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the_big_1

Member Since: 04 Jul 2014
Location: Warwickshire
Posts: 577

2013 Range Rover Sport Supercharged Autobiography Fuji White

Auto wiper issue

Hi guys,

Had a new screen fitted a couple of weeks ago, it's a Range Rover original screen.
Noticed today that if I have the wipers in the auto position, when I start the car, it does a sweep even though the screen is clear. Never used to do that?

Any ideas.

Wed Nov 14 2018 6:49pm

the_big_1

Member Since: 04 Jul 2014
Location: Warwickshire
Posts: 577

It's a 2015 L495 by the way

Wed Nov 14 2018 6:56pm

Andy K

Member Since: 18 Sep 2015
Location: GL
Posts: 4779

2005 Range Rover Sport TDV6 HSE Rimini Red

don't they do that if dew is on the screen in the morning. and frost! which is rather a problem!

Wed Nov 14 2018 7:12pm

the_big_1

Member Since: 04 Jul 2014
Location: Warwickshire
Posts: 577

Tonight it's varnish and the screen was totally clear but still did it 🤔

Wed Nov 14 2018 7:18pm

syl

Member Since: 10 Mar 2016
Location: Somerset
Posts: 410

Don't you have to have everything recalibrated with a new screen (auto wipers, emergency braking, etc.)? RRS MY17 SDV6 AB
Evoque MY17 TD4 AB

Wed Nov 14 2018 10:27pm

the_big_1

Member Since: 04 Jul 2014
Location: Warwickshire
Posts: 577

I thought that was for if you have cameras for lane departure. Last time they changed the screen, it worked fine

Wed Nov 14 2018 10:34pm

Col

Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 4835

2013 Range Rover Sport Supercharged Autobiography Santorini Black

Would appear sensor is self calibrating when first powered up.

The rain sensor must be re-authorized to a new windscreen, if fitted, or if transferred to another vehicle, the new
rain sensor assembly will automatically re-initialize when powered-up for the first time. In order for this to occur
successfully, it must be fitted and connected to the windscreen bracket.

Personally always switch auto off in Winter that way if blades frozen or stuck to screen it don't damage blades or possibly loosen arm on spline.

Cheers
Col

Wed Nov 14 2018 10:59pm

the_big_1

Member Since: 04 Jul 2014
Location: Warwickshire
Posts: 577

Hi Col,

Does that mean there is an issue with the fitment then as if it's auto calibrated, it's not calibrating correctly?

Wed Nov 14 2018 11:08pm

Col

Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 4835

Hi, not sure on that one as that is just an extract from workshop manual, is it possible they damaged the sensor when removing it from old screen in anyway, may sound stupid but just a thought is there anything on the screen in front of sensor causing it, also does the light sensor work as believe that is integral in the same sensor.

Cheers
Col

Wed Nov 14 2018 11:16pm

the_big_1

Member Since: 04 Jul 2014
Location: Warwickshire
Posts: 577

Hi Col,

From memory the light sensor is under the mirror or that might be the main beam assist. I cleaned the screen on the outside yesterday but still did it. I was wondering if something like a finger print on the sensor or if the screen wasn't clean on the inside where the sensor is. Does the manual say how to remove / refit sensor?

Wed Nov 14 2018 11:24pm

Col

Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 4835

If you pm me a email address I will try and send you a PDF of the section of the manual that details removing it.

Cheers
Col

Wed Nov 14 2018 11:34pm

the_big_1

Member Since: 04 Jul 2014
Location: Warwickshire
Posts: 577

I was thinking of removing it over the weekend, give the screen and sensor a good clean

Wed Nov 14 2018 11:39pm

Col

Member Since: 02 Sep 2012
Location: Hawkes Bay NZ
Posts: 4835

Just remembered you can download manual from here, thanks to Naks

http://bit.ly/2iH7jgG

Cheers
Col

Wed Nov 14 2018 11:57pm

Tim in Scotland

Member Since: 30 May 2005
Location: Driving along in my automobile
Posts: 17476

2013 Range Rover Sport SDV6 HSE Stornoway Grey

Col wrote:
Personally always switch auto off in Winter that way if blades frozen or stuck to screen it don't damage blades or possibly loosen arm on spline.

L494 has a Winter park setting that will stop the wipers on top of the front screen heater element and is also the setting to use to avoid paintwork damage on the edge of the bonnet when lifting the wiper arms for replacing wiper blades. The problem with the winter park position is if you drive off with it set the wipers don’t park out at the bottom of the screen - something I would have thought is not out of the bounds of a technical cure - a small controller that basically checks that if Car is moving the wipers will drop to the normal parked position and return to the Winter park position when you switch off the engine. 2020 Pangea Green 1st Edition D240 New Defender 110 is here and loving it
2018 Melting Silver Mini Countryman PHEV - soon to be replaced
2015MY Corris Grey SDv6 HSE Dynamic, the best car I have ever owned, totally reliable only a cou0le of rattles in 3 years, now no longer in my care
Also in my garage is a 1996 TDi300 Defender 90 County HT made into a fake CSW

Thu Nov 15 2018 10:36am

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