1 / 1. A4 (B7 Platform) Discussion - Xenon headlight level sensor noise - Hi. My front left level sensor arms making crackling sound when they moving because of suspension. I searched on the internet for it if there are any videos where someone shows how to disassemble the arms from each other but no luck. 2 02-05-2017, 08:26 AM. (02-05-2017, 04:24 AM)p rynn Wrote: 01771 headlight range control unit fault, faults showing on open/short circuit on the level sensor front and rear. Fault on dash permanent. Fuse is fine and connection up to the sensors are fine. RickyBoy. 37 posts · Joined 2007. #18 · Dec 6, 2016 (Edited) Fail my MOT due to a Headlamp leveling device obviously defective (broken arm) rear. See pics, get this from Honda dealer, no need to buy the whole sensor assembly. Hope this helps, cheers Ricky. Price £27.00 inc VAT. Sensor about £270.00. Also, as far as adjusting the aiming on the xenon lights - yes, you are supposed to do it with VCDS. Basically you hit the "reset" button (more or less) and it takes the auto-levling adjustment motors to the "Zero Position", and however the car is sitting at that very moment is relearned as "normal ride height". Headlight level sensor. I was doing brakes and rear suspension yesterday and I noticed that the arm on the sensor back there seems to have rusted away. More rust on that one arm than on the whole vehicle, however it is no longer connected. I can apparently buy the entire assembly, new arm, mount, and sensor for about forty bucks, or I can get The headlight level control switch had gone so that the angle of the headlights was all wrong and it was an MOT failure issue.It's dead easy to fix! Watch t Etc. Yes, throw a towel or sth. over the front windshield (rear-view mirror area) and lights should come on. You can also check your setting in MIB for sensor sensitivity (early, medium, late) if that makes any difference - I have mine set to late. The sensor itself is dead easy to access, remove, change.. Rugby. Sep 11, 2016. #2. The large square at the front of your interior rear view mirror is the camera for HBA, the smaller squares less than 1cm are at the front and back and this is to control the dimming function of the mirror itself - if the rear facing sensor has a higher light input compared to the front it will dim. App Vay Tiền Nhanh.

audi headlight level sensor location