Leveling Motor Failure

Interface and features

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manicslothpdx
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16 фев 2019, 11:50

 

Сообщение  12 янв 2021, 01:43

I added the feature to my VW MK4 Jetta cluster so that it shows an alert if a headlight leveling motor fails. It required soldering, so I have not reinstalled my cluster yet.

In an Audi, a stock cluster shows a unique alert if a leveling motor fails. However, in a VW with this feature added, a stock cluster shows a lamp check failure alert instead of a unique leveling motor alert.

Is this some ColorMFA can detect in a VW and can it show a unique alert for leveling motor failure? Or, will ColorMFA show a lamp check alert too just like a stock cluster?
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autopilot
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28 дек 2017, 19:07
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Сообщение  12 янв 2021, 10:21

You mean Dynamic Headlight Range Control failure (from the auto-leveler for xenon) ?
This error is supported in ColorMFA. But this error indicate ANY problem with DHRC module, not only leveling motor fails.
Passat B5.5 clusters support this feature. Pin21 in Green socket in cluster. Don't know about Golf.
In ColorMFA this feature is disabled by default in VW firmware.
Enable this function for Passat B5.5:
- connect TrInput12 from ColorMFA to cluster pin21 in green socket.
- make sure pin 21 in the green socket is pulled up to positive via resistor (not all clusters supported this feature and in cluster PCB may not present some elements).
- DHRC module must be connected as in original wiring diagram (T20/11 wire from DHRC must be connected to cluster T32b/21)
- enable DHC error in ColorMFA (hidden menu -> Software->Errors->set checkbox for "DHC").

Maybe in Golf also possible connect DHRC to T32b/21. I don't know. If not possible, you can found any unused pin (really free pin without any elements on cluster PCB) in cluster sockets and connect DHRC to ColorMFA throught this pin. Don't forget about the pullup resistor.
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manicslothpdx
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Сообщение  15 янв 2021, 00:41

I didn't know there was a hidden menu:

- enable DHC error in ColorMFA (hidden menu -> Software->Errors->set checkbox for "DHC").

I will try that. As far as I know, we did everything else correctly using the following forum:

https://www.vwvortex.com/threads/diy-au ... t-85449927

Thank you.
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autopilot
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Сообщение  15 янв 2021, 11:01

Добавьте данные об автомобиле в подпись (профиль -> подпись). Чтоб не спрашивать постоянно... :)
Please add info about your car to you signature (profile -> edit signature). To not ask every time... :)
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