juss 22b Posted November 2, 2010 Share Posted November 2, 2010 Is this an easy fix? Is it just a sensor i have to change? Link to comment Share on other sites More sharing options...
SCHM1AN Posted December 12, 2010 Share Posted December 12, 2010 I just pulled this code from my car earlier today. I have no idea about the ease of this fix... Link to comment Share on other sites More sharing options...
SCHM1AN Posted December 13, 2010 Share Posted December 13, 2010 Found this on nasioc, for whatever it's worth... http://forums.nasioc.com/forums/showthread.php?t=1218779 Link to comment Share on other sites More sharing options...
juss 22b Posted December 13, 2010 Author Share Posted December 13, 2010 I looked under the hood and i think it's the Main fan relay that needs to be replaced. It's a gray 4 prong denso relay on the left side of the under the hood fuse. I'll let you know in a few days if the problem goes away with this replacement. Link to comment Share on other sites More sharing options...
juss 22b Posted December 22, 2010 Author Share Posted December 22, 2010 well im not sure which fixed the problem but there's a 15 amp fuse that was blown in the cabin. I replaced that and then i also replaced main fan relay. either way the problem is gone. i would suggest you replace the fuse first. cheaper. Link to comment Share on other sites More sharing options...
GTTuner Posted December 22, 2010 Share Posted December 22, 2010 What it is telling you is that the control side of the relay is not working. So whatever is trying to turn the fans on is seeing a short to ground. Are the fans running constantly. Link to comment Share on other sites More sharing options...
I Donated thefultonhow Posted December 22, 2010 I Donated Share Posted December 22, 2010 FYI, there is a TSB on the relay issue. Don't delay too much, because you may need an ECM replacement eventually if the relay is bad for too long. Link to comment Share on other sites More sharing options...
jumpoff97 Posted December 24, 2010 Share Posted December 24, 2010 FYI, there is a TSB on the relay issue. Don't delay too much, because you may need an ECM replacement eventually if the relay is bad for too long. link to the TSB? My friend and I just did a remote start on my car and it threw this code for some reason. I will check the fuses first before I replace the relay as well. @Juss 22b....where did you get the relay and how much? Autozone has it as a special order and something like $20. Link to comment Share on other sites More sharing options...
I Donated thefultonhow Posted December 24, 2010 I Donated Share Posted December 24, 2010 I believe the issue was only on 05s, but I may be wrong. I don't have a link to the TSB. Link to comment Share on other sites More sharing options...
frank_ster Posted December 25, 2010 Share Posted December 25, 2010 Signal low means open circuit because the other side of the relay is conected to 12v so yes check fuses then swap out the relay or switch the relay with the other fan relay amd see if the code changes Now that's thinking out of the boxer! fyi all 05 + legacy's have built in code reader Link to comment Share on other sites More sharing options...
jbrown Posted December 26, 2010 Share Posted December 26, 2010 Didn't they have a recall on the fan relay? Link to comment Share on other sites More sharing options...
juss 22b Posted December 26, 2010 Author Share Posted December 26, 2010 i checked with the dealer. there's no recall on my car. my climate control had no power. it wa caused by my a/c harness getting pulled into the compressor and shorted my climate control. The relay was $25 from subaru. Link to comment Share on other sites More sharing options...
jumpoff97 Posted January 4, 2011 Share Posted January 4, 2011 All the fuses were good I checked... I replaced "Main Fan 2" relay, which is the smaller rectangular relay because Autozone only had that one in stock....so I took a chance. After I replaced it, the CEL light disappeared as soon as I started the car without even disconnecting battery. Next day I start the car the CEL light is back!!! I will probably end up special ordering "Main Fan 1" relay which is the bigger square relay. Hope that works. Which relay did everyone in this thread replace??? And if you replaced a fuse which one? Link to comment Share on other sites More sharing options...
Sk8erOrd Posted June 5, 2015 Share Posted June 5, 2015 I'm pulling this code now after blowing a couple fuses by stupidly installing non-ck socketed LED turn signals in my (apparently) CK style sockets. I replaced the blown fuses (2 inside and 1 in the main panel under the hood) but the CEL is still there. The fans seem to be working, and the car doesn't overheat - could it just take a few drive cycles to clear, or will I need to replace the bigger relays? Any way to test before buying? I plan on pulling every fuse in each box and checking them as well, but I just started with the systems I knew weren't working (turn signals, parking lights, combo lights). No need to harangue me for not testing my sockets first, I've already kicked myself many many times for it. :-P 2015 Mustang Ecoboost Premium w/ PP (6MT) 2006 LGT Ltd 5MT OBP Cobb Short Throw Shifter | GS Catless Up Pipe Gone Link to comment Share on other sites More sharing options...
frank_ster Posted June 5, 2015 Share Posted June 5, 2015 Disconnecting battery will reset the code . Or a few short trips should clear it . If you disconnect the battery you should do an idle relearn some cars tend to stall or run rough after a reset. Now that's thinking out of the boxer! fyi all 05 + legacy's have built in code reader Link to comment Share on other sites More sharing options...
Sk8erOrd Posted June 5, 2015 Share Posted June 5, 2015 Nevermind, just started my car and the CEL was gone, so it looks like it just needed a couple cycles to clear. 2015 Mustang Ecoboost Premium w/ PP (6MT) 2006 LGT Ltd 5MT OBP Cobb Short Throw Shifter | GS Catless Up Pipe Gone Link to comment Share on other sites More sharing options...
Sk8erOrd Posted June 5, 2015 Share Posted June 5, 2015 Disconnecting battery will reset the code . Or a few short trips should clear it . If you disconnect the battery you should do an idle relearn some cars tend to stall or run rough after a reset. Yeah, I hate resetting the ECU/disconnecting the battery for just this reason - my Legacy and my ex-wife's forester both had to do the idle relearn. Neither of my WRXs did, though... Annoying, so I try to avoid it, heh. 2015 Mustang Ecoboost Premium w/ PP (6MT) 2006 LGT Ltd 5MT OBP Cobb Short Throw Shifter | GS Catless Up Pipe Gone Link to comment Share on other sites More sharing options...
frank_ster Posted June 6, 2015 Share Posted June 6, 2015 With open source software you can fix those issues . Or you can drill a 1/16" hole in your throttle plate ! Now that's thinking out of the boxer! fyi all 05 + legacy's have built in code reader Link to comment Share on other sites More sharing options...
soloz2 Posted October 14, 2018 Share Posted October 14, 2018 Just got this CEL p0691, checked fuses and look good. Then I saw, the belt slipped. I don't have tools with me to fix, so I'll have to get a tow. Hopefully it won't be too bad... Started, climate control didn't work, and then I shut my car off, and I noticed a new squeal under the hood and CEL. Sent from my ONEPLUS A5000 using Tapatalk Current: 16 Crosstrek Premium w/ Eyesight & 05 Outback XT 5MT Past Subies: 14 FXT Premium, 14 WRX hatch, 06 Legacy 2.5i SE 5MT, 98 Outback wagon Link to comment Share on other sites More sharing options...
I Donated thefultonhow Posted October 15, 2018 I Donated Share Posted October 15, 2018 Why get a tow? Snip the belt, drive home with no AC, buy a new belt at Autozone, install at home on your own time. That belt only drives the AC compressor. Alternator and power steering are on the other belt. Link to comment Share on other sites More sharing options...
DaveWaters Posted October 15, 2018 Share Posted October 15, 2018 Isn’t this usually a sign of the crank pulley failing? I’d definitely inspect the rubber in the crank pulley. Of course a loose belt or something else could be the reason though. Link to comment Share on other sites More sharing options...
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