If someone is having the same problem, you should make sure that your AC-system is not leaking, and that it has enough cooling fluid, before resorting to this. Using a voltmeter to check the AC-output of the BSI would also be a good idea.
If the terminal on the BSI doesen’t give a signal, you should also check that the button on the dashboard is signaling the BSI to activate the AC-system. If it is, and the output terminal of the BSI is not giving a signal, you could have a faulty AC-relay.
This is possibility replace only the faulty relay but take an advice from a good technician
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