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Old 02-19-2011, 05:26 PM   #1
phenryiv1
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Default FYI: ASWC installed with full OEM function of stereo controls

In several past threads, I had inquired as to whether the Metra ASWC can be re-programmed to maintain the full OEM functionality of the SWCs. Past reports were indicating that not all of the buttons would function as OEM. All of the buttons would still function, but they might not follow the OEM functions in all modes. For me, this change in SWC function was a reasin to consider NOT upgrading the stereo to aftermarket (though eventually, the crappy sound pushed me over the edge). I know that a lot of other people have posted about a similar apprehension, so I wanted to post up about my successful install with full OEM SWC function using the ASWC and the Clarion CX609. BE AWARE: OTHER STEREOS MIGHT NOT HAVE THE SAME FUNCTION!!!

Old discussion threads:

http://forums.nasioc.com/forums/show....php?t=2108660

http://forums.nasioc.com/forums/show....php?t=2113615

Here is a Cliff's Notes of the threads/issue:

Quote:
Originally Posted by phenryiv1 View Post
The stock configuration is that in radio mode, the buttons control the skipping from one preset to another in radio mode and the file/track change function while in CD/Media mode. Also, in CD or Media mode, holding down the forward/reverse buttons allows for skipping within a track.

That being said, I have done some research into the Metra Axxess ASWC. One huge complaint is that the auto-program function does something with 2 of the SWC buttons that most users don't seem to like. Specifically, the autoprogram function apparently remaps the track/preset up & down buttons and makes them a track/file up/down (in CD or media mode) and a station (as opposed to preset) up/down when in radio mode. The other option is that the buttons will do preset up/down in radio mode, but will control FOLDER up/down in media mode. (I don’t know what it does in CD mode.)
-and-

Quote:
Originally Posted by phenryiv1 View Post
None of the steering wheel control adapters seem to control the same functions as the stock controler while in all modes. As has been pointed out, this is due to custom programming by Subaru. The Subaru programming actually makes sense- but the aftermarket HUs that accept steering wheel controls do not "see" the same commands for all of the buttons while in different modes.

Hypothetical example:

5 buttons on the Subaru SWCs
"Mode"
"+"
"-"
"^"
"V"

On the factory SWS, those might correspond to a particular set of pulses (think Morse code).

For example:
Mode = _ _ .
+ = _ . _
- = . _ .
^ = . . _
V = _ . .

Now, on the stock HU (and all aftermarket), they may see _ _ . and know to switch modes. Easy enough.

They may also see _ . _ and . _ . and see volume up and down, respectively. Aftermarket HUs see the same. So far, so good.

Within each mode, we see the variation. On the stock HU, . . _ means next track AND next (numerical) preset, while _ . . tells the stock HU previous track or numerically lower preset. This is because Subaru designed the HU to accept those signals to do what they wanted the HU to do when it received signals from those buttons.

Aftermarket HU manufacturers did not think about OEM steering wheel controls when designing their interface. For them, the input that changes tracks (normally a left/right movement or button) may also be the same command that puts the tuner in "seek" or "tune" mode, as opposed to the command that changes presets (which is nornally an up/down command- a command that typically tells an aftermarket HU to change discs or folders when in media mode).

The same commands that would tell the HU to skip track seem to tell the radio to seek or tune, while the command to change presets seems to tell the HU to change folders or tracks.
For me, this was a huge issue, so I was going to leave the preset skip buttons as they are set by default, and was going to use one of the BT buttons as a track skip function. Not perfect, but an acceptable compromise.

Fast forward to today when I installed my Clarion CX609 and the ASWC...


There was a really GOOD surprise: The ASWC works 99% like it did with the stock stereo. The even better part: The 1% difference is for the better!

That is right- the ASWC controls the stereo presets in the same manner as it did with the stock stereo, and unlike what was reported with some other brands, the ^V arrows control file skip when in USB mode- not folder jump, which is what it does with some other brands of stereos. I went back and checked a CD and the same thing applise- full OEM SWC functionality! I have not checked it on iPod (my iPod is a Shuffle), but on the CD, Tuner, and USB, it does exactly what I wanted it to do,which is to follow OEM function.

And the bonus: While the stock stereo cannot be turned on from the SWCs, wih the ASWC, the Clarion CX609 can be turned on or off from the SWCs using the "Mode" button!

