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Joe90



Member Since: 29 Apr 2010
Location: Hampshire
Posts: 6397

England 
[SOLVED] No Screen (non touch), No radio, No indicators

Not had a chance to dive in to the fuses yet, but thought I would put this out there.

Driving home from work with radio on, screen went funny (went to Selection Menu but with not all items showing), then blank for a while. This continued for @ 20 minutes (during which I pressed and twiddled knobs but got no response), until it just went blank, and the orange light went off. The radio continued to work.

I then noticed that the indicator lights on the binnacle (and the tick tock) weren't working. I could see the front indicators were working from reflections off the van in front.

Arrived home, engine running, checked all indicators OK on outside, just nothing inside.

Switched off engine, switched on again, screen dead, no radio this time.

Due to some significant rain showers today, checked LHR boot, everything appeared dry as a bone, BM54 warm to touch, Video unit not so. (now have hybrid digital TV unit).

So indicators related to screen/radio issue? If so what, if not what issues do I possibly have? .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember Wink
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999


Last edited by Joe90 on 20th Jul 2017 4:28pm. Edited 1 time in total

Post #386451 11th May 2016 4:40pm
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stan
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weird one Tim...could it be a slipping alternator belt and low battery thus not giving all the ecu's the power they need. ... - .- -.




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Post #386456 11th May 2016 4:45pm
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Haylands



Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7879

England 2014 Range Rover Autobiography SDV8 Loire Blue

Sorry to say that's what happened to mine when I parked it in that river.... radio died just like yours and the indicators did the same thing... and that was definitely water somewhere.... Rolling Eyes

Have a look at the BECM Tim, under the passenger seat, or the LCM, drivers footwell...

I've just had my front screen replaced as it was leaking, that makes behind the dash, very wet, maybe yours is similar....

Sorry not being much help, just some free bit's to check first.... Thumbs Up Pete

__________________________________________________
2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Post #386459 11th May 2016 4:53pm
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brian1951



Member Since: 07 Nov 2015
Location: Salop
Posts: 275

2012 Range Rover Westminster 4.4 V8 Orkney Grey

Same happened to mine, it was water ingress in the rear Big Cry

Post #386460 11th May 2016 4:53pm
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Joe90



Member Since: 29 Apr 2010
Location: Hampshire
Posts: 6397

England 

Battery at a reasonable 12.7V, engine running 14+V .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember Wink
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999

Post #386462 11th May 2016 5:00pm
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Joe90



Member Since: 29 Apr 2010
Location: Hampshire
Posts: 6397

England 

Yes Pete, given it is dry at the rear, does point to LCM/BECM. Methinks the LCM most likely culprit....

One of these? http://www.ebay.co.uk/itm/2002-2009-RANGE-...Sw3mpXK0qm

Will have to leave it til the weekend though Thumbs Up .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember Wink
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999


Last edited by Joe90 on 11th May 2016 5:08pm. Edited 1 time in total

Post #386463 11th May 2016 5:02pm
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Haylands



Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7879

England 2014 Range Rover Autobiography SDV8 Loire Blue

Still weird it's the radio as well....

If you find water marks inside an ECU it is the minerals in the water, drying on the circuit board that causes shorts across the board and problems, you can rinse the board in distilled water to clean the deposits off, sometimes even electrical cleaner won't remove the minerals but water will....

Blow dry with an airline and leave in the airing cupboard works well.... saved all mine bar the radio which had been wet before as it was green inside and I finished it off....

Good luck Thumbs Up Pete

__________________________________________________
2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Post #386465 11th May 2016 5:08pm
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stan
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isnt there an ecu in the passenger footwell that can get wet? ... - .- -.




click link for ,

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Post #386471 11th May 2016 5:20pm
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Haylands



Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7879

England 2014 Range Rover Autobiography SDV8 Loire Blue

Yeah, the headlight leveling... funnily enough Craig noticed mine worked when I started fatty and recons it's only about the third one he's ever seen that still works, he says most weren't even fitted with the ECU.... Thumbs Up Pete

__________________________________________________
2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Post #386482 11th May 2016 5:31pm
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Joe90



Member Since: 29 Apr 2010
Location: Hampshire
Posts: 6397

England 

Mine works too (or was working!) Smile

I'll get into the footwell and see what is what. I have heard some "gurgling" from the A post once I get up past 60, but this could just be wind noise... .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember Wink
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999

Post #386517 11th May 2016 6:20pm
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Joe90



Member Since: 29 Apr 2010
Location: Hampshire
Posts: 6397

England 

"Pick me! Pick me!" shouted the Range Rover as I stepped out of the front door this morning. "No", I replied sternly, "You let me down yesterday and stopped working properly, I can't trust you in case you get worse. Anyway it is going to be a nice day, so I'm taking the Audi." The Range Rover frowned and shrunk back into its parking space on the drive.

As usual the Audi behaved impeccably, and it was great to have the top down to and from work, enjoying the fresh air and the sunshine.

