Subaru Legacy 2002 Service Manual page 583

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 Mode <Ref. to EN-45, OPERATION,
Clear Memory Mode.> and Inspection Mode. <Ref. to EN-42, 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. 5:
Step
Is the resistance less than
10 Ω?
EN-66
Check Yes
Go to step 2.
S078533E37
B2M4708
No
Replace main
relay.