Audi A4 B5 Avant Lift 2000r - Not opening the flap from the button and the remot

Hello. Today I decided to deal with the inoperative opening of the trunk.

It does not work from the button or the remote control, while an attempt to open the flap button from the button only causes the relay to react correctly (clicking) and the remote control is completely silent. (Locking and unlocking the vehicle with the remote control works).
I will write in advance what I know so as not to need to discuss it
I checked the operation of the servo from an external battery - It works like crazy without problems.
I checked the ankle weight - it is. (0.2 ? in relation to the mass of the lamp) natural thing, wires.
I checked the plus on the cube - 0.2 to 0.5V when trying to start the servo. (Meter measuring error / changing ground potential?)
I checked the output from the comfort module (pump) whether there is a servo power supply (yellow wire) - unfortunately not.
Any suggestions?
I suspect a relay here - burned out contacts. Unfortunately, nowhere can I find information about which relay is responsible for this circuit.
I have tried by ear, but there are several of them side by side and I am not able to figure out which one it is.

As for opening from the remote control - Do not listen to the relay getting an impulse, while VAG-COM shows variable data after pressing the button on the remote control - the signal from the remote control is received.

And now I'm stupid. Is the one related to the other?
Maybe someone had and processed such a combo of defects?
I will be very grateful for any suggestions and hints.
Best regards. Mariusz.

Hello, nobody can tell you anything? It would be good, because it gets colder and in winter there is no way to do it at home ...
Or maybe someone is here from the area, Gdynia - Wejherowo and knows who could help for good money? although I'd rather be alone, I deal with electronics every day and it would be strange for me to pay for such a service hehe.
Best regards.

Since you know that it is a yellow wire, use the meter to check which relay it comes from. Anyway, check if the relay is energized.

Okay, maybe tomorrow I will organize it somehow and let me know what happened.
To tell the truth, you have now given me to think about the voltage entering the relay because the remote control also does not work and it is not said that it is also switched on by the same relay maybe part of the circuit doesn't have power as usual.
Thanks!
Until tomorrow I think

Hello, have you already solved this problem with the flap, the central door works for me with the key from the remote control, the trunk opens ONLY with the key and how the flaps are pressed in the remote control, but the pump does not react for a long time errors are too long pump work or a possible damaged control unit in the driver's door? ? I podpielem another pump also runs the same length and the trunk is nothing. The trunk light also does not burn and the fis responds correctly hatch open hatch closed
Greetings

Swrabel wrote:

Hello, have you already solved this problem with the flap, the central door works for me with the key from the remote control, the trunk opens ONLY with the key and how the flaps are pressed in the remote control, but the pump does not react for a long time errors are too long pump work or a possible damaged control unit in the driver's door? ? I podpielem another pump also runs the same length and the trunk is nothing. The trunk light also does not burn and the fis responds correctly hatch open hatch closed
Greetings

Hello, I don't know if the problem has already been solved, because it's been a long time after all?
Maybe I'll help someone.
I can add from myself that if you hear the central locking pump for a long time, the pump itself is usually damaged.
The pump is made of graphite and this mechanism often breaks down.
It is exactly like in the video
https://www.youtube.com/watch?v=iV-AShxG2Zk
I have already replaced this measure twice in my brother's Audi.
Regards.