Member Since: 01 Feb 2009
Location: Heysham Lancs
Posts: 285
Faulty Instrument Cluster
After almost a year of intermittent starting issues, handbrake warning lights, and various visits to both main dealers and Independants I finally contacted Flack on this forum who correctly diagnosed the problem as a faulty I pack.
So after fitting a new one I've finally got my car back to normal. The main dealer told me they've fitted a few with similar problems and I just wanted to post a fresh message with the final result in case any other owners are having similar problems, if anyone is please check out my previous posts and pm me if I can help in any way.
This forum is so helpful and there are some very knowledgable owners on here. Anyways thank you to everyone who responded to my posts and especially to Flack
2nd Dec 2013 10:47 pm
sam lr3
Member Since: 01 Jan 2016
Location: louisville, kentucky
Posts: 9
Lot of alarms on the instrument cluster
Hi
I have a lr3 2009 with a lot of alarm showing up
Now it will not start and the flaserser will be on as soon as I turn the key
Member Since: 01 Feb 2009
Location: Heysham Lancs
Posts: 285
Hi Sam, the main problem mine had was on turning the key all the lights lit up as normal and then either it started and operated perfectly or absolutely nothing. After a while I struggled to get it to start at all so went down the route of checking earths, new battery and a new ignition switch, none of these made any difference. I managed to find a thread somewhere on here with a member with exactly the same issues and in his case it was the connector at the back of the instrument cluster, however on mine I had this checked and it wasn't that, but a great guy on here called Flack found a reading saying my I pack was corrupt so I took the plunge and got a new I pack and had the main dealer fit and programme it....all was cured! I don't think it's a really common issue and mines been OK for over a year now fingers crossed.
The main issues associated with this where non starting and doors not locking. D3 seems to suffer from bad earth connections in the front near side wing which might be different in USA and also from the air compressor to the EPB. I'm no expert Sam but the first thing I'd do if I were you is get it fault read and see if any codes come up, there are plenty on here who might be able to give better advice, hope I've helped a little.
9th Jan 2016 2:56 pm
Robbie
Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932
Welcome Sam,
If your flashers are coming on when you turn the key you have a CANBUS problem - there is no doubt about this.
CANBUS problems can be caused by any of the individual units on the databus (this includes the instrument pack, but there are lots of others) or a wiring problem with twisted pairs of wires that link all the CANBUS systems together.
CANBUS wiring problems are becoming more frequent on the older vehicles but tend to be confined to the connectors in the front wheel arch, behind the plastic liner. Another cause is water ingress on the central junction box (CJB, where all the interior fuses live), so worth checking for moisture too.
Good luck.
Land Rover - Turning Drivers into Mechanics Since 1948
Member Since: 01 Jan 2016
Location: louisville, kentucky
Posts: 9
Thanks
I have the same issues
Doors will not lock and not start. It used to start once in while lately it will not start
I did change the battery, break light switch and check all the grounds
I ordered a code reader, should get it this weekend.
I will start reading the coded
9th Jan 2016 3:25 pm
Robbie
Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932
The diagnostic tool may help, but do not take what it says at face value. With a CANBUS issue lots of different systems will be reporting failures or not able to report anything at all.
Land Rover - Turning Drivers into Mechanics Since 1948
Member Since: 01 Jan 2016
Location: louisville, kentucky
Posts: 9
How do I isolate the whic module or the wiring had the issue
I did check the resistant between the pins for high can and medium can at OBD2 outlet
I am getting the 120 ohms
How ever I am getting very low voltage reading for the medium bus pins
And pin 16 do not show the same voltage as the battery. It is at least 3-4 VoLTE lower
Again thanks for everybody for responses
9th Jan 2016 3:43 pm
Robbie
Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932
Ok Sam, that is helpful.
Pin 16 takes its power from the CJB, so that suggests that the CJB could be the root cause. Check the voltage at the diagnostic port fuse (Fuse 63, 10 Amp) just in case it is the wiring from the CJB to the port itself, but I suspect you will find a degraded voltage at the fuse too.
Whilst you are inspecting the area around the CJB please check the condition of the grounds which are on bolted studs below the CJB, behind the plastic trim.
Land Rover - Turning Drivers into Mechanics Since 1948
Last edited by Robbie on 9th Jan 2016 3:56 pm. Edited 1 time in total
9th Jan 2016 3:55 pm
Glassman D3 Decade
Member Since: 01 Feb 2009
Location: Heysham Lancs
Posts: 285
Robbies point about the Canbus might be spot on, when I had the issue it didn't effect indicator flashers just door locks clicking, the I pack does seem to be a rarer issue. I cured the epb yellow light with an overlay cable and new compressor but this issue was entirely seperate to the non starting one.
9th Jan 2016 3:56 pm
Robbie
Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932
I'm off to watch the new Star Wars in a moment, so happy hunting with your multimeter and good luck.
Land Rover - Turning Drivers into Mechanics Since 1948
Member Since: 01 Jan 2016
Location: louisville, kentucky
Posts: 9
Thanks Robbie
I will post my findings later.
By the way , I watched Star Wars few weeks ago. It is really good. Enjoy
9th Jan 2016 4:06 pm
sam lr3
Member Since: 01 Jan 2016
Location: louisville, kentucky
Posts: 9
After few hours of trouble shoot here are my findings
Obd2 pin 16 voltage is fine. Get the same as the battery
However medium bus voltage is 1.63v is this correct ?
High can buss voltage is 2.3v
I start reading the codes via the code reader
When I go to instrument pack , there are following
Break light switch circuit
Medium bus communication ......
I will do more diagnostics tomorrow
9th Jan 2016 10:47 pm
sam lr3
Member Since: 01 Jan 2016
Location: louisville, kentucky
Posts: 9
After spending a lot of time with my multimeter I did not find any wiring issues
I took the IP part just to visual inspect. Circuit board was moving lot. I did not know it was supposed to do that or not. However I put two plastic clips to hold it in place
Now all my lights are gone. Truck is cranking but will not start
Looks like fuel is not getting
Battery is at 14.2 v
Any ideas
13th Jan 2016 1:03 am
motolite
Member Since: 18 Mar 2013
Location: Sydney
Posts: 931
No expert, but have you looked at the low pressure fuel pump. Few threads if you do a search
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