1. Connect battery positive voltage to blower motor terminal A, connect terminal B to ground, and then verify its operation.

If there is any malfunction, replace the blower motor.
Blower Motor Inspection [Full Auto Air Conditioner]
Blower Motor Installation [Full Auto Air Conditioner]Winter driving tips
When operating the Subaru Solterra in winter conditions, it is essential
to carry out thorough preparation and regular inspections before driving. Always
adapt your driving style to current weather and road conditions to ensure maximum
safety, efficiency, and vehicle performance.
Pre-winter p ...
ABS HU/CM Inspection
1. Disconnect the ABS HU/CM connector..
2. Connect the negative battery cable..
3. Attach the tester lead to the ABS HU/CM wiring harness-side connector and
inspect the voltage, continuity, or resistance according to the standard (reference
value) in the table below.
Standard (reference)
...
SRS airbags
The SRS airbag system in the Subaru Solterra is engineered to deploy
during specific types of severe impacts that may otherwise cause serious harm to
vehicle occupants. These advanced airbags function in combination with seat belts
to significantly reduce the risk of fatal or severe injuries.
...