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Home > General > Engine system fault |
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GundogSD4 Member Since: 04 Dec 2019 Location: Wiltshire Posts: 478 |
Check the battery as FL2 are very sensitive to low voltage. 94 Disco 300 TDI Gone
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5th Apr 2020 1:44 pm |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3156 |
As the FL2 control modules depend upon one and other for signals, it can be confusing.
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5th Apr 2020 2:04 pm |
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Blitzer Member Since: 12 Feb 2012 Location: N. Ireland Posts: 122 |
Will do ta |
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5th Apr 2020 2:05 pm |
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Blitzer Member Since: 12 Feb 2012 Location: N. Ireland Posts: 122 |
I'll have to suss the obd unit to see if it records date/time, the error codes don't have any timing on the display its an autel ds708 pro - on loan from mate |
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5th Apr 2020 2:07 pm |
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Blitzer Member Since: 12 Feb 2012 Location: N. Ireland Posts: 122 |
Wasn't able to get dates/times against the codes.
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19th Apr 2020 5:05 pm |
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Blitzer Member Since: 12 Feb 2012 Location: N. Ireland Posts: 122 |
OK, I've had an auto spark look at the car, he has checked all the wiring and only thing he found was that the ecu had corrosion on the bottom edge.
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26th Jun 2020 11:39 pm |
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Badger51 Member Since: 01 Mar 2014 Location: Coffs Harbour Posts: 969 |
In your previous post you said checked battery voltage at 12.3v, that really is too low & most of those fault codes are ones that can show up with a failing battery.
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27th Jun 2020 8:15 am |
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Blitzer Member Since: 12 Feb 2012 Location: N. Ireland Posts: 122 |
The original battery was about 3 years old, I was getting readings around 12.3 - 12.5 if I remember correctly.
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27th Jun 2020 8:37 am |
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georgetina Member Since: 28 Jul 2012 Location: Wiltshire Posts: 65 |
I had a similar problem with my 2007 freelander. Found the problem to be a plug loose under the carpet on the paassenger side of the car. There is a bank of 3 plugs on the floor just in front of the front door. If you pull back the carpet you will see them. When a passenger enters the car he/she puts their foot on the carpet which pulls against the plugs. Mine just fell out when I moved the carpet. Two tie wraps later the problems solved. Worth a look. |
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27th Jun 2020 3:09 pm |
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Blitzer Member Since: 12 Feb 2012 Location: N. Ireland Posts: 122 |
I have a new battery arriving later today, so i'll put the ECU back in and give it a try.
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27th Jun 2020 4:59 pm |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3156 |
The extracts from the from the Repair Manual shown below seem to indicate that you have a loose connection on the CAN cct.
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27th Jun 2020 8:51 pm |
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Blitzer Member Since: 12 Feb 2012 Location: N. Ireland Posts: 122 |
Great info IanMetro - thank you, i'll add that to tomorrow checks |
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27th Jun 2020 9:56 pm |
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Blitzer Member Since: 12 Feb 2012 Location: N. Ireland Posts: 122 |
Here's where i'm at, rain has delayed play.
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28th Jun 2020 2:00 pm |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3156 |
It looks like you start by finding Connector C33N on the Medium Speed CAN. I can't spot anything in common with the other modules, but it may be an earthing problem, as this can cause havoc with Signalling Systems.
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28th Jun 2020 2:06 pm |
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