Subaru Legacy 2002 Service Manual page 1506

DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)
¼ WIRING DIAGRAM:
No.
1 CHECK ANY OTHER DTC ON DISPLAY.
Step
Does the Subaru Select
Monitor or OBD-II general
scan tool indicate DTC
P1134?
EN(H6)-299
Check Yes
Replace ECM.
<Ref. to FU(H6)-
47, Engine Con-
trol Module.>
Engine (DIAGNOSTICS)
B2M4745
No
It is not necessary
to inspect DTC
P1134.