On the basis of pulse signals from proximity switches Hall sensor power window motor servo control module window in its main switch determines the position and direction of movement of the window glass. Accordingly, the main switch controls the servo system power windows with driver's side
(Fig. 8.29). When the starting position is set before the transfer vehicle, the position of the window glass and the direction of operation are stored in the control module at the main power window switch valve. Thus, the adjustment of the reference position is necessary if disconnected: a cable - from the negative terminal of the battery, the main switch and power window motor connector to the servo
(Fig. 8.30).