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Old 12-23-2004, 03:26 PM   #1
Xyber25RS
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Sedona Red Pearl

Question Power Door Lock Problems...and now confusion

Alright, well, i guess ill start with how it happened. I have a 2000 impreza 2.5 rs. My battery was hooked up backwards, stupid i know, but it happened. Anyways, then i blew some fuses and such, replaced those but my power door locks keep blowing my 15A alarm fuse. It does this only when i unlock my doors using my power locks, if i lock my doors with the power locks they work fine.

Looking into this problem, i checked the wiring throughout the doors and everything looks go with that, no shorts. I figured it might be in the actuators so i disconnected each individually and tested it and it still blew, so im assuming its not my actuators. While i was asking around to see wut the problem might be, one of my buddies (an electrical engineer) said that it sounds exactly like a blown H-bridge (then proceded to explain to me wut an H-bridge is) and i took that as a module. So then i started looking into that. Called up the dealership to find where it was and a part number. They told me it was underneath the passenger side dash. I also posted online and had 3 people post that it was underneath the drivers side. I found this strange and figured that the dealership was talkin bout a different part. Now when i just went into the dealership, they (and one of the subaru tech's working) told me that there was no module for the power door locks, that it was all wired into the ecu, which really confused be cause through all my research into this problem, i never heard about this.

There has got to be some answer out there and if u guys could help me out it would be great. My money is still on the power door lock module, but where is it, wut does it look like, and what is the part number on it? If you guys think it might be something else, please lemme know, any help is greatly appreciated. BTW, my alarm was on the car from manufacturing, if that makes any difference.

Thanks,
Ryan
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Old 12-23-2004, 03:47 PM   #2
Mulder
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I don't have a diagram for the '00 but it definitely isn't part of the ECU. There is a separate module that is probably blown from the reverse polarity. If all else fails you can always go to the Subaru tech website and download the manuals so you'll have the right info first-hand.
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Old 12-24-2004, 03:15 PM   #3
Xyber25RS
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i was thinkin it was another module too, but is it a module integrated into the alarm or keyless, or is there a separate module for specifically power locks?

Ryan
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Old 12-25-2004, 12:58 AM   #4
brunetmj
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Quote:
but is it a module integrated into the alarm or keyless, or is there a separate module for specifically power locks?
I cannot speak for the 00. But on 02 and above the security module and the door locks all tie in at the keyless entry module. Best bet is to disable the secuirty module until the door lock module can be replaced.
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Old 12-26-2004, 05:56 AM   #5
Xyber25RS
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Well, i have taken off the starter interupt cable for the mean time so atleast my car can start.
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Old 12-28-2004, 03:03 PM   #6
Xyber25RS
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bump, any other ideas?
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Old 12-29-2004, 10:47 AM   #7
tompetey
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I pm'ed ya some possibly valuable information.
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Old 03-10-2007, 10:53 PM   #8
isburns
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bringing this back from the dead to see what the problem might have been, I searched and found a few other threads but no one ever posted back what the problem was.

I did the same thing, crossed the cables when jump starting and blew some fuses, now when I unlock the doors with the power locks the door lock fuse blows. I can lock the doors with the power locks no problem.

I also found these two threads with no answers...
http://forums.nasioc.com/forums/showthread.php?t=516987
http://forums.nasioc.com/forums/showthread.php?t=508356
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Old 03-10-2007, 11:04 PM   #9
Mulder
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I doubt you're going to get an answer here from the OP, this thread was the last time he posted on NASIOC.
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Old 03-10-2007, 11:55 PM   #10
isburns
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that's a bummer, though I figured I didn't really need to start a new thread since I'm having the exact same problem. Less clutter for future searches that way?
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