Drive Cycle F

Make sure that the battery voltage is more than 10.9 V.
Drive the vehicle at 80 km/h (50 MPH) for 20 minutes, and then idle the engine for a minute.
Read the current data of engine using Subaru Select Monitor. Make sure that the item of evaporative emission purge control system is displayed as "Completed". < Ref. to READ CURRENT DATA FOR ENGINE. (OBD MODE) , OPERATION, Subaru Select Monitor. >
Drive down for difference of elevation of 52 m (164 ft) within 80 seconds. (Ex: Drive down a incline with grade of 6% at 40 km/h (25 MPH).)
Repeat the step 4 for five times.
NOTE:
- Do not drive at than 68 km/h (42 MPH) in step 4 and 5.
- Do not disconnect the terminal of battery during diagnosis. (If disconnecting the terminal of battery, the data will be cleared.)
- Do not perform the Clear Memory in diagnosis. (If the Clear Memory is performed, the data will be cleared.)

DTC REFERENCE

DTC	Item	Condition
P1448	Fuel Tank Sensor Control Valve Range/Performance	-