Airflow Inspection
1. Remove the vacuum hose..
2. Blow air into the vacuum hose using your mouth from the vacuum pump side and verify that the air flows to the intake manifold side, then blow air from the intake manifold side and verify that the air does not flow to the vacuum pump side.

If there is any malfunction in the check valve, replace it with the vacuum hose as a single unit..
Air Bypass Valve Inspection [Mzr 2.3 Disi Turbo]
Compression Inspection [Mzr 2.0, Mzr 2.5]Wheel Unit ID Registration
NOTE:
After the wheel unit replacement, registration of the wheel unit identification
codes must be performed.
ID registration can be done using the M-MDS, or not using the M-MDS.
Using M-MDS
1. Connect the M-MDS to DLC-2.
2. After the vehicle is identified, select th ...
If your vehicle overheats
If the message "EV System overheated Output power reduced" appears
on the multi-information display of your Subaru Solterra, it indicates that the
system temperature has risen beyond optimal limits and immediate action is required
to prevent potential damage.
NOTICE
■ Cooling system coolan ...
Checking Tire Pressure
When you check the air pressure, make sure the tires are cold —meaning
they are not hot
from driving even a mile.
Remove the cap from the valve on one tire.
Firmly press a tire gauge onto the valve.
Add air to achieve recommended air pressure.
If you overfill the tire, release air ...