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Heated washers
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Ajpf5
 


Member Since: 13 Jul 2013
Location: Manchester
Posts: 84

2005 Discovery 3 4.4 V8 HSE Auto Bonatti GreyDiscovery 3

Old topic brought back, can't you tell the white stuff is on its way back Big Cry

Just fitted new d4 heated jets on my d3 hse.

Ran car without turning front heated screen on as noted above.

Guess what. Hot mirrors cold jets. Evil or Very Mad

Any ideas, is it same fuse as mirrors?

Gutted

Allan
  
Post #118998719th Nov 2013 6:16 pm
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DiskoStew
 


Member Since: 15 Apr 2013
Location: Location: Location:
Posts: 650

United Kingdom 2005 Discovery 3 TDV6 SE Manual Zambezi SilverDiscovery 3

Apologies for ancient thread revival...

As above - does anyone know what to check in the event of windscreen washers not heating (I have D4 heated jets fitted to D3).

Frosty bonnet this morning and only the FBH corner thawing on my journey into work (they have previously worked with the tell tale defrost ring around them).

Any pointers appreciated.

Cheers,

Darren
 A shapely pair of legs is one thing but a nice bum is not to be sniffed at.

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Post #176510018th Jan 2017 8:57 am
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faulksy
 


Member Since: 24 Dec 2023
Location: powys
Posts: 160

Wales 2012 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

APL wrote:
On D4's that are fitted with the heated front screen, the screen, heated washers and heated mirrors, together with the rear screen, all turn on automatically when the outside temp is below 5 degrees C, anyway, they will turn off after a few minutes but will come on again if the system thinks it is necessary.

So they are all automatic, to an extent!

i know this is a old post but is this correct, heated screen washer only comes on when heated screen is on. also is the heated windscreen serposed to be on for heated mirrors as mine dont work.
this would be ace if someone could answer this.
thanks guys and gals
 had a d1 ,d2 a land mark d4 for 3 days now have awsome d4 in orkney grey hse sdv6 my12  
Post #235874412th Jan 2024 7:50 pm
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popsdosh
 


Member Since: 09 Nov 2009
Location: cambs
Posts: 442

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Corris GreyDiscovery 4

Heated mirrors come on with heated rear window .
  
Post #235876913th Jan 2024 7:58 am
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eightfoot
 


Member Since: 12 Apr 2015
Location: sunny essex
Posts: 760

United Kingdom 2005 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3

think they might come on when the temp drops below a certain number same as the front and rear screens annoyingly do and i didn't think mirrors heating was switchable (could be wrong though)
 please excuse any grammer/punctuation mistakes,i'm thick,thankyou
current vehicles 2005 d3 2013 d4 
 
Post #235877713th Jan 2024 9:15 am
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faulksy
 


Member Since: 24 Dec 2023
Location: powys
Posts: 160

Wales 2012 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

thank you popsdosh and eightfoot. i now know my heated mirrors dont work Smile but didnt know untill last night that it ha heated windscreen washers. Thumbs Up
 had a d1 ,d2 a land mark d4 for 3 days now have awsome d4 in orkney grey hse sdv6 my12  
Post #235878413th Jan 2024 10:18 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10337

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

On the D3 the mirrors and jet heater control is the same function.
A relay by the battery is pulsed on the off every few seconds.


I would first wiggle and remove the relay and refit. If that doesn't work, replace.
Also have a look at the fuses. I think there are 2, not sure

Looking at D4 wiring:
fuse 12 for jets

can't find the mirror heaters on the D4 diagram.
  
Post #235879013th Jan 2024 11:01 am
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faulksy
 


Member Since: 24 Dec 2023
Location: powys
Posts: 160

Wales 2012 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

hi peter. thanks for that
the washers might work didnt know you had to have windsreen heater on for that to work.
is fuse 12 under the glove box or in the engine bay ?
thanks
mike
 had a d1 ,d2 a land mark d4 for 3 days now have awsome d4 in orkney grey hse sdv6 my12  
Post #235884813th Jan 2024 6:45 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13576

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

Pete K wrote:
On the D3 the mirrors and jet heater control is the same function.
A relay by the battery is pulsed on the off every few seconds.


I would first wiggle and remove the relay and refit. If that doesn't work, replace.
Also have a look at the fuses. I think there are 2, not sure

Looking at D4 wiring:
fuse 12 for jets

can't find the mirror heaters on the D4 diagram.


Hi Pete

Does this help u in any way plse with regards to the D4 heated mirrors

PS, many thks also to ur good self for the awesome help as the D4 heated washer jets that i retrofitted to my D3 worked a treat



Click image to enlarge
   
Post #235885213th Jan 2024 7:06 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10337

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Thanks Gary. I did find that page.
The relay top left does say mirrors and jets (though LR do get the markings wrong sometimes)
I couldn’t see the actual connection to mirrors


Fuse 12 in engine bay.
  
Post #235885713th Jan 2024 7:36 pm
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faulksy
 


Member Since: 24 Dec 2023
Location: powys
Posts: 160

Wales 2012 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

Thumbs Up
 had a d1 ,d2 a land mark d4 for 3 days now have awsome d4 in orkney grey hse sdv6 my12  
Post #235886413th Jan 2024 9:05 pm
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faulksy
 


Member Since: 24 Dec 2023
Location: powys
Posts: 160

Wales 2012 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

Pete K wrote:
Thanks Gary. I did find that page.
The relay top left does say mirrors and jets (though LR do get the markings wrong sometimes)
I couldn’t see the actual connection to mirrors


Fuse 12 in engine bay.

fuse 12 is good. will see if they work tomorrow when its frosty Thumbs Up
 had a d1 ,d2 a land mark d4 for 3 days now have awsome d4 in orkney grey hse sdv6 my12  
Post #235890014th Jan 2024 1:04 pm
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sub
 


Member Since: 04 Jul 2022
Location: Cheshire
Posts: 81

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Waitomo GreyDiscovery 4

Did you get to the bottom of this?

I've got the same issue... my fuse is fine, my windows mirrors are 'warm', but my jets are frozen solid.

My build sheet states "Front Heated Washer Jets With Heated Washer Jet (040AQ)" so I'm kinda hoping they're there!
  
Post #235904315th Jan 2024 5:15 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8044

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Remove the bonnet sound proofing and check for mouse damage, they love to nest, chew the wires and hibernate around the heated washers. Thumbs Up
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #235904415th Jan 2024 5:24 pm
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faulksy
 


Member Since: 24 Dec 2023
Location: powys
Posts: 160

Wales 2012 Discovery 4 3.0 SDV6 HSE Auto Orkney GreyDiscovery 4

sub wrote:
Did you get to the bottom of this?

I've got the same issue... my fuse is fine, my windows mirrors are 'warm', but my jets are frozen solid.

My build sheet states "Front Heated Washer Jets With Heated Washer Jet (040AQ)" so I'm kinda hoping they're there!


i think mine work. they wernt frozen this morning. promising -6 tonight so will find out in the morning.
left my heated windscreen on untill it timed out this morning, everything was clear
 had a d1 ,d2 a land mark d4 for 3 days now have awsome d4 in orkney grey hse sdv6 my12  
Post #235906115th Jan 2024 7:13 pm
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