Subaru Legacy 2003 Service Manual page 1853

ENGINE (DIAGNOSTICS)
(A)
(A) Relief valve control solenoid
valve 2
(B) Filter
(C) Exhaust valve control duty sole-
noid valve
ELECTRICAL COMPONENTS LOCATION
1
(D) Relief valve control solenoid
valve 1
(E) Exhaust valve control solenoid
valve (For negative pressure)
(F) Intake air valve control solenoid
valve
EN(H4DOSTC)-14
(G)
(C)
(B)
(G) Exhaust valve control solenoid
valve (For positive pressure)
(F)
(E)
(D)
EN-00973