Left xenon won't do auto leveling test

[Panta Rhei]

Guys, my right headlight (passenger side, LHD) works fine and when I switch headlamps on it does this auto leveling procedure well. Xenon goes down low and re-adjusts to the proper level.
My left lamp tho, it won't auto level. I've connected the car to the laptop and I found a fault in 'headlight range motor' or something like that.
I have replaced:
- front axle leveling sensor - when this guy is disconected I get different fault on laptop, so that's not the case I guess.
- new headlight adjusting motor for my left xenon, it has got a taller rod tho.
Adaptation of lights is necessary via laptop?
Left lamp won't auto level anymore.
Is it because of the rear axle sensor?

 

[ph001]

The rear axle sensor is not unique to one headlight so it won't be that. If you have changed the motor and the rod is the incorrect length, the ball socket might have popped out? This thread here will show you everything you need to know... https://z4-forum.com/forum/viewtopic.php?f=3&t=94238&hilit=xenon

 

[Panta Rhei]

I've read your topic carefully.
I switched old motor with new one and no movement at all.
Both motors are OE and share same part nr, thing is my previous one has got shorter rod compared to the new one, I guess that is thanks to this motor MOTION which is why my xenon now points upwards too much. I guess I need to do a calibration to my xenons so that the rod knows where the start is, but still, no movement on new and old motor...

 

[ph001]

They are self calibrating so I'm not sure there is anything you can do in that respect. There must be some way of testing the motors by applying volts direct to the terminals. I'll see if I can dig some more info out.

 

[Panta Rhei]

Ahh okay good to hear that they are self calibrating, mine's stuck.

 

[parabolica]

I would check the ballast on the headlight that isn’t leveling; they are known to go bad. Bumper off, light out and pull it off from underneath the headlight housing.

 

[Panta Rhei]

I don't think its ballast because xenon and position light both work just fine.
My next guess is wiring 61 13 8 373 573.

 

[Panta Rhei]

Guys, plug underneath the headlamp was disconeccted. Solved.

 

[ph001]