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]If the EV system will not start
If your Subaru Solterra does not power on as expected, the underlying
cause can vary depending on environmental conditions, system status, or component
functionality. Carefully review the following scenarios and apply the appropriate
solution to restore operation safely and efficiently.
The E ...
Automatic air conditioning system
In the Subaru Solterra, the automatic air conditioning system intelligently
regulates airflow distribution and fan speed in real time, ensuring that the interior
climate remains consistent with the selected temperature settings for maximum comfort
and efficiency.
Air conditioning controls
...
Home screen
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Function
Applications
Information such as average fuel economy, maintenance, and warnings can
be verified.
Depending on the grade and specification, the screen display may
differ.
Entertainment
Operates audio such as the radio ...