As for the sound, even with absolutely no fiddling with the tone controls, the radio sound is so much better then the OEM sound that it is not even fair to compare the 2. Radio reception seems to be the same, and USB sound is just about equal. It is actually better than it was with the stock stereo, but part of that is because the tone settings on the stocker were set up to make the tuner suck less, which made the CD/USB function sound too bass-y AND too bright. WIth the flat EQ of the CX609, I don't have that over-compensated sound curve to deal with- different functions sound the same.

So the take-home message is that while not all aftermarket stereos will work this way, the (now discontinued) Clarion CX609 DOES maintain the full factory SWC audio functions when used with the ASWC.

I have not tried the BT functions (though I did add the extra ASWC wires to the adapter harness, as recommended by SVXdc), so I will report back on that once I add the BT mic.
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Old 02-19-2011, 07:10 PM   #2
GReddy5
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Did you following the install instructions provide with the ASWC? Reason i am asking is i am having problems with mine and i followed SVXdc instruction and it isn't working for me, so i just want to get my ducks in order when i trouble shoot it tomorrow.
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Old 02-20-2011, 07:30 AM   #3
phenryiv1
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I can't get my BB 9700 to post to NASIOC, so I had to log in from my laptop to reply...sorry for the delay.

Anyway, I followed a weird combination of instructions, but the way SVXdc explained it to me, it made perfect sense.

I used his wiring instructions, as they came when I ordered the wires from him. I did NOT follow his online guide for the wiring combo!!! The directions that came with the BT wires that I bought from him explained it perfectly.

As far as the actual programming instructions, I actually did a reset on the unit prior to install and it worked perfectly when I fired it up. I had the wiring all in-place, connected the HU to the harness, powered up the car, and then connected the ASWC to its wiring plug. As soon as the LEDs stopped blinking, the unit functioned properly.

If I can find the electronic version of that David sent to me, I will post it here.
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Old 02-20-2011, 07:32 AM   #4
phenryiv1
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Okay, I found it. It was in an email. I hope that David won't mind me re-posting it here. If so, David, let me know and I will redact it.

Quote:
Originally Posted by SVXdc
Inserting SWC wires into the Metra harness:

Look closely at the contact pins. Note there is a tiny spring clip on one side. Insert the pin with the spring facing up. The top of the connector shell has the row with the Orange, Red, and Blue wires.

Refer to my pin-out table for the pin numbers and wire locations. The drawing corresponds to the rear of a "forward" harness (the side where you'll insert the new wires):

http://ae64.com/20-pin-pinout.htm

Insert the three wires as follows:

* Gray/Red (with no mark) - pin 4
* Gray/Red (marked with white heat shrink tubing) - pin 13
* Black/Yellow - pin 14

Double-check before inserting. Although it's possible to extract a pin, it can be difficult. Better to get it right the first time. Push in each wire until it clicks in. Check the tip to be sure it emerges through the correct hole on the front of the shell (the smaller, square hole). Tug on the wire to verify it's locked in.

------------------------

ASWC and 20-pin harness installation:

See these links for my installation instructions:

http://ae64.com/Subaru-20-pin-harness-install.htm

http://ae64.com/aswc-install.htm

Connect the ASWC as follows (instead of the way shown in the above guide):

* Black to other ground wires (20-pin harness and your HU's harness)
* Red to other +12V wires (20-pin harness and your HU's harness)
* Pin 14 on 20-pin harness (Black/Yellow) to the other ground wires
* ASWC pin 4 (Green/Orange) to pin 4 on 20-pin harness (Gray/Red)
* ASWC pin 8 (Black/Green) to pin 13 on 20-pin harness (second Gray/Red marked with white heat shrink tubing)

Don't use any of the ASWC's other wires (besides the 3.5mm plug). You will not ground any of the ASWC's other input wires.

Follow the remaining instructions in my online guides.

After the ASWC auto-programs, test your SWC buttons and make a note of which of your car's buttons work and what functions they do on the HU.

Many HUs do not have remote commands that match all of your car's buttons. The ASWC may assign audio functions to some or all of your phone SWCs.

If the ASWC doesn't recognize the phone buttons (or some of the others), and you're sure it's not a Bluetooth issue (i.e., it doesn't see your cell phone, so it won't let you go off hook to place a call), try the ASWC's manual programming procedure to assign the "dead" buttons to other audio functions that the ASWC didn't choose (e.g., Band, Preset Up/Down, Mute). That will at least confirm that the ASWC is able to see all 8 of your car's buttons.

