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Author Topic: XENON headlight motors  (Read 492 times)

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Jan Suhr

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XENON headlight motors
« on: 26 October 2019, 10:26:21 »

Is there a way to check the leveling motors for XENON-lights when the motors aren't in the car?

I have a few extra from cars I scrapped and I would like to check if they are good or not.

Thinking that I could connect them to 12+V and see if they move or not.


Thanks

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Jan Suhr
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www.protouring.se

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Re: XENON headlight motors
« Reply #1 on: 27 October 2019, 11:07:38 »

Hmmm, not sure without the ECU which sits up on the wheelarch.  Not sure if its a PWM control line, or a variable voltage.

I'll try to look at wiring diagram later.
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Jan Suhr

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Re: XENON headlight motors
« Reply #2 on: 27 October 2019, 11:12:50 »

I had just taken one motor apart when you posted.

It looks like pin 2 and 4 goes to the motor. The other pins goes the switch in the motor that stops the motor from going to far.

I'll check and confirm later.

Thanks


Jan
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Jan Suhr
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Re: XENON headlight motors
« Reply #3 on: 27 October 2019, 11:14:25 »

Ah, loos promising then :)

There should be some kind of feedback circuit as well, so the Headlight Levelling ECU would know the light's position.
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Jan Suhr

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Re: XENON headlight motors
« Reply #4 on: 27 October 2019, 11:44:25 »

Ok I can confirm that pin 2 and 4 powers the motor. Switch Pos and Neg between them moves the adjuster in or out. Be careful to just give them a short push just to see that it moves. Using this method bypasses the built-in stop that prevent the motor from going to far in or out. Pin 1, 5 and 6 are for the stop at each end of the cycle and they report back to the ECU.




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Jan Suhr
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Re: XENON headlight motors
« Reply #5 on: 27 October 2019, 11:51:33 »

Calling Jimbob to Leccy section. I think the above is worthy of making into a guide :)
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Jan Suhr

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Re: XENON headlight motors
« Reply #6 on: 27 October 2019, 12:23:53 »

Calling Jimbob to Leccy section. I think the above is worthy of making into a guide :)

 :y
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Jan Suhr
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