 | Home > Puma (Tdci) > ABS fault code |
 
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| macfrank Member Since: 05 Nov 2015 Location: somewhere in the north Posts: 1081   
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Found this in a Range Rover manual (?) "Return pump circuit voltage
below threshold" -> "Refer to the electrical circuit diagrams and check the ABS module for battery voltage at the fused supply circuit"  Click image to enlarge |
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6th Aug 2019 12:08pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
Wabco ABS only
Click image to enlarge 1. Make shore fuse link is ok 2 make shore earth ok driver seat box your ABS ECU unit is in here too 3 make shore return pump relay works 4 arrow shows feed back circuit for abs unit i.e. has relay closed and or is power supply + for return pump ABS ok Last edited by dorsetsmith on 6th Aug 2019 4:31pm. Edited 5 times in total |
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6th Aug 2019 12:55pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6610  
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Wabco or Bosch ABS?
1988 90 Td5 NAS soft top
2015 D90 XS SW |
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6th Aug 2019 1:03pm |
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| Pinky Member Since: 09 Jun 2016 Location: England Posts: 208  
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Click image to enlarge How do you tell the difference?nthere is nothing on it except Land Rover! Last edited by Pinky on 6th Aug 2019 1:16pm. Edited 1 time in total |
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6th Aug 2019 1:14pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6610
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Post a photo
Or you will have a ABS ECU under the seat if it’s Wabco. 1988 90 Td5 NAS soft top
2015 D90 XS SW |
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6th Aug 2019 1:15pm |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6610
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Bosch ABS system, so the above wiring diagrams don’t apply.
1988 90 Td5 NAS soft top
2015 D90 XS SW |
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6th Aug 2019 1:22pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
Bosch ABS wiring
Click image to enlarge Last edited by dorsetsmith on 6th Aug 2019 6:15pm. Edited 3 times in total |
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6th Aug 2019 1:55pm |
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| macfrank Member Since: 05 Nov 2015 Location: somewhere in the north Posts: 1081
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um, sorry
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6th Aug 2019 2:41pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
Bosch ABS has built in ECU check loom plug to start with
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6th Aug 2019 6:50pm |
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| Pinky Member Since: 09 Jun 2016 Location: England Posts: 208
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Thanks for that, is there any chance of a higher res image? I can’t read it when zoomed to a readable size! Sorry, I’m an old git with poor peepers! |
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6th Aug 2019 7:43pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
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6th Aug 2019 8:06pm |
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| Pinky Member Since: 09 Jun 2016 Location: England Posts: 208
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Thanks for all your help but my woes have become much worse!
Today whilst at a customers we had a sudden downpour, we stood undercover next to the Land Rover when suddenly the horn sounded as if I had tried to arm the alarm with a door open. It started and drove as normal but when I reached my yard I switched off, removed the keys and was just about to get out when there was a clicking noise from somewhere in the middle of the dash and all the dashboard lights started flashing! Then , my dashcam which is normally only on with the ignition switched on and off twice! Then, the indicators started flashing. This series of events went on for some time and I was worried about leaving my dog in it , fearing it may just burst into flames! I think I have a serious problem that I may not be able to afford to fix, I cannot afford for anyone to replace a multitude of expensive parts only to find “ that wasn’t it”! I certainly won’t be taking it to a main dealer and I’m not sure my Indy will find the problems but I will get them to investigate. Keep your eyes peeled, someone may get a very cheap extremely cherished 110  |
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6th Aug 2019 8:35pm |
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| NickMc Member Since: 01 Oct 2014 Location: Norn Iron Posts: 1628  
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I’d look at the aftermarket wiring that’s been done
 most of the oddball wiring faults I fix are aftermarket junk related
The clicking is probably a faulty relay. The black ford relays aren’t the most reliable in my opinion. The wiring in these is very simple compared to modern cars. Any auto electrician worth his salt should be able to fix it. Help him though write down what happens, what else is related, what the weather is like, what sort of journey you’d done etc- will help diagnose  |
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7th Aug 2019 11:29pm |
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| macfrank Member Since: 05 Nov 2015 Location: somewhere in the north Posts: 1081
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Despair Not!  I'm with NickMc. An auto electrician should be able to fix it.
Why? In my experience, electric/electronic problems that seem "catastrophic" to the user often have a very simple cause. In your case everything seems to go mad, but that might be caused by e.g. just an intermittend short cut (water??) or, as said, a faulty relay. One tiny fault may then trigger other systems that don't like being triggered that way (such as the alarm). When looking for faults, it is important to focus on / find the main cause in a systematic manner (or just by knowing which parts usually fail) without being guided by emotionally stressful symptoms, such as all the lights going bonkers
Or to cut it short |
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9th Aug 2019 11:08am |
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