Let me know what the ASWC does. I'll report any problems to Metra.
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Old 02-20-2011, 10:04 AM   #5
djinn
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I've had the AWSC since March of 2010. I've never had a problem with it except for the controls going hay wire once in a while. Like the ^ would be lowering the volume. Other than that I have had no problems and have been enjoying it for a while.
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Old 02-21-2011, 02:04 AM   #6
GReddy5
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I got the same info from David. Now I need to figure out what I did wrong lol
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Old 02-21-2011, 10:09 AM   #7
phenryiv1
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Quote:
Originally Posted by GReddy5 View Post
I got the same info from David. Now I need to figure out what I did wrong lol
Not that I am an expert, but what is yours doing?
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Old 02-21-2011, 02:03 PM   #8
GReddy5
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When I first power it on, it looks like its programming. I thought the light should stay on after it finish, but it doesn't and the swc doesnt work. I am pretty sure I did something wrong and it be a simple fix once I find the error. I am thinking its a loose connection somewhere.
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Old 02-21-2011, 02:46 PM   #9
SVXdc
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Verify that the ASWC's 3.5mm plug is plugged securely into the HU's steering wheel remote control jack. Also try unplugging and plugging it a few times (to make sure the HU's contacts aren't dirty).

Check the ASWC's LED feedback codes:
  1. Turn on your HU.
  2. Turn off your ignition key and wait a few seconds.
  3. Turn the key to Accessory.
  4. Don't touch any buttons -- wait.
  5. The ASWC will initially flash the LED rapidly for 15 seconds.
  6. Then the light will turn off for 2 seconds.
  7. The ASWC will flash 7 flashes (some short, some long). Note which ones are long.
  8. The light will stay off for 2 seconds
  9. The ASWC will flash from 1 to 9 times. Count how many.
  10. The light will stay off for 2 seconds
  11. The light should then go solid "on" (or else it will start flashing slowly).

Look up the feedback codes in the ASWC's manual. The first group tells you which SWC input wires the ASWC thinks are connected. The second group is what HU brand it thinks is connected. If either of those is wrong, that should help point you where to look for problems.

Look closely at which wires you connected (you really need bright light). It is easy to mis-read or overlook a stripe, or to get wires mixed up (for example, using Orange/Green instead of Green/Orange).
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Old 02-21-2011, 03:04 PM   #10
first suby 2010
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Quote:
Originally Posted by djinn View Post
I've had the AWSC since March of 2010. I've never had a problem with it except for the controls going hay wire once in a while. Like the ^ would be lowering the volume. Other than that I have had no problems and have been enjoying it for a while.
sounds like you may not have soldered your connections like they advise, using t-taps or something?
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Old 02-22-2011, 03:13 PM   #11
phenryiv1
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Quote:
Originally Posted by GReddy5 View Post
When I first power it on, it looks like its programming. I thought the light should stay on after it finish, but it doesn't and the swc doesnt work. I am pretty sure I did something wrong and it be a simple fix once I find the error. I am thinking its a loose connection somewhere.
Have you tried a reset and then plugging it back in?
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Old 03-06-2011, 04:03 PM   #12
GReddy5
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finally got so time today to work on the ASWC problem. I recheck and made sure all the connect are secure. When the ASWC starts to program, the first series of blinks only shows 5th led to stay on for longer than the rest. Then the 2nd series of lights blinks 5 times, and according to Metra's info, the ASWC think it's connected to a JVC unit (i have a kenwood DDx418). The ASWC should have a long led light on 3 and 5 on the first series of lights. I might go pickup another ASWC to see if the one I got is defective and since i bought an extra harness from David, I might just swap it out to see if it is the problem with the pins i installed to the scoche harness.
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Old 03-06-2011, 04:59 PM   #13
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There's a quick test you can make with an ohm meter:

* Turn off ignition key
* Unplug ASWC's harness from module
* Use ohm meter to measure between the pins for the ASWC's black ground wire and ASWC's Green/Orange (from Subaru's pin 4)
* Measure between the pins for the ASWC's black ground wire and ASWC's Black/Green (from Subaru's pin 13)

If your meter's test leads won't make contact with the pins in the ASWC harness, use some short pieces of small-gauge wire (or a few strands of stranded wire) to poke into the pins.

