Hydraulic Unit

WARNING: This page is about a different car, the 2011 Subaru Tribeca. However, it is still accessible from the selected car via links, so may be relevant.

Check the hydraulic unit.

With brake tester Refer to CHECKING THE HYDRAULIC UNIT VDC OPERATION WITH BRAKE TESTER , INSPECTION, VDC Control Module and Hydraulic Control Unit (VDCCM&H/U).
Without brake tester Refer to CHECKING THE HYDRAULIC UNIT VDC OPERATION USING A PRESSURE GAUGE , INSPECTION, VDC Control Module and Hydraulic Control Unit (VDCCM&H/U).