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REAR PARKING SENSOR FAULT
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silverbullet
 


Member Since: 14 Jan 2014
Location: Duisburg
Posts: 55

Germany 2007 Discovery 3 TDV6 HSE Auto Tonga GreenDiscovery 3

There was same faults in my car after playing in mud. There was a lot of mud in the rear bumber and so its wet many weeks.

After cleaning the bumper, this fault never heard again Laughing .
 Greetings

Kai 
 
Post #16218478th Mar 2016 5:48 am
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SteveH
 


Member Since: 10 Aug 2013
Location: Northampton
Posts: 80

England 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Can anyone help. I had an intermittent pkg sensor issue that is now not working at all- front or rear
Long beep from rear sounder on ignition and flashing LED. No fault messages.
I have tried click test with brake off in reverse and ignition in position II - cannot hear anything from any of the sensors
I have had rear bumper off today hoping to find obvious break in wire or corrosion but nothing really. Disconnected and sprayed connectors, re connected all and bumper back on. Fingers crossed, ignition - same fault Big Cry
Anything else I can check that could be likely culprit? I feel I've wasted a lot of time already without success - I know this is part and parcel of the D3 but in danger of losing the love. The Mrs is not that impressed either..
Where is the fuse position for the pkg sensor system? I can't see it listed in my manual

Would be grateful for pointers
  
Post #162651316th Mar 2016 7:53 pm
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BBB
 


Member Since: 01 Apr 2015
Location: Chester
Posts: 269

2008 Discovery 3 TDV6 XS Manual Zermatt SilverDiscovery 3

Fuse is either 35 or 36 in glovebox, can't remember which, obvious when look at plan/key of fuses though
The one with the P with the beacon coming of it
 There is no I in team, but there are five in Individual Brilliance

Disco gone, emigrated to a VW Amarok 
 
Post #162665017th Mar 2016 1:02 am
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SteveH
 


Member Since: 10 Aug 2013
Location: Northampton
Posts: 80

England 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Thanks BBB I will have a look (it says 35/36 are air suspension / tyre pressure monitor in my Haynes?)
Potential silly question but will it be obvious if fuse is blown - visually?
  
Post #162674217th Mar 2016 10:02 am
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BBB
 


Member Since: 01 Apr 2015
Location: Chester
Posts: 269

2008 Discovery 3 TDV6 XS Manual Zermatt SilverDiscovery 3

Should be
It is a 5 amp fuse, there are plenty of other 5 amp fuses in the same area
Pick something not that important and swap them over if not 100% positive.
I seem to remember the fuse is dual purpose with something else, can't remember what, not at home at present so can't look
But was something not fitted to mine
My problem turned out to be a couple of sensors, one front, one back
 There is no I in team, but there are five in Individual Brilliance

Disco gone, emigrated to a VW Amarok 
 
Post #162691117th Mar 2016 4:11 pm
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SteveH
 


Member Since: 10 Aug 2013
Location: Northampton
Posts: 80

England 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

BBB/All
Still hunting this down. Checked fuse as BBB guided and seems ok. As mentioned checked and cleaned connections at rear and visually checked loom - all seems ok (actually I have small suspicion on one outer sensor where the connection 'click' wasn't quite so positive). I have checked off side front connection behind headlight.
I went and got a diagnostic check from an indie and he advised there was a short/power out to all - so cant tell which sensor if any; possibly the pdc module gone down...; I have accessed the module and visually checked - wiring seems ok (would one sensor knock out power/short the whole system?)

Is there anything that you guys think I could/should still check? Im searching the forum for other avenues and just want to check before I start forking out for a new pdc module/ loom / sensors when it is not clear which if any have faults
If it is the pdc module does it need programming?
Cheers
  
Post #16358124th Apr 2016 12:37 pm
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SteveH
 


Member Since: 10 Aug 2013
Location: Northampton
Posts: 80

England 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Anyone? Whistle
I know this issue has been done to death but any suggestions on the above would be appreciated

With regard to replacement sensors is there a definitive answer to : only genuine LR (extortionately priced) ones give the original range/work correctly or can you get the same thing cheaper - someone mentioned the "Valeo" type was the same ??

