1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front scuff plate (Driver‘s side).
b. Front side trim (Driver‘s side).
c. Hood release lever.
d. Lower panel.
e. Column cover.
f. Wiper and washer switch.
3. Verify that the continuity between the rear wiper and washer switch terminals is as indicated in the table.

If not as indicated in the table, replace the wiper and washer switch.

Wipers, Washers
Windshield Wiper And Washer Switch InspectionClock Spring Inspection [Two Step Deployment Control System]
1. Disconnect the negative battery cable..
2. Remove the driver–side air bag module..
3. Remove the steering wheel..
4. Remove the column cover.
5. Remove the clock spring..
6. Verify that the continuity is as indicated in the table.
If not as indicated in the table, replace the ...
Purge 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 purge solenoid valve..
4. Inspect airflow between the ports under the following conditions.
Measured condition
Continuity between A—B
...
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
...