I finally had some time to play with the control box. I found out that Haynes manual surprisingly has this wiring diagram for ph1 but it is lacking the important information about the pin numbers. That 605 instruction helped a lot. Connection seems to be identical.
9-pin control box / psa part 6555.E8:
Top row pins A1-5, bottom row B1-5:
A1: window lifter motor
A2: ground
A3: blank, no pin here
A4: other wire for window lifter
A5: +12V feed to box
B1: touch ground for auto movement
B2: touch ground for auto movement
B3: +12V feed to box
B4: keep grounded for normal movement, direction same than pin B2
B5: keep grounded for normal movement, direction same than pin B1
I did not list the actual directions, that depends which way the lifter motor is wired. Although this seems to work, use at own risk. I did not fry the box or car yet.