1997 SUBARU LEGACY Service Repair Manual

Page 2249 of 3342

SUBARU LEGACY 1997  Service Repair Manual OBD0535
10CT6CHECK MAIN FAN RELAY 1, SUB FAN
RELAY 1 AND MAIN FAN RELAY.
1) Turn ignition switch to OFF.
2) Measure resistance between main fan relay 1 termi-
nals. (With A/C models only)
: Terminal
N

Page 2250 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M0609A
10CT7CHECK OPEN CIRCUIT IN RADIATOR
FAN RELAY 1 CONTROL CIRCUIT.
1) Disconnect connector (F40) from fuse and relay box
(F/B).
2) Measure resistance of harness between ECM and main
fan relay 1

Page 2251 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M0610A
3) Measure resistance of harness between ECM and sub
fan relay 1 (with A/C models) or main fan relay (without A/C
models) connector.
: Connector & terminal
(B84) No. 74—(F40) No. 4:
Is the

Page 2252 of 3342

SUBARU LEGACY 1997  Service Repair Manual OBD0538
CU: DTC P1502
—RADIATOR FAN FUNCTION PROBLEM—
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
TROUBLE SYMPTOM:
Occurrence of noise
Overheating
WIRING DIAGRAM:
B2M1290

Page 2253 of 3342

SUBARU LEGACY 1997  Service Repair Manual CAUTION:
After repair or replacement of faulty parts, conduct
CLEAR MEMORY and INSPECTION MODES.
<Ref. to 2-7 [T3D0] and [T3E0].>
NOTE:
If the vehicle, with the engine idling, is placed very close to

Page 2254 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M1140
CV: DTC P1507
—IDLE CONTROL SYSTEM MALFUNCTION
(FAIL-SAFE)—
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
TROUBLE SYMPTOM:
Engine keeps running at higher revolution

Page 2255 of 3342

SUBARU LEGACY 1997  Service Repair Manual 10CV1
CHECK DTC P0505 ON DISPLAY.
: Does the Subaru select monitor or OBD-II
general scan tool indicate DTC P0505?
: Inspect DTC P0505 using“10. Diagnostics Chart
with Trouble Code”. <Ref. to 2-7

Page 2256 of 3342

SUBARU LEGACY 1997  Service Repair Manual B2M1141
CW: DTC P1520
—RADIATOR FAN RELAY 1 CIRCUIT HIGH
INPUT—
DTC DETECTING CONDITION:
Two consecutive driving cycles with fault
TROUBLE SYMPTOM:
Radiator fan does not operate properly.
Overh