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Topic: Assistance with ABS fault required (Read 395 times) |
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Mummra
Full Member
Mummra-the-ever -living
 
Posts: 286
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Assistance with ABS fault required
« on: May 25th, 2006, 11:58pm » |
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Hi I have a problem with my ABS light staying on all the time. I have checked all the wiring, which seems to be ok and meters out alright. I have checked all sensors and altough they meter out OK, one sensor had a crack in the casing. I removed the sensor and partly immersed it in water for a while so that water could enter the crack and the resistance dropped right down to half it's previous value. I have replaced that sensor, but have no way of knowing if the fault is fixed as I believe the code can only be cleared by a diagnostic system.
Which is the reason for my post, is there anybody in the Northants/Bucks/Oxon area with diagnostics I could borrow, or bring my car to you, to clear the code and check the ABS.
Many Thanks
Dave
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Kjetil S
Senior Member
2001 BMW 520iat
Posts: 1419
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Re: Assistance with ABS fault required
« Reply #1 on: May 26th, 2006, 12:17am » |
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If I remember correctly, the fault code _should_ clear itself. If it doesn't, it should go away if you disconnect the battery for a moment. (Not sure how long, exactly, it takes to clear the error code memory)
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Mummra
Full Member
Mummra-the-ever -living
Posts: 286
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Re: Assistance with ABS fault required
« Reply #2 on: May 26th, 2006, 5:54pm » |
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According to the ABS fault finding guide, with the Mk20 ABS system (which is the one I have) the always on warning light can only be reset by diagnostics, and no amount of battery disconnection will reset it, apparently.
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Kjetil S
Senior Member
2001 BMW 520iat
Posts: 1419
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Re: Assistance with ABS fault required
« Reply #3 on: May 26th, 2006, 6:50pm » |
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Seems like my comment was only valid on the early version of the ABS system then. My bad.
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Mummra
Full Member
Mummra-the-ever -living
Posts: 286
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Re: Assistance with ABS fault required
« Reply #4 on: May 27th, 2006, 4:04pm » |
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Actually looks as though I was wrong, battery had died and after charging it up I noticed the light had gone out, so problem solved.
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