Control Valve Body: Inspection

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.

Check for oil leaks.
Check that there is no deformation, cracks or other damages.

Check the resistance of each solenoid.

NOTE:

Measurement should be performed at 20°C (68°F).

Courtesy of SUBARU OF AMERICA, INC.

Solenoid	Terminal No.	Standard
Line pressure solenoid	No. 1 - Control valve body	3.3 - 7.3 Ω
Lock-up duty solenoid	No. 2 - Control valve body	10 - 14.2 Ω
F & R solenoid	No. 3 - Control valve body	3.5 - 7.1 Ω
Secondary solenoid	No. 4 - Control valve body	3.3 - 7.3 Ω
Primary DOWN solenoid	No. 6 - Control valve body	10 - 14.2 Ω
Primary UP solenoid	No. 7 - Control valve body	10 - 14.2 Ω
AWD solenoid	No. 8 - Control valve body	3.3 - 7.3 Ω