Hydraulic Control Unit

WARNING: This page is about a different car, the 2023 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.

Bleed air from the brake line, and perform No. 1)- 25) in service information . Ref. to BRAKE>AIR BLEEDING>PROCEDURE>BRAKE LINE .
CAUTION:
- If there is a possibility that air enters the pressure control section in the hydraulic control unit, perform No. 13)- 18) in service information BRAKE>AIR BLEEDING>PROCEDURE>BRAKE LINE .
- For normal air bleeding operation, do not operate the sequence control for the hydraulic control unit. (Operating the sequence control may let air in the normal air bleeding passages move to the pressure control section.)
- Be sure to perform the ABS sequence control mode first before the VDC sequence control mode.
NOTE: If there is a possibility that air enters the pressure control section in the hydraulic control unit, perform the sequence control mode for both of the ABS and VDC systems. (Refer to steps 12 to 18 for brake lining.)