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Abs and Traction control

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Old 10-03-2009, 12:17 PM
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Help!!! Abs and Traction control dont wont work

I have a turboed 8, only thing else is spark plug wires, and i recently put the mazsport cooling mod on it. now every time i drive after start up, a few miles down the road my abs and traction control lights come on ( like if you hold the buttom for 7 seconds) and traction control and abs are indeed shut off. Im wondering why it keeps doing this, i feel it has something to do wiht the mazsport mod, becuase it started right after i installed that.

Thanks

Last edited by shinka911; 10-14-2009 at 08:13 PM. Reason: better title
Old 10-03-2009, 08:34 PM
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Old 10-04-2009, 03:02 PM
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No one has any idea what this is
Old 10-06-2009, 11:58 AM
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Read this thread:

https://www.rx8club.com/series-i-trouble-shooting-95/power-steering-failure-107481/

I have the same problem. Losing DSC/ABS is nothing too big, the loss of power steering at speed is a rather disturbing thought.
Old 10-06-2009, 12:35 PM
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Check your fuse's, look for the stop fuse in particular it's a blue 15a fuse in the under hood fuse box. I had the same thing happen and that fuse was blown. I had a dead short in the wiring harness for the third brake light. It would only blow when the trunk was closed.

Here's a link to the thread that helped me: https://www.rx8club.com/showthread.p...highlight=stop
Old 10-06-2009, 02:28 PM
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which mazsport mod?
Old 10-07-2009, 08:21 AM
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It is the mazsport mod that turns your stock cooling fans on. ill check the fuse today and see it its blown or not. thanks guys.
Old 10-12-2009, 09:43 PM
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I checked all the fuses for dsc, the room, and the stop they were all fine. im going to try the reset but taking off the positive terminal for 40 seconds and see f that works. possibly the volts dropped to low
Old 10-12-2009, 09:47 PM
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also my cruise control has stopped working if that helps o the diagnosis
Old 10-14-2009, 12:36 PM
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this might be a stupid question bc I dont think you would have made this mistake (i hope) but are you certain you put the mazsport control modules in the right slots? check and make sure you replaced the fans and not the dsc modules
Old 10-14-2009, 07:26 PM
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hahaha no they are in the right spot, the problem didnt happen till about 200 miles after i put it on, im thinking it might be a voltage problem. But i might take it in to mazda to see what they say.
Old 10-14-2009, 07:41 PM
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check the wheel speed sensors. this may be unrelated to the fan mod. does your trac and abs work for the first few miles before the light turns off?
Old 10-14-2009, 08:05 PM
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yeah everything works fine for like a couple of miles or so, then it shuts off. how would i go about checking the wheel senors?
Old 10-15-2009, 10:05 AM
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Same thing happened to be except I lost power steering as well. Turned out my alt died and I had to drive 20 minutes home on just battery life.

Did you try the reset for traction control of turning the wheel full lock left then full lock right?
Old 10-16-2009, 12:11 PM
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the stability control on/off switch introduses a ground to the system, if I'm not mistaken. Is it posible you could have nicked a wire or have one rubbing through the insolation somewhere around where you did your mod instalations?
Old 10-17-2009, 01:55 PM
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im havng the same problem as shnka but i didnt make any mods for the problem, got my car back after a second motor replacement and the traction light came on after a few mles. i called the dealer and they said yea we noticed that problem but theres no way we can prove it wasnt happening before the swap. so i been driving since but wnters coming and i have slide sideways gon around corners a couple times so i would like some help f you fix your prob too
Old 10-18-2009, 02:27 PM
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yeah you have to ground the thermostat for the cooling mod, but i have checked it and it is making good connection. I don't believe any wires good have got cut its a pretty simple install.
Old 10-18-2009, 07:45 PM
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did you change your wheels recently?
Old 10-18-2009, 08:45 PM
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Lead foot doh!


umm... let me think ... we have had this problem before.
Old 10-18-2009, 08:50 PM
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i have this same problem right now. my speed sensor connector is broken. anyone know where i can get one for cheap?
Old 10-19-2009, 12:28 PM
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Nope stock wheels too. As much as I want to fix this problem, it has been a little fun never having traction control. Defently with the turbo and dropping temps
Old 10-19-2009, 06:50 PM
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wheel speed sensors ? this will scew up the traction ?
Old 10-20-2009, 09:20 AM
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Yeah idk how to check them.
Old 10-24-2009, 12:15 AM
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ya i had this happen once after tires rotated. wheel speed sensors, if your able to get a hand behind the wheel and this goes for all of them look for the wire going into a connector. should be 4 of them, 1 for each wheel. start with the fronts they are easy to spot and should give you an idea how to get to the rears. its real easy
Old 10-27-2009, 01:53 PM
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So i figured it out, its a voltage problem for me. When all the cooling fans kick on at idle the voltage is dropping to low witch is turning the traction control off. so I either need a good optima or a better alternator.


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