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Old 02-01-2011, 04:31 PM   #1
CarterMarkham
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Default 2011 WRX One Touch Up/Down Not Working After Replacing Battery

I replaced my battery to get some more CCA over stock. Now my one touch up/down doesn't work. Anyone know the procedure to fix this issue?

Thanks in advance!
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Old 02-01-2011, 06:16 PM   #2
Tesh
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I just had this happen when i pulled the battery to change a bulb - start the car, (can probably be in accII, but mine was on), press auto-down but hold it the whole way, then hold auto-up the whole way.

should reset itself and should work from there on (i suspect auto-learning rollup module)
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Old 02-02-2011, 10:43 AM   #3
PIlo101
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+1, same happened to me, I did the same, and held it on UP for a few seconds after it closed, after that it was good.
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Old 02-02-2011, 10:18 PM   #4
Ogden
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In a related question; does anyone know if the auto-up is a function of the switch?

The 09s just have auto-down, it would be nice if I could just swap in an MY11 switch and get the auto-up as well as down.
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Old 02-04-2011, 07:42 AM   #5
PIlo101
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Yeah, it should be the switch...but I'm not responsible if it is indeed more
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Old 02-22-2011, 09:13 AM   #6
xluben
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Quote:
Originally Posted by Tesh View Post
I just had this happen when i pulled the battery to change a bulb - start the car, (can probably be in accII, but mine was on), press auto-down but hold it the whole way, then hold auto-up the whole way.

should reset itself and should work from there on (i suspect auto-learning rollup module)
Thanks for this post. I also pulled the battery cable recently, only to find that my one touch window no longer worked. I searched and found this thread. After I what you described (all the way down, then all the way up), it is back to working perfectly!

I would also like to know the answer about the switches. I have an '11 that has one touch up AND down, but it's only for the driver. I'd love to have it on all 4 windows. If it's as easy as swapping out switches I will go buy 3 more and put them in.
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Old 02-22-2011, 12:18 PM   #7
Power6
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For those curious about the auto up/down and swapping switches around I have looked into this and can shed some light. I know some really want to believe that there is some magic combo of swapping switches around, so let me see if I can help.

Short answer: Forget it, ain't gonna happen. Get an aftermarket module.

Long answer: I haven't seen wiring diagrams or the switch for a 2011, but there are tons of Nissan/Infiniti models using the same type of switches so there is some existing hardware to have a good idea of how Subaru implemented this change. I got a cheap Infiniti M-somethign switch, and it was completely useless for the Subaru, so read on if you want to know why.

Back in the day I believe Subaru had auto up/down before most other manufacturers did. They did this the same way all the auto-down only windows worked, the same way that aftermarket "auto window" modules work. The switch completes a circuit, it is just connecting power or ground to the motor, then it "listens" for noise and resistance to indicate the motor has reached the end of its travel, then it "clicks" off.

The problem with this type of setup is that it needs to be "tuned" to the motor, and differences in resistance due to sticky windows in the cold vs easy sliding in the summer mean the "listening" needs to be pretty heavy-handed about not just clicking off when the windows is halfway down. This is fine for auto-down operation, but when used for auto-up the switch can't really tell if the window is just sticky because the grease on the tracks is cold, or the window is chewing through your children's fingers. I do believe that Subaru was sued over such a scenario, and as result they pulled the auto-up/down windows out of their cars.

Due to the above, NO car manufacturer uses auto-up windows without more robust pinch protection. The above method is still used for auto-down windows, presumably because the risk is so much less of pinching something valuable on the way down than it is on the way up. Subaru uses this method for their auto-down only windows.

What I described above is a very old method of powering a window, the switch completes the circuit when you press the switch down. Modern auto-up windows do not work that way. An auto-up/down window will have more than 2 wires going to the motor. In addition to power and ground, there are 2 more wires that carry a square wave signal for motion, or progress if you will, that feeds back to a window module, or a logic board in the switch itself. In the case of our Nissan type switches, the logic is in the switch.

What happens when you press the button on that full auto window switch? It is just a momentary connection on the logic board, even for the secondary auto position. The switch press becomes a "request" to a window controller, which then completes the circuit, and also starts listening to the motion input signal. If and when the motion of the window stops or slows too much, the controller will stop the window, or even back it off a bit, as the window logic is smart enough to keep track of how far the window normally travels, it knows if it might be munching on your children. In this way, winter or summer, the window can be closed with enough power to overcome any stickyness or account for wear on the tracks, but yet it will never take out your loved ones. Alarm installers call these new style window switches "data switches" for what should now be obvious reasons.

