Understanding ASC: What it does and reported problems & codes (thread merge)
Perhaps the ASC computer is just being overwhelmed because of the level of torque being sent to the wheels. Maybe ecutek can find a way to reflash the ASC computer to fix this. This is something that would benefit all of us and hell, even the Z chip guys would probably buy it. Any ecutek dealers want to contact Ecutek and tell them about the problem and see if they can help develop a fix for it?
Hmm, so if this is happening to both ecutek tuned Xs and Z chipped Xs alike, lets try to find both the cause and a solution because it'll benefit all of us. Some think it's boost spikes, but there have been cases where it's come on when boost wasn't spiking at all. One person reported that he had to have the TC replaced because the shaft seal failed and leaked out fluid.
I'm guessing that that was a fluke because everyone else who has gotten the light hasn't really had any issues other than the annoying light. If it's just a software glitch or malfunction,it would be nice if mitsu could come up with a fix for this. Doubtful though, considering that it's not an issue on stock Xs. So if it doesn't happen on stock Xs, and it happens on tuned or chipped Xs, then it must have something to do with the raised power levels and the way that ASC opperates.
Perhaps the ASC computer is just being overwhelmed because of the level of torque being sent to the wheels. Maybe ecutek can find a way to reflash the ASC computer to fix this. This is something that would benefit all of us and hell, even the Z chip guys would probably buy it. Any ecutek dealers want to contact Ecutek and tell them about the problem and see if they can help develop a fix for it?
I'm guessing that that was a fluke because everyone else who has gotten the light hasn't really had any issues other than the annoying light. If it's just a software glitch or malfunction,it would be nice if mitsu could come up with a fix for this. Doubtful though, considering that it's not an issue on stock Xs. So if it doesn't happen on stock Xs, and it happens on tuned or chipped Xs, then it must have something to do with the raised power levels and the way that ASC opperates.
Perhaps the ASC computer is just being overwhelmed because of the level of torque being sent to the wheels. Maybe ecutek can find a way to reflash the ASC computer to fix this. This is something that would benefit all of us and hell, even the Z chip guys would probably buy it. Any ecutek dealers want to contact Ecutek and tell them about the problem and see if they can help develop a fix for it?
So far four ecuflash tuned 10's off our mustang dyno and no reports of ASC service light coming on. Two of the four with exhausts.
Have a couple more this week, we'll see if I can get the bonus points ASC service light to come on and get into the secret level.
Have a couple more this week, we'll see if I can get the bonus points ASC service light to come on and get into the secret level.
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The service light doesn't affect driveability though, does it? I would assume it's no different than having a CEL from a test pipe on your car in that it's just an annoying light. When the service ASC light comes on, does it deactivate the ASC or render it inopperable? If so, I guess that kinda sucks but then again, as long as all the other parts of SAWC are still intact (mainly AYC) then I wouldn't worry too much. I drive with ASC turned off every time I drive my car anyway, so it wouldn't bother me that much.
Oh and TTP, that guy you were talking about that had his car replaced was able to make the light come on just from free revving in his driveway, but either way I guess you were right; it does happen to stock Xs. He tried free revving his new one to see if the same thing would happen and sure enough, it did. Maybe there is hope of mitsu fixing this, but still doubtful. They never fixed the P0300 code on the 8s, and this is nothing compared to that so I doubt they'll even pay it any mind. We'll see I suppose.
Oh and TTP, that guy you were talking about that had his car replaced was able to make the light come on just from free revving in his driveway, but either way I guess you were right; it does happen to stock Xs. He tried free revving his new one to see if the same thing would happen and sure enough, it did. Maybe there is hope of mitsu fixing this, but still doubtful. They never fixed the P0300 code on the 8s, and this is nothing compared to that so I doubt they'll even pay it any mind. We'll see I suppose.
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Last edited by STi2EvoX; Nov 18, 2008 at 11:38 AM.
^ What kind of driving are you doing on the street where you would disable the ASC everytime you got in the car? Why turn off something for daily driving when it could potentially save your butt? On the track that is another story if you make a mistake there are not telephone poles and trees.
The traction control sucks on the Evo X. I do the same thing when I get in the car also.
If you go around a turn it drops power to the wheels, closes the throttle plate and the car falls on its face. This is STOCK even.
I can't stand it. I get back in my 2005 Evo MR and I can actually drive it the way it should be able to be.
If you go around a turn it drops power to the wheels, closes the throttle plate and the car falls on its face. This is STOCK even.
I can't stand it. I get back in my 2005 Evo MR and I can actually drive it the way it should be able to be.
^ What kind of driving are you doing on the street where you would disable the ASC everytime you got in the car? Why turn off something for daily driving when it could potentially save your butt? On the track that is another story if you make a mistake there are not telephone poles and trees.
. If you go to the track i can understand but on the street, there's no need to disable it.
My feelings are that if you are aware the ASC is off on the car you can alter your driving style to work with it..
However when a software or hardware throws the ASC light in the middle of driving maneuver thats when it can be very unsafe..
Mike
However when a software or hardware throws the ASC light in the middle of driving maneuver thats when it can be very unsafe..
Mike
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Again, I drive without ASC every time I get in the car. That's the first thing I do is disable it, so I wouldn't care at all. On track days, ASC just slows you down anyway, as all the fastest recorded times are without ASC, but whatever. Don't get me wrong, I'd like to have the bug fixed, but I don't think it's that big of a deal. Without ASC, the X's SAWC system is pretty similar to the JDM 9 with AYC, because those didn't have ASC to begin with, and those weren't "unsafe," so I'm not sure what's with the "use your own judgement driving around like that" comment.
It is much safer to have the ASC shut off than to actively close the throttle plate and brake the wheels when you do not want it to..
The ASC has yet to show us any benefits in the 10,000mi we have driven ours.
The Evo 8-9 had no need for ASC and it allowed real drivers to actually drive the car.
http://www.youtube.com/watch?v=ZvqRPkU7p_Y
The ASC has yet to show us any benefits in the 10,000mi we have driven ours.
The Evo 8-9 had no need for ASC and it allowed real drivers to actually drive the car.
http://www.youtube.com/watch?v=ZvqRPkU7p_Y
Last edited by TTP Engineering; Nov 18, 2008 at 01:50 PM.