Abs Lamp And Traction Control Light On - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 10-25-2004, 04:32 AM
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Hello,

I own a 323i 97 SE, the ABS light and Traction Control light stays on all the time on the Dash. The ABS and Traction control now does not work.

I take it this is probably a ABS sensor that has gone, does anyone know where it is and which one??

Any advice, is much appreciated.

cheers

Simon
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#2 (permalink) Old 10-25-2004, 10:46 AM
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bitcore will become famous soon enough bitcore will become famous soon enough
www.bavauto.com will have some nice aftermarket parts for cheep.
There's always the dealership, but they charge astronomical prices for silly parts.

Check your fuses and relays, they can cause the lights to come on too.


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#3 (permalink) Old 10-25-2004, 06:00 PM
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I had this problem on my 94 325is. I checked all the sensors and the resistance was fine. Cleaned them (and broke one taking it out - OUCH!!). Put anti-sieze on them when I put them back in. Finally I checked the signals to the ABS computer, no juice - it turned out to be the red ABS relay (near drivers front fender under hood, I think.
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#4 (permalink) Old 10-25-2004, 11:20 PM
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Quote:
Originally posted by mr_fixit@Oct 25 2004, 04:00 PM
I had this problem on my 94 325is. I checked all the sensors and the resistance was fine. Cleaned them (and broke one taking it out - OUCH!!). Put anti-sieze on them when I put them back in. Finally I checked the signals to the ABS computer, no juice - it turned out to be the red ABS relay (near drivers front fender under hood, I think.
[snapback]218329[/snapback]
I don't have a Bentley manual yet...where are these sensors (on the hubs?) and what's the process for taking them off? Do I just unbolt them and spray the connections with brake cleaner? What do you recommend? And are all the relays I need to check under the hood? I'd like to take care of this, but probably won't pick up a Bentley until Christmas

Thanks for any help.

Eric

<img src='http://home.comcast.net/~eric_d_johnson/sig_pic.jpg' border='0' alt='user posted image' />
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#5 (permalink) Old 10-26-2004, 12:12 AM
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Hi! I had the exact same problem, I changed ABS sensor and the problem was gone.
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#6 (permalink) Old 10-26-2004, 12:53 AM
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Quote:
Originally posted by uiuc240+Oct 25 2004, 09:20 PM--><div class='quotetop'>QUOTE(uiuc240 @ Oct 25 2004, 09:20 PM)</div><div class='quotemain'><!--QuoteBegin-mr_fixit@Oct 25 2004, 04:00 PM
I had this problem on my 94 325is.* I checked all the sensors and the resistance was fine.* Cleaned them (and broke one taking it out - OUCH!!).* Put anti-sieze on them when I put them back in.* Finally I checked the signals to the ABS computer, no juice - it turned out to be the red ABS relay (near drivers front fender under hood, I think.
[snapback]218329[/snapback]
I don't have a Bentley manual yet...where are these sensors (on the hubs?) and what's the process for taking them off? Do I just unbolt them and spray the connections with brake cleaner? What do you recommend? And are all the relays I need to check under the hood? I'd like to take care of this, but probably won't pick up a Bentley until Christmas

Thanks for any help.

Eric
[snapback]218578[/snapback]

[/b][/quote]

Sensors are cylinders held in by single star bit bolt - a white? plastic snap coupling connects the wire to the harness (in a box in the wheel well behind the tire) - disconnect and check resistance - around 1000k? I think +- a 100k or so. They kind of rust in place - so I wouldn't remove them until you exhaust all other possibities. The ABS relay is bright red and near the left front wheel well under the hood and says ABS on the plastic cover - this sounds like the most likely problem
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