9-3 XWD (9440) L4-2.0L Turbo (B207R) (2009)
Function
The pressure control valve is electrically controlled and its function is to regulate the hydraulic pressure (0-30 bar) to the operating piston. The valve is
directly connected to the XWD control module which supplies it with a PWM voltage. The valve is precisely calibrated together with the XWD control
module, they must be replaced together without exception.