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FWD parking sensors only operate when reverse is selected?
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Selkie
 


Member Since: 07 Mar 2008
Location: Caithness
Posts: 17

2010 Discovery 4 3.0 TDV6 XS Auto Santorini BlackDiscovery 4
FWD parking sensors only operate when reverse is selected?

Anyone else had a D4 that the fwd parking sensors only operate when reverse is selected? Or is my one special....... Wink
  
Post #61801410th Mar 2010 11:11 am
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methley
a.k.a. Big Hairy Ski Monster 


Member Since: 07 Oct 2008
Location: Marshfield, South Glos
Posts: 2433

England 2006 Discovery 3 TDV6 SE Manual Java BlackDiscovery 3

It's to stop them false firing in slow traffic. The D3 used to have the fronts activate below a certain speed but the operation was changed with a new module to prevent the above.
 Andy

Fridge Slide for sale https://www.disco3.co.uk/forum/post2064622.html#2064622 
 
Post #61801710th Mar 2010 11:13 am
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AVE
D3 Decade 


Member Since: 12 Nov 2006
Location: First house on the left
Posts: 3097

United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4

But if the fronts only work when in reverse, what good are they when going forward into a parking space... or have I missed something? Confused
 As you slide down the banister of life
may no splinters point your way



Disco XXV
RRS2 Autobiography Dynamic MY16
Discovery Sport HSE Lux MY17

Evoque HSE Dynamic MY16 (Gone)
RRS2 Autobiography Dynamic MY14 (Lovely car but preferred the Disco!)
Disco 3 Tdv6 HSE MY05 (owned for 11 years and now gone)
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Post #61802110th Mar 2010 11:19 am
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methley
a.k.a. Big Hairy Ski Monster 


Member Since: 07 Oct 2008
Location: Marshfield, South Glos
Posts: 2433

England 2006 Discovery 3 TDV6 SE Manual Java BlackDiscovery 3

They ACTIVATE when placed into reverse and stay live even in a forward gear until the vehicle speed exceeds a threshold or the button is pressed. Apologies - I didn't read the original question properly! Embarassed
 Andy

Fridge Slide for sale https://www.disco3.co.uk/forum/post2064622.html#2064622 
 
Post #61802310th Mar 2010 11:20 am
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AVE
D3 Decade 


Member Since: 12 Nov 2006
Location: First house on the left
Posts: 3097

United Kingdom 2014 Discovery 4 3.0 SDV6 XXV LE Auto Causeway GreyDiscovery 4

So when parking the car you have to first select reverse gear, then drive to activate the forward sensors at all times?

My older model has the deactivation button on the dash. So never had a problem with false firing.
 As you slide down the banister of life
may no splinters point your way



Disco XXV
RRS2 Autobiography Dynamic MY16
Discovery Sport HSE Lux MY17

Evoque HSE Dynamic MY16 (Gone)
RRS2 Autobiography Dynamic MY14 (Lovely car but preferred the Disco!)
Disco 3 Tdv6 HSE MY05 (owned for 11 years and now gone)
Range Rover Sport HSE MY11 (Gone)
Freelander2 SE (Gone but the most reliable car we've ever owned)
Disco 2 V8 (Gone) 
 
Post #61802810th Mar 2010 11:37 am
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methley
a.k.a. Big Hairy Ski Monster 


Member Since: 07 Oct 2008
Location: Marshfield, South Glos
Posts: 2433

England 2006 Discovery 3 TDV6 SE Manual Java BlackDiscovery 3

Yep, or just press the button (if one is fitted).
 Andy

Fridge Slide for sale https://www.disco3.co.uk/forum/post2064622.html#2064622 
 
Post #61806010th Mar 2010 12:30 pm
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kenny
 


Member Since: 17 Jan 2010
Location: South West Aus
Posts: 79

Australia 2011 Discovery 4 3.0 TDV6 SE Auto Siberian SilverDiscovery 4

I just press the button... Turns them off if they are on and turns them on if they are off... It's next to the DSC on/off button.. With the Hazard triangle in between them..
  
Post #61806510th Mar 2010 12:38 pm
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Supercharged
 


Member Since: 07 Oct 2006
Location: Northants
Posts: 171

United Kingdom 2010 Discovery 4 3.0 TDV6 HSE Auto Zermatt SilverDiscovery 4

This is a bit daft really. My Merc's sensors activated automatically below about 3 mph. You did get the odd blip when someone walked between cars in stationary traffic, but it was better than having to manually activate when parking.

On the D4 the auto activation of front and rear heated screens is a pain in cold weather - the vast majority of the time I don't need them.

So where it should be auto it's manual (front parking sensors), and where it should be manual it's auto (heated screens)!

Minor niggles really on a great car.
 Paul

D4 HSE Zermatt Silver / Ebony 
 
Post #61814710th Mar 2010 4:02 pm
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adam
 


Member Since: 20 Sep 2005
Location: Home and Happy
Posts: 6917

United Kingdom 

Confused me no end all weekend until I read relevant part of manual
  
Post #61815010th Mar 2010 4:05 pm
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pavol
 


Member Since: 02 Mar 2010
Location: Poprad
Posts: 31

Slovakia 

Yep. The front sensors are activated by the button. (or obviously by reverse) This is quite common on german cars as well. In my opinion it is better than an automatic activation, as it does not bother you unnecassarily and, if you need them, you know that you need them (e.g. you are approaching a wall) and there is nothing simpler than pushing a small button, right? 8)
  
Post #61879111th Mar 2010 9:36 am
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Selkie
 


Member Since: 07 Mar 2008
Location: Caithness
Posts: 17

2010 Discovery 4 3.0 TDV6 XS Auto Santorini BlackDiscovery 4

Goes to show the old adage still holds true. If all else fails RTFM...... Embarassed
  
Post #61900011th Mar 2010 1:52 pm
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methley
a.k.a. Big Hairy Ski Monster 


Member Since: 07 Oct 2008
Location: Marshfield, South Glos
Posts: 2433

England 2006 Discovery 3 TDV6 SE Manual Java BlackDiscovery 3

This is what I was refering to earlier....

Quote:
TSB LA413-003:
Summary:A customer may report a concern that the front parking aid system sounds unnecessarily.

Cause: The current system strategy means that the front parking sensors will operate when a forward gear is selected following reverse. Sensor operation is canceled when the vehicle speed is above 10mph (16kph) but will operate again if the speed drops below 10mph (16kph). This can give instances of sensor warnings when the vehicle stops at a junction and another vehicle or pedestrian passes in front of the vehicle, resulting in the above complaint. This is not a fault with the parking system, however, an alternative system strategy is available so that the system operation is canceled when the vehicle speed is above 10mph (16kph) and will not operate again until the vehicle speed is below 10mph (16kph) and the fascia front parking aid switch is selected (or until a forward gear is selected following reverse gear selection during parking).

Action: On a customer concern basis only regarding the above, refer to the Service Procedure detailed in this bulletin to renew the parking aid system control module. The new system operation must be explained to the customer.
 Andy

Fridge Slide for sale https://www.disco3.co.uk/forum/post2064622.html#2064622 
 
Post #61900311th Mar 2010 1:55 pm
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