1. Disconnect the negative battery cable..
2. Disconnect the connector..
3. Verify the resistance between bass-box terminals.

If not within the specification, replace the bass-box.

0.9—1.1 ohms
Auxiliary Jack/Usb Port Removal/Installation
Bass Box Removal/InstallationOn Board Diagnostic System PID/Data Monitor Inspection [FS5 A EL]
NOTE:
The PID data screen function is used for monitoring the calculated value
of input/output signals in the module. Therefore, if the monitored value of
the output parts is not within the specification, it is necessary to inspect
the monitored value of input parts corresponding to ...
Control Switches
AUTO