If there is a short somewhere how can I check/find this - I have an amp clamp/multimeter but go easy on me cus I haven't much of clue how to use it other than clamping it over the battery terminals! so a step by step would be appreciated Embarassed
Cheers
  
Post #16368586th Apr 2016 4:51 pm
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BBB
 


Member Since: 01 Apr 2015
Location: Chester
Posts: 269

2008 Discovery 3 TDV6 XS Manual Zermatt SilverDiscovery 3

While you were at the indy you should have unplugged the front and inhibited them and checked the rears on their own
You could try this by just unplugging the front to check the back but not sure this would work with the front initiated and unplugged you can try

I will try mine see if that works

If so at least you will be on the right track front or back
 There is no I in team, but there are five in Individual Brilliance

Disco gone, emigrated to a VW Amarok 
 
Post #16373757th Apr 2016 6:08 pm
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BBB
 


Member Since: 01 Apr 2015
Location: Chester
Posts: 269

2008 Discovery 3 TDV6 XS Manual Zermatt SilverDiscovery 3

Unplugging the front on mine stops the rear from working so I would get the front swiched off/disabled and see if the back then work, if not change the loom in the rear, if the rear work on their own, change the loom in the front
 There is no I in team, but there are five in Individual Brilliance

Disco gone, emigrated to a VW Amarok 
 
Post #16374237th Apr 2016 7:12 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20713

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Or, have the fault diagnosed properly in the first place Rolling Eyes
 My D3 Build Thread

TDV8 Retrofit Build Thread 
 
Post #16374577th Apr 2016 8:06 pm
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SteveH
 


Member Since: 10 Aug 2013
Location: Northampton
Posts: 80

England 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Pretty p'd that Indy did not try this upon diagnostic visit. Paid for half hour labour for 10 min job and came away none the wiser
Thanks BBB for taking the trouble to check. I did actually try unplugging the rears after reading somewhere on here and was getting round to doing same with fronts. When I did the rears I initially got a slightly different warning tone but then same as normal ( live by beep and flashing led)

DM what would have been the next correct step on diagnostic after getting reading of no power/short to both ends?

I will try the fronts and see what happens. Have a sensor on order as suspect one in particular but could be wrong. Valeo type 15 quid - if the range is not as good sod it as long as it works
  
Post #16375117th Apr 2016 9:24 pm
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SteveH
 


Member Since: 10 Aug 2013
Location: Northampton
Posts: 80

England 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3
Update

Just tried unplugging fronts. Got a short beep on ignition - no flashing led
Select reverse and short beep with led lit no flashing. No fault on dash
However, whilst it would seem rears are working I can't hear any clicks. Even reversed towards wheelie bin and no internal warnings/pips from system ??
Going to get at the front loom and look. Guess it's front bumper off now
Stop me if I'm missing anything!
  
Post #16381729th Apr 2016 1:59 pm
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SteveH
 


Member Since: 10 Aug 2013
Location: Northampton
Posts: 80

England 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Ok so went for drive with fronts unplugged and car acting normal with short beep on engaging reverse, led lit no flashing - but no sound from sensors when approaching obstacle
After a few times - engage reverse again and low and behold - long beep flashing led!
Turn off ignition and back on again and back to normal Rolling Eyes

Removed front bumper this avo and found slight nik in the brown wire to the offside section of the loom with a bit of copper showing. Saw some corrosion staining on the insulation from the crash bar which led me to it (just as DM has pointed to on here). Got it I thought and proceeded to cut and connect up the wire. Re-plugged fronts, jumped in the motor and turned the ignition - same as original fault long beep flashing led Censored Big Cry
  
Post #163883910th Apr 2016 6:34 pm
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nhollandsmith
 


Member Since: 26 Nov 2011
Location: Gdansk
Posts: 327

Poland 2005 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

i managed a couple of months ago replace the two centre sensors and after putting everything back all was working fine.

But playing the same problem again with a Higher Pitched Tone from inside the car, that tells me there is a problem.

The last time I had great difficulty removing the mud guards as the screws were impossible to get to easily and in the end had to force and replace the near side rear mud flap.

I am thinking it could be the wiring that is the Problem? and not the Sensors?

Is the wiring loom easy to replace??
  
Post #181968327th May 2017 7:28 pm
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nhollandsmith
 


Member Since: 26 Nov 2011
Location: Gdansk
Posts: 327

Poland 2005 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

Will a D4 rear bumper with sensors easily plug into the existing wiring? or is there additional work required??

Just checking before I go ahead and order a bumper
  
Post #18345697th Jul 2017 4:01 pm
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