Subaru 2009 IMPREZA Service Manual page 427

ENGINE (DIAGNOSTICS)
(1)
(5)
(7)
Electrical Component Location
EN-06225
(3)
EN-02179
EN-00010
EN-00012
EN(H4SO)(diag)-10
(2)
EN-01971
(4)
EN-01972
(6)
EN-00011
(8)
EN-04089