 | Home > Td5 > TD5 idle mode when wet?? |
 
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| WorcsTD5 Member Since: 01 Feb 2014 Location: Worcester Posts: 23   
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Makes sense. That's how I was thinking of doing it 
Out of interest, where was the water getting in on the original loom? was it damaged and if so what's to stop the new cable from suffering similar damage in the future? Thanks once again for all your help (and patience)  |
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4th Feb 2014 7:49am |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5740 
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The loom rubs though each other/conduit as the loom goes over the transfer box, APPARENTLY. I never looked or found any sign of this. The conduit holds the water in for a while causing the problems. The new loom is run in a different type of cable, and run in a different location so won't happen again.
But with mine I found that someone, previous to me had fitted a boost box thing, and cut into the loom, then removed boost box just leaving the cables behind the dash unfinished shorting out when damp. Although I have done this repair now a couple of times for other Td5 who have suffered the damaged loom. Andy |
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4th Feb 2014 8:14am |
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| Razler Member Since: 16 Nov 2013 Location: NORTHUMBERLAND Posts: 50 
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No input into this, just to say cheers I had this problem the other day and driving 3miles back in idle mode was not fun!
Hope this will fix it! |
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4th Feb 2014 8:15pm |
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| DCFerret Member Since: 23 Jan 2014 Location: Norfolk Posts: 8  
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I found when mine done this trick if I sat there for 5-10 minutes with the engine still running it would usually clear itself. Hopefully now the offending harness has been bypassed it'll be no more trouble in that area
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4th Feb 2014 10:32pm |
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| WorcsTD5 Member Since: 01 Feb 2014 Location: Worcester Posts: 23
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Just about to source all the kit and give this a go  I've had a thought about keeping the new loom inside the cabin. My thinking being that if the cab fills with water, going into "Limp Mode" will be the least of my problems
Another question has arisen...Does the original loom just contain the ECU to Throttle cables, then? If the loom is getting damaged and allowing water ingress are any other circuits affected? |
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5th Feb 2014 6:44pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5740
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Where ever you run the new loom does not matter, as long as wires are not damaged water will have no effect. I just went for the most direct, out underseat box with original loom, then along drivers chassis rail (with fuel lines) then up bulkhead, and in behind binnacle.
The loom contains many other cables, so I assume they could also be getting damaged. I don't know if this has any bad effects, or if other system can deal with a misreading, but the TPS system can not deal with misreadings. Again it's not the water in the conduit that is a problem, it's the chaffed wires, with the water. I had thought about injecting the loom with silicon sealer, so there would be movement to cause chaffing, no room for water, and would set whilst in place. But re loom worked for over a year, and have now sold it 
Andy |
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5th Feb 2014 7:46pm |
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| WorcsTD5 Member Since: 01 Feb 2014 Location: Worcester Posts: 23
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You sir, are a legend!
Many thanks for all the helpful advice you've given. Really appreciate it |
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5th Feb 2014 8:21pm |
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| MadTom Member Since: 10 Sep 2013 Location: Olomouc Posts: 628  
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Applying a silicone into the cable loom is nice idea, until you need to make some repair on the loom. With cables siliconed to each other, you will not be able separate one and have to replace the whole loom. I have removed the outer tube and applyed some selfadhesive tape around the loom, to make the loom more rigid. Placed more than one layer. Then replaced the potective tube. No more problem with chafing individual cables. And this is not only problem of LR, but lot of cars. "Drobek" = The Small One - Discovery 2, "Blufínek" = The Blue Thing - Defender 130, and for me at least Ford Mondeo
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6th Feb 2014 9:04am |
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| Razler Member Since: 16 Nov 2013 Location: NORTHUMBERLAND Posts: 50
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Thanks again Landy Andy.. Job done!
I removed gauge binnacle and speaker. Cut throttle pedal loom where it goes into main loom accessible through speaker hole. Routed 8mm trailer lights cable through main loom grommet in front of binnacle, down bulkhead, on top of fuel pipes then looped in through forward seat box grommet. Picked out wires and cut each to give as much wire as possible. Was confused at first regarding 7 wires at pedal connector and only 5 pins at ECU connector: pin 26 feeds both black/yellow at pedal and pin 14 feeds both white/purple at pedal. , I also continuity tested after connections were made between pins on ECU connector (connector removed from ECU) and pedal connector (removed from pedal) just for piece of mind 
Cheers again! |
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8th Feb 2014 6:45pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5740
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You off to play in the floods now?
Hope it has sorted the problem
Andy |
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9th Feb 2014 8:47am |
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| WorcsTD5 Member Since: 01 Feb 2014 Location: Worcester Posts: 23
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So for those of us who are hard of understanding  presumably you joined two cores of the trailer cable together to connect to Pins 14 & 26 at the ECU and then connected them to the relevant feeds at the pedal...and the fact that both black/yellow are earth and both white/purple are 5V...means that it doesn't matter which of the 2 trailer cores are used for the relevant feed? |
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9th Feb 2014 4:03pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5740
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You need to cut five cables as they leave the black ECM plug. PIN numbers 12, 14, 20 ,26, 36. Then find loom above throttle assembly and cut all seven cables in the loom, it is just a case of running a new loom between the two cut looms. It requires two of the cables. ECM Pin 14 and 26 to doubled up to equal the seven at the pedal assembly.
Hope that makes sense Andy |
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9th Feb 2014 4:17pm |
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| WorcsTD5 Member Since: 01 Feb 2014 Location: Worcester Posts: 23
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It does!
just need someone to hold my hand |
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9th Feb 2014 4:19pm |
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| landy andy Member Since: 15 Feb 2009 Location: Ware, Herts Posts: 5740
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As I mentioned above, I was really concerned about doing it at the time, but eventually just had too, and when I did it was actually quite simple. Just ask if you have any queries.
Andy |
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9th Feb 2014 4:25pm |
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