2004 SUBARU FORESTER Service Repair Manual

Page 993 of 2870

SUBARU FORESTER 2004  Service Repair Manual CO(H4SO)-10
COOLING
General Description
C: CAUTION
 Wear working clothing, including a cap, protec-
tive goggles, and protective shoes during opera-
tion.
 Remove contamination including dirt and co

Page 994 of 2870

SUBARU FORESTER 2004  Service Repair Manual CO(H4SO)-11
COOLING
General Description
D: PREPARATION TOOL
1. NON-TURBO MODEL
ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS
499977400
(2.0 L model)CRANK PULLEY 
WRENCHUsed for stopping crank pulley wh

Page 995 of 2870

SUBARU FORESTER 2004  Service Repair Manual CO(H4SO)-12
COOLING
General Description
2. TURBO MODEL
ILLUSTRATION TOOL NUMBER DESCRIPTION REMARKS
499977400
(2.0 L model)CRANK PULLEY 
WRENCHUsed for stopping crank pulley when loosening 
and tighte

Page 996 of 2870

SUBARU FORESTER 2004  Service Repair Manual CO(H4SO)-13
COOLING
Radiator Fan System
2. Radiator Fan System
A: WIRING DIAGRAM
CO-02003
B72 SBF-1
SBF-4
NO.17
NO.18
MAIN FAN MOTOR
(EXCEPT TURBO AT MODEL)
F17
2
1
ET
MAIN
FA N
RELAY-1
FA N
MODE
RELA

Page 997 of 2870

SUBARU FORESTER 2004  Service Repair Manual CO(H4SO)-14
COOLING
Radiator Fan System
B: INSPECTION
DETECTING CONDITION:
 Engine coolant temperature is above 95°C (203°F).
 Vehicle speed is below 19 km/h (12 MPH).
TROUBLE SYMPTOM:
Radiator ma

Page 998 of 2870

SUBARU FORESTER 2004  Service Repair Manual CO(H4SO)-15
COOLING
Radiator Fan System
6 CHECK HARNESS OF FUSE TERMINAL 
AND MAIN FAN RELAY TERMINAL.
1) Turn the ignition switch to OFF.
2) Measure the resistance between 20 A fuse 
terminal and mai

Page 999 of 2870

SUBARU FORESTER 2004  Service Repair Manual CO(H4SO)-16
COOLING
Radiator Fan System
14 CHECK FAN MODE RELAY.
Measure the resistance of fan mode relay.
Te r m i n a l
 No. 6 — No. 9:Is the resistance less than 1 
Ω?Go to step 15.Replace the

Page 1000 of 2870

SUBARU FORESTER 2004  Service Repair Manual CO(H4SO)-17
COOLING
Radiator Fan System
22 CHECK POWER SUPPLY TO SUB FAN RE-
LAY.
1) Turn the ignition switch to ON.
2) Measure the voltage between sub fan relay 
terminal and chassis ground.
Connecto