could always map them to do something else, but i like the on hook, off hook, and voice command features. So no double din non-nav units currently that can at least do the voice command from the swc bt buttons? i know svx said some units can do maybe a couple of the buttons. PTT is probably the most important of the three for me
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