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ED ABS fault 

 

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 Post subject: ED ABS fault
Posted: Tue Apr 28, 2009 2:07 pm 
Fordmods Newbie
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Joined: 28th Apr 2009

Location: Whangarei
New Zealand

Hi all
I have "inherited" an ED falcon with and ABS fault. Someone else has "been there" so I am a bit concerned at what I will find. The car arrived with a replacement ABS computer in a box and I was told that was the fault. I plugged it in and the light stays on. I tried bridging the diagnosis wires and nothing happens, light stays on. I would be grateful for any information, especially ABS ECU pinouts and or wiring diagram. I believe the ABS relay is the one closest to the engine under the coolant reservoir, please correct me if I am wrong. Also which fuse/s does the ABS use and where are they located. Once again any help would be appreciated.
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 Post subject: Re: ED ABS fault
Posted: Tue Apr 28, 2009 7:47 pm 
Getting Side Ways
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Age: 34

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Joined: 21st Nov 2005

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Ride: 1999 AU futura

Location: griffith
NSW, Australia

I would check each wheel sensor and also check the cable from the wheel sensors for breakage..

Also remove the front hubs and also check to see if you have the right tone wheel inside the disc.ED is different to EF/EL i have come across this on an EF having ED ABS discs on the front.

 

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 Post subject: Re: ED ABS fault
Posted: Wed Apr 29, 2009 12:07 pm 
Fordmods Newbie
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Joined: 28th Apr 2009

Location: Whangarei
New Zealand

Hi All
I have solved my problem. The people that had "been there before" had left the ABS pump motor relay off. When I fitted the new relay the light still stayed on however when I was testing pinouts from the ECU plug I noticed on the wiring diagram (I found one) ECU case earth listed so I grounded the case and everything works. (I had only plugged in the replacement ECU and not bolted it to the body in case it was no good). I am used to working on Japanese systems where a case ground is never used or is done by a wire going to a ground point not by a mounting bolt.
The moral of the story, Falcon ABS ECU requires a case ground!!.
Cheers.
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 Post subject: Re: ED ABS fault
Posted: Wed Apr 29, 2009 1:38 pm 
Fordmods Newbie
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Joined: 28th Apr 2009

Location: Whangarei
New Zealand

Hi All
I spoke to soon, drove the car and within 15 or 20 meters the light came on again.
I have checked the wheel sensors at the ECU plug with a scope and all give the same pattern.
I have check all pinouts and all seem to be in order.
I can not get flash codes by bridging the diagnostic plug (3 from left top, and bottom row).
As shown in this post http://www.fordmods.com/documents.php?d=2
All this does is put the light out for a while.
I am beginning to suspect a faulty or incorrect ECU but I will get a scan tool hooked up before I confirm this. I guess it could be an incorrect tone wheel or wheels as I don't know its history.
Any other suggestions would be appreciated.
Cheers.
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 Post subject: Re: ED ABS fault
Posted: Fri May 01, 2009 11:39 pm 
Oompa Loompa
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Age: 31

Posts: 49

Joined: 2nd Mar 2008

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Ride: Falcon EF XR8

Location: Perth
WA, Australia

id be interested in hearing if you find the problem as my check abs light is also on, i havent got around to checking it out yet but.
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 Post subject: Re: ED ABS fault
Posted: Sun Oct 17, 2010 7:29 pm 
Fordmods Newbie
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Age: 16

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Joined: 17th Oct 2010

Ride: ED Fairmont / Subaru Outback

Location: Busselton
WA, Australia

Yep, mine does the same, has anyone done something to fix it? Mine comes on after going forward for a few meters, then it lights up.

Cheers
Oz 8-)
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 Post subject: Re: ED ABS fault
Posted: Thu Nov 04, 2010 10:13 am 
Fordmods Newbie
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Age: 29

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Joined: 2nd Nov 2010

Ride: nc ll fairlane

Location: casino
NSW, Australia

i would think it would be related to the wheel sensors not computer as it moves forward before it lights up i reckon the wheel sensors are clogged up have seen this in Au's especially get some brake clean get in there and spray the heck out of it
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