Legacy Outback Limited AWD F4-2.5L DOHC (1998)
Radiator Cooling Fan Motor: Testing and Inspection
Radiator Main Fan Without AC
Radiator Main Fan
A: OPERATION (WITHOUT A/C MODEL)
DETECTING CONDITION:
-
Engine coolant temperature is above 95°C (203° F).
TROUBLE SYMPTOM:
-
Radiator main fan does not operate under the above condition.
1A1: CHECK POWER SUPPLY TO MAIN FAN MOTOR.
CAUTION: Be careful not to overheat engine during repair.
1) Turn ignition switch to OFF.
2) Disconnect connector from main fan motor.
3) Start the engine, and warm it up until engine coolant temperature increases over 95°C (203°F).
4) Stop the engine and turn ignition switch to ON.
5) Measure voltage between main fan motor connector and chassis ground.
Connector & terminal
(F17) No.2 (+) Chassis ground (-):
(CHECK) Is voltage more than 10 V?
(YES) Go to step 1A2.
(NO) Go to step 1A6.
1A2:
CHECK POWER SUPPLY TO MAIN FAN MOTOR.
Measure voltage between main fan motor connector and chassis ground.
Connector & terminal
(F17) No.3 (+) Chassis ground (-):
(CHECK) Is voltage more than 10 V?
(YES) Go to step 1A3.
(NO) Go to step 1A6.
A3: CHECK GROUND CIRCUIT OF MAIN FAN MOTOR.
1) Turn ignition switch to OFF.
2) Measure resistance between main fan motor connector and chassis ground.
Connector & terminal
(F17) No.1 - Chassis ground:
