Subaru Legacy 2002 Service Manual page 861

DIAGNOSTICS FOR ENGINE STARTING FAILURE
Engine (Diagnostics)
C: CONTROL MODULE POWER SUPPLY AND GROUND LINE
CAUTION:
After repair or replacement of faulty parts, conduct CLEAR MEMORY and INSPECTION MODES.
<Ref. to EN(w/oOBD)-30, OPERATION, Clear Memory Mode.> and <Ref. to EN(w/oOBD)-28,
OPERATION, Inspection Mode.>
¼ WIRING DIAGRAM:
No.
1 CHECK MAIN RELAY.
1) Turn the ignition switch to OFF.
2) Remove main relay.
3) Connect battery to main relay terminals No.
1 and No. 2.
4) Measure resistance between main relay
terminals.
Terminals
No. 3 — No. 5:
No. 4 — No. 6:
Step
Is the resistance less than
10 Ω?
EN(w/oOBD)-50
Check Yes
Go to step 2.
S038533E37
B2M4726
No
Replace main
relay.