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Topic: ABS light not working (Read 1774 times) |
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hullad
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ABS light not working
« on: Mar 17th, 2008, 2:44pm » |
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well my new but old scorpio 2.0 auto ultima failed it mot on the abs light not working on the dash, we took the the dash apart to find that the led light was missing!!!!!!!
is this a common fault or has someone moved it out there was a little bit of the build still in situ
thanks
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hullad
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Re: ABS light not working
« Reply #2 on: Mar 17th, 2008, 2:57pm » |
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oh dear that can be expensive then
ps the link had nothing on
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scorpio_man
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Ford Kuga awd
Posts: 5654
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Re: ABS light not working
« Reply #3 on: Mar 17th, 2008, 3:03pm » |
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on Mar 17th, 2008, 2:57pm, hullad wrote:oh dear that can be expensive then
ps the link had nothing on |
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not all the time. could be the connections need a clean. could be the controller.
all the topic are down the side in the above link.
hth
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Chieftain
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Mechanically Challenged with a 24V Cosworth
Posts: 491
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Re: ABS light not working
« Reply #4 on: Mar 18th, 2008, 8:24am » |
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on Mar 17th, 2008, 2:57pm, hullad wrote:oh dear that can be expensive then
ps the link had nothing on |
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Just tried the link all is there, look at the menu on the right hand side  fault may be something simple. When I bought my Cossie the ABS/TC lights came on over 15mph, fault code was ABS pump, changed with used one and no problems now. Garage price £1000+ including pump, my price £50 all in.
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Bob
if it ain't broke fix it and it will be
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hullad
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Re: ABS light not working
« Reply #5 on: Mar 18th, 2008, 10:24pm » |
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so were dose it say the fault code then?
is it on the dash or do you have to put it on a computer?
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TiberiuS
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Ex. 1996 2.3 Ultima - RIP P789 KHJ
Posts: 2257
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Re: ABS light not working
« Reply #6 on: Mar 18th, 2008, 11:32pm » |
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Ahh yes, the good old 'remove the lamp' MOT fix. I've been there, mucho fun to find an empty bulb holder when you've just spent an hour ripping the dash to bits...
Most likely the ABS ECU if it's the earlier Teves type, it's normally that bit that's at fault. The pump unit is pretty reliable, it's the ECU underneath that fails. But try the cheaper stuff first before you go for a new ECU. And no, you don't want to know the cost of a new ECU/pump unit 
Normally when the light comes on at 15mph it's a fault in the unit, if the light is on all the time then it's likely a dead wheel sensor or something. AFAIK (it's a while since I did it), you can't read the ABS codes through the OBD port, you need a reader that's compatible with the ABS, some garages will read ABS codes.
Either drop in another one or get yours fixed for (around £100, probably cheaper to get another 2nd hand and take a chance).
Regards, Bruce.
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Bruce - '07 Jaguar XKR coupe, '95 Jaguar XJ Sport 4.0, '82 Ford Capri 2.0 Ghia, '15 Honda Civic (sloooooww..)
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Tompion
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1997 2.3 Ultima estate.
Posts: 2918
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Re: ABS light not working
« Reply #7 on: Mar 19th, 2008, 12:38am » |
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on Mar 18th, 2008, 11:32pm, TiberiuS wrote:you can't read the ABS codes through the OBD port, you need a reader that's compatible with the ABS,
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You can read the ABS codes through the OBD port, with the right lead.
Admittedly it’s unlikely the ABS works as the light has been doctored, but have you tested it?
Find somewhere you can safely brake hard and see if the wheels lock or if the ABS works you’ll get a pulsing through the brake pedal.
Dave
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ABS multiplug wheel sensor pins MK IV or MK 20
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hullad
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Re: ABS light not working
« Reply #8 on: Mar 19th, 2008, 12:38pm » |
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well i have got a second hand set of dials so hopefully this will sort the problem out!!!!!!!
all i need it to do is the light to go off after 3 seconds to pass the mot
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Tompion
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1997 2.3 Ultima estate.
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Re: ABS light not working
« Reply #9 on: Mar 19th, 2008, 1:36pm » |
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I suppose my previous post was open to interpretation, what I meant was the light has probably been doctored because the ABS doesn't work. If the ABS isn't working, I doubt (but don't know) that fixing the light will make any difference. That is to say, if the ABS doesn’t work now I don’t think it will work when you fix the light.