In both cases, you should see 100K ohms with no buttons pressed. You should see the following values as you press each button:

Note: These values are for 2011 Impreza and Forester with the phone buttons on the wheel. Not Legacy/Outback.

Subaru pins 4 to 14:
Seek up - 0 ohms
Seek down - 330
Vol up - 1000
Vol down - 3110

Subaru pins 13 to 14:
Mode - 0
On hook - 330
Off hook - 1000
Talk - 3110

If you're not seeing that, you have a problem with your wiring (or a bad contact pin inside one of the connector shells).

Make sure your Subaru pin 14 is tied to the ASWC's ground.
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Old 03-06-2011, 10:06 PM   #14
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I will give it a go again next weekend. Thanks for the info David.
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Old 03-06-2011, 11:11 PM   #15
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I will admit, when I first installed mine, I made the Orange/Green -Green/Orange error. Some of the buttons would work but not all, check your wiring. The stripes are very large and I confused the wires.

Also, I think that your Clarion may be the reason everything works as Subaru intended. My Pioneer will not do that. If I set it so it skips tracks properly, it won't skip presets on the radio, it only goes up .2 MHz at a time. If I do the opposite and set it so it skips presets, nothing happens when I try to change the tracks on my iPod or CD.
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Old 03-07-2011, 12:35 AM   #16
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Dont feel bad. When I was installing my CX609 the orange/green stripes confused me too. I studied the pin out diagram to get it straight. Everything turned out fine and love the new HU. The bluetooth control buttons did not work for bluetooth but do for other functions and can be reprogramed.

Quote:
Originally Posted by Chayse View Post
I will admit, when I first installed mine, I made the Orange/Green -Green/Orange error. Some of the buttons would work but not all, check your wiring. The stripes are very large and I confused the wires.

Also, I think that your Clarion may be the reason everything works as Subaru intended. My Pioneer will not do that. If I set it so it skips tracks properly, it won't skip presets on the radio, it only goes up .2 MHz at a time. If I do the opposite and set it so it skips presets, nothing happens when I try to change the tracks on my iPod or CD.
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Old 03-07-2011, 12:53 PM   #17
phenryiv1
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Quote:
Originally Posted by Chayse View Post
I think that your Clarion may be the reason everything works as Subaru intended. My Pioneer will not do that. If I set it so it skips tracks properly, it won't skip presets on the radio, it only goes up .2 MHz at a time. If I do the opposite and set it so it skips presets, nothing happens when I try to change the tracks on my iPod or CD.
I think that you are correct. It is off that some Canadian models have the Pioneer-made units and work with the SWCs but the aftermarket Pioneers don't.
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Old 04-15-2011, 12:52 PM   #18
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Quote:
Originally Posted by SVXdc View Post
There's a quick test you can make with an ohm meter:

* Turn off ignition key
* Unplug ASWC's harness from module
* Use ohm meter to measure between the pins for the ASWC's black ground wire and ASWC's Green/Orange (from Subaru's pin 4)
* Measure between the pins for the ASWC's black ground wire and ASWC's Black/Green (from Subaru's pin 13)

If your meter's test leads won't make contact with the pins in the ASWC harness, use some short pieces of small-gauge wire (or a few strands of stranded wire) to poke into the pins.

In both cases, you should see 100K ohms with no buttons pressed. You should see the following values as you press each button:

Note: These values are for 2011 Impreza and Forester with the phone buttons on the wheel. Not Legacy/Outback.

Subaru pins 4 to 14:
Seek up - 0 ohms
Seek down - 330
Vol up - 1000
Vol down - 3110

Subaru pins 13 to 14:
Mode - 0
On hook - 330
Off hook - 1000
Talk - 3110

If you're not seeing that, you have a problem with your wiring (or a bad contact pin inside one of the connector shells).

Make sure your Subaru pin 14 is tied to the ASWC's ground.

Where can I pickup some female contact pins that are inserted into the connector shell? I have already done all the soldering of radio wires and do not want to tear up my factor side harness!
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Old 04-18-2011, 12:50 PM   #19
phenryiv1
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Quote:
Originally Posted by Bluesbone View Post
Where can I pickup some female contact pins that are inserted into the connector shell? I have already done all the soldering of radio wires and do not want to tear up my factor side harness!
Email SVXdc.
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