Subaru Legacy 2005 Service Manual page 346

COOLING
Step
30 CHECK MAIN FAN RELAY 2.
1) Turn the ignition switch to OFF.
2) Remove the main fan relay 2.
3) Measure the resistance of main fan relay 2.
Terminal
(F27) No. 2 — (F27) No. 4:
31 CHECK MAIN FAN RELAY 2.
1) Connect the battery to terminals No. 1 and
No. 3 of main fan relay 2.
2) Measure the resistance of main fan relay 2.
Terminal
(F27) No. 4 — (F27) No. 5:
Radiator Fan System
Check
Is the resistance more than 1
MΩ?
Is the resistance less than 1
Ω?
CO(H4SO 2.0)-12
Yes
Go to step 31. Replace the main
fan relay 2.
Go to step 23. Replace the main
fan relay 2.
No