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Author Topic: headlight level sensor  (Read 665 times)

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cam.in.head

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Re: headlight level sensor
« Reply #15 on: 09 February 2018, 22:02:23 »

when they bring up the field vision error message is it because it has detected the sensor has gone open circuit ? .and can they fail in other ways too.like no error messages but no signs of lights moving ? .
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annihilator

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Re: headlight level sensor
« Reply #16 on: 10 February 2018, 13:36:58 »

pic as promised,a lot of stuff going on inside so any water ingress may be terminal but may just need some resoldering.

   :y
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cam.in.head

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Re: headlight level sensor
« Reply #17 on: 10 February 2018, 15:48:22 »

 So been reading somewhere on here that its a hall effect and uses a magnetic arm to give position and some say it may be a pot. Can anyone confirm either. If it was a pot and the arm came off surely it wouldnt bring up a fault as the shaft is designed to move anyway it just wouldnt be indicating what the suspension was doing . . .?    Just curious how it operates .thanks.
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zYx

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Re: headlight level sensor
« Reply #18 on: 10 February 2018, 15:53:36 »

Bloody hell, did you manage to put it together afterwards with no issues?
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Magwheels

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Re: headlight level sensor
« Reply #19 on: 10 February 2018, 18:43:56 »

Mine was magnetic and the arm itself fell out and disappeared....no repairing that one!!
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laney101

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Re: headlight level sensor
« Reply #20 on: 14 February 2018, 06:02:46 »

I managed to swap one over eventually ...
There's the bolts holding them to the subframes and screws holding them to the brackets.

If you can't undo the brackets, then you're clearly not trying...

Was trying but apart from grind them off re drilling and tapping weren't moving ...

I'd always rather fit new parts when something like this regardless of cost...
Could be there Unsoldering every joint and resolder get back on and still doesn't work ... Lots of effort and time wasted ...

If can be bough new I'd rather just buy new... Or if someone selling a known good pair swap to at once with brackets

Front cooked now as broke trying to remove of bracket
Rear not been touched
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annihilator

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Re: headlight level sensor
« Reply #21 on: 14 February 2018, 12:30:25 »

agree that resoldering every joint is not feasible but the 3 obvious main contacts are easy to spot.personally I'm not prepared to spend 100 plus for a single part when the complete car was bought for 150.
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Kevin Wood

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Re: headlight level sensor
« Reply #22 on: 14 February 2018, 12:53:17 »

These are hall effect devices and tend to suffer 2 failure modes:

1) The ball joints on the arm get stiff due to water ingress and eventually the extra force distorts the plastic body of the sensor, water gets in and game over.

2) The arm comes loose and drops out of the sensor body. Sometimes it will snap back in and, if the ball joints are freed up, it will be fine. Often it won't.

The mounting screws securing the sensor to the bracket are usually siezed and unless you're very careful the plastic housing will crack as you try to unscrew them.

Basically, a bit of maintenance, freeing up and greasing the ball joints every so often, will keep them in good condition.
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omegod

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Re: headlight level sensor
« Reply #23 on: 14 February 2018, 12:54:33 »

Dave the ones on my current breaker are giving codes for being unserviceable, if that's the case you are welcome to cannibalise them for bracketry or casings, Ps the stereo works fine !
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cam.in.head

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Re: headlight level sensor
« Reply #24 on: 14 February 2018, 15:43:15 »

thankyou to kevin above for that description. out of curiosity although mine doesnt give any warning messages and the lights are aligned  fine when driving there doeasnt seem to be the initial movement people say happens at first. what are they supposed to do.
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BazaJT

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Re: headlight level sensor
« Reply #25 on: 14 February 2018, 18:33:14 »

On mine they light up then "dip" and then rise a little[guessing somewhere between the initial light up and the "dip" position]
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Doctor Gollum

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Re: headlight level sensor
« Reply #26 on: 14 February 2018, 19:25:38 »

On mine they light up then "dip" and then rise a little[guessing somewhere between the initial light up and the "dip" position]
This is the normal function test. If they don't do it then summat is not working properly.  :y
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Automaticman

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Re: headlight level sensor
« Reply #27 on: Today at 20:13:08 »

Same message on mine now I know what it means, where is this irksome object to be found, me being new to all this so please forgive my ignorance in advance ?
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