1. Disconnect the brake fluid level sensor connector from the master cylinder.
2. Inspect for continuity according to fluid level between the brake fluid level sensor terminals.

If not as indicated in the table, replace the reserve tank.

Brake Switch InspectionVariable Intake Air Solenoid Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the variable intake air solenoid valve..
4. Inspect airflow between the ports under the following conditions.
If not as specified, replace the variable intake air solenoid val ...
PKSB (Parking Support Brake)
The Subaru Solterra PKSB (Parking Support Brake) system is engineered
to assist the driver during low-speed maneuvers, such as parking, by issuing warnings
and automatically applying braking force to help reduce potential collision damage
with detected obstacles.
PKSB (Parking Support Brake) ...
Glass Antenna Inspection
4SD
1. Disconnect the negative battery cable..
2. Disconnect the antenna amplifier connector B..
3. Disconnect the antenna feeder No.3 connector C. (with audio unit (with display)).
4. Inspect the glass antenna for damage visually.
5. Inspect for continuity between the glass antenna termin ...