Note that since the travel has to be learned by the switch, sometimes when you disconnect your battery or at other random times the auto down/up might not work, the window has to be "re-learned" by putting it down and then up by holding the switch. This is fairly common with the Nissans, and now that it seems to happen with the Subaru, I think we can assume they are using the same logic to work the auto up/down window.

So what happens when you plug the new style switch into the old style windows? Nothing, because without the extra wires feeding the position/motion data, the logic board refuses to operate the window ;-)

So this is why you cannot just swap switches. Nevermind that Subaru may have moved terminal arrangement around as well. To do this for just the drivers window, you would need to get the motor and switch and do some custom wiring as well. Is that worth it to add auto-up to the just one window? I guess that is up to each person.

I know you might be thinking: What if you wanted just the old style auto-down on all windows, could you swap just those sort of switches in? Well first thing to know is the driver's "master" switch is one single unit with windows, door lock and window lock-out buttons. It is NOT separate switches. You would need to find a whole unit that does what you want. I searched and searched and came to the conclusion that Nissan is pretty much all "data" type switching now. Any of their cars with more than driver's auto-down will have auto-up as well, and you know what that means. Subaru is rather old school with their window wiring, you aren't going to find a swap there. I also looked for seperate auto-down switches for the passenger positions, and came up with nothing.

So there you have it. In the end I purchased 2 DEI 530T window modules and I have auto up/down all around. The aftermarket modules do use the old style "widowmaker" resistance/noise method. I don't have kids yet, and I only wired up my driver's door switch, so I have kept the risk low I think.

I have BTDT, if you think you can swap out switches and get auto stuff, FORGET IT, AIN'T GONNA HAPPEN!!
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Old 02-22-2011, 01:27 PM   #8
xluben
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Quote:
Originally Posted by Power6 View Post
Short answer: Forget it, ain't gonna happen. Get an aftermarket module.

Long answer: ...
Awesome reply. Tons of good info. Saved me a lot of trouble.

I've seen this recommended:

http://www.thehoffmangroup.com/autol...?itemid=WC1000

Any comments on that? Seems simple enough. Splice some wires, and it does the rest.
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Old 02-22-2011, 02:16 PM   #9
Power6
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Quote:
Originally Posted by xluben View Post
Awesome reply. Tons of good info. Saved me a lot of trouble.

I've seen this recommended:

http://www.thehoffmangroup.com/autol...?itemid=WC1000

Any comments on that? Seems simple enough. Splice some wires, and it does the rest.
Yup, that is the stuff, does the same things as the DEI modules I used. It doesn't say in the link, but I assume it does 2 windows, so you would need 2 of them to do all 4 windows.

If you wire it all in the driver's door, it is pretty simple, but the auto operation only works from the driver's switch. This was preferred for me so I did it this way.

If you want all the switches in the doors to be "auto" you have more work to do, you have to run wires into each door.

These modules are all made to work with aftermarket alarms, so once you have them installed, they can take up/down/vent requests from your alarm, if you have one, to work the windows remotely.

edit: I do want to point out, for my 09 WRX I wired up all the windows. For your '11, you will want to leave the drivers window circuit alone so as not to interfere with the stock auto operation. That might affect what you can do with an aftermarket alarm, but that is beyond me, it is a challenge I didn't have to deal with.
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Old 02-22-2011, 02:43 PM   #10
xluben
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Quote:
Originally Posted by Power6 View Post
Yup, that is the stuff, does the same things as the DEI modules I used. It doesn't say in the link, but I assume it does 2 windows, so you would need 2 of them to do all 4 windows. If you wire it all in the driver's door, it is pretty simple, but the auto operation only works from the driver's switch. This was preferred for me so I did it this way.

If you want all the switches in the doors to be "auto" you have more work to do, you have to run wires into each door. These modules are all made to work with aftermarket alarms, so once you have them installed, they can take up/down/vent requests from your alarm, if you have one, to work the windows remotely.

edit: I do want to point out, for my 09 WRX I wired up all the windows. For your '11, you will want to leave the drivers window circuit alone so as not to interfere with the stock auto operation. That might affect what you can do with an aftermarket alarm, but that is beyond me, it is a challenge I didn't have to deal with.
Actually, looking at the wiring diagram I think that each one of those modules only works for 1 window. I would need 3 of them to convert all of my windows. A little more spendy than I thought.

Not interested in wiring up any of the other doors to have that control, so I would only need to worry about the driver's door. Also not planning on an alarm, so nothing to worry about there either.
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