On arriving home, the Range Rover was snoozing in the sunshine, it lifted one xenon light cap and asked drearily, "Have a good day at work?" "Yes, thanks" I replied, "I'll be out to see you in a minute." Popped inside for a cuppa and a hello with everyone, then grabbed the keys and went back out onto the drive. The Range Rover perked up and shaped up, like a cat awaiting a stroke. I unlocked the car and turned the ignition key to position II. Screen comes on! Radio comes on!. Pulled the indicator stalk down, green flashing light and the tell-tale tick tock!

Switched off and locked up. "Don't do it again" I said. "Don't do it again", said the Range Rover.
.
.
.
.
.
So I guess I'll have to monitor for symptoms / triggers. Will probably still have a look at the BECM/LCM and check out the radio Smile .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember Wink
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999

Post #386721 12th May 2016 5:22pm
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stan
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i like nice ending stories. Thumbs Up ... - .- -.




click link for ,

FORUM WIKI

HOW TO Ǝꓕ∀ꓕOꓤ PICS

workshop manual downloads are in our wiki

.

Post #386726 12th May 2016 6:04pm
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Haylands



Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7879

England 2014 Range Rover Autobiography SDV8 Loire Blue

Joe90 wrote:
As usual the Audi behaved impeccably,


Tim, wish ours had, SWMBO was down in Kent at the weekend and the Mechatronic unit for the DSG in her TT thinks it's a Range Rover and spat it's dummy out...

Green Flag have taken 4 days to get it home (complaint in progress) and I'll be delving into it's gearbox tomorrow, apparently you can just get enough room to get the unit out the box and leave most of it in the car.... we'll see.... Big Cry Big Cry

Glad yours has fixed itself... Thumbs Up

I use this stuff for waterproofing the Rangie's electrics... it's not cheap but seems to work very well, have a good nose round and squirt lots of bits.... Rolling Eyes Rolling Eyes

http://www.corrosionx.com/corrosionx.html Pete

__________________________________________________
2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Post #386729 12th May 2016 6:32pm
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Joe90



Member Since: 29 Apr 2010
Location: Hampshire
Posts: 6397

England 

UPDATE

Well it did it again yesterday, again after a downpour. Must be water somewhere. Also noticed that the parking sensors have also stopped working when this happens, and that the IIDTool would not fire up!

Today I set about checking everything over, passenger seat out, A pillar lower trim off, both rear cubbies opened up. Battery disconnected!

BOOT

Rear cubbies and boot all dry as a bone, no sign of water or moisture. Only thing I have changed recently back here is the hybrid TV and ULF Bluetooth module, so checked all connections over there, and on the radio too.




LCM

With A pillar trim and footplate removed, I also removed the bonnet cable lever for better access. Was able to release the white connector and next black connector with the LCM in situ, but then undid the lower 8mm bolt and tugged downwards. Out it came and released the third connector. Also, dry as a bone in behind the trim, no signs of water or moisture. LCM all dry too.







Connectors looked very slightly corroded but nothing to make me get the emery paper out.

All put back together

BCM

Undid the seat bolts and seatbelt bolt, removed connector to seat ans removed seat. Heavy on your own!

Removed black plastic cover and undid the two plastic bolts holding the BCM carrier in place. Again all dry as a bone, no signs of moisture or water, even under the carpet. All connectors looked fine and circuit board appears unmolested.










Also found a spare lead under there, not connected to anything, wonder what that does?





After investigation, no apparent water damage anywhere, if this was the cause, it is not in those three places!

Put everything back together and reconnected the battery. Started up to do the wheel to wheel thing, and guess what, everything was working again. best guess at the moment is the opposite of water ingress, everything has just got too dry and this has caused intermittent circuit breaks?

Ran a full fault search with the IIDTool, lots in there probably caused just by disconnecting the battery.

From the LCM I got these codes:

0x57 Air Suspension
0x5F Coolant fault
0x0094 unknown
0x0095 unknown

From Instrument Pack I got:

0xBF checksum incorrect
0x58 Bus fault
0xBE Lighting Module Error

Cleared all faults, will check again in a couple of days or if the problem comes back to see what recurs. .
Experience is the only genuine knowledge, but as time passes, I have forgotten more than I can remember Wink
Volvo V70 P2 2006 2.4 Petrol 170bhp Estate SE
MG Midget Mk1 1962

Previous: L322 Range Rover TDV8 3.6 2008; L322 Range Rover TD6 3.0 2002; P38A Range Rover V8 1999

Post #387857 19th May 2016 1:31pm
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Haylands



Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7879

England 2014 Range Rover Autobiography SDV8 Loire Blue

That does seem very weird Tim, maybe just moist air getting into one of the plugs...

Glad it's all working ok now...

Did you have a look at the ABS module plug under the bonnet, can't see it would give your symptoms but you never know.... Pete

__________________________________________________
2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

Post #387932 19th May 2016 9:19pm
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