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ABS multiplug wheel sensor pins MK IV or MK 20
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TiberiuS
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Ex. 1996 2.3 Ultima - RIP P789 KHJ
Posts: 2257
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Re: ABS light not working
« Reply #10 on: Mar 20th, 2008, 10:04am » |
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on Mar 19th, 2008, 12:38am, Tompion wrote:
You can read the ABS codes through the OBD port, with the right lead. |
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Hi Dave. That's strange, I can't pull ABS codes with my Elmscan, tried a couple of cars with Teves systems now
Do you just pull them along with regular fault codes or is there something else to it?
Regards, Bruce.
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Bruce - '07 Jaguar XKR coupe, '95 Jaguar XJ Sport 4.0, '82 Ford Capri 2.0 Ghia, '15 Honda Civic (sloooooww..)
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scorpio_man
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Ford Kuga awd
Posts: 5654
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Re: ABS light not working
« Reply #11 on: Mar 20th, 2008, 10:44am » |
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hi there
the abs is on iso protocol. using VE from alex pepper, you go into enhanced and get/clear codes from there.
hth
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hullad
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Re: ABS light not working
« Reply #12 on: Mar 21st, 2008, 2:38pm » |
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well got the light working it comes on and goes off like it should do.
but it comes back on when driving above 15 mph i hope it will pass the mot!!!!
any way the rear break pads do you know if they have sensors on for wear?
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TiberiuS
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Ex. 1996 2.3 Ultima - RIP P789 KHJ
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Re: ABS light not working
« Reply #14 on: Mar 22nd, 2008, 1:59am » |
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on Mar 20th, 2008, 10:44am, scorpio_man wrote:hi there
the abs is on iso protocol. using VE from alex pepper, you go into enhanced and get/clear codes from there.
hth |
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Cheers Andrew. With the Elmscan it gives you a list of ECUs detected and asks you to choose which to connect to, like maybe engine and transmission ECUs. I remember with the 24v I looked at a few months back (had the laptop with me so tried the OBD), it gave a DTC for immobilser input or something and all the live sensor data was there but nothing I could see about ABS.
Regards, Bruce.
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Bruce - '07 Jaguar XKR coupe, '95 Jaguar XJ Sport 4.0, '82 Ford Capri 2.0 Ghia, '15 Honda Civic (sloooooww..)
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joe-satch
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joe satriani is the best guitarist in the world.
Posts: 1161
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Re: ABS light not working
« Reply #15 on: Mar 22nd, 2008, 10:19am » |
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hullad, how did you get the abs light to work on the instrument cluster..as my daughters light dont come on in her ultima.im going to have a look to see if theres a relay that may have been removed...both fuses are ok and intact.thank you regards den. 
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hullad
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Re: ABS light not working
« Reply #16 on: Mar 22nd, 2008, 3:41pm » |
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hi i bought a new cluster well 2nd hand one as the light was missing!!!!! i have found out the reason why it was missing because when you hit 15 mph the light comes on and stays on hth
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joe-satch
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Re: ABS light not working
« Reply #17 on: Mar 22nd, 2008, 6:14pm » |
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hi hullad...yes i see....could be a wheel sensor playing up causing the light to come on at speeds of 15mph and above....the light in my daughters ultima dont come on when the ignition is switched on....im going to look at some fuses tomorrow..and if that fails im going to have to take out the instrument cluster..thing is it dont look as though anything has ever been touched with the wood effect suround or the clocks...will find out soon enough....good luck in finding your problem...regards den. .
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MrWalker
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Re: ABS light not working
« Reply #18 on: Apr 7th, 2008, 4:13am » |
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Hi.
Got the same prob. with my 2.3 Ghia (9 .
(is there some bulbs inside the cluster) have changed all bulbs I can find (10 bulbs).
Got no ABS-Light. Pleas help.
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hullad
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Re: ABS light not working
« Reply #19 on: Apr 7th, 2008, 9:48am » |
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hi
the abs on inside the cluster itself you have to take it all apart but beware the abs light is not changable it is a lcd light and is part of the unit itself so you will need to by a new cluster i got mine for 45 quid from a place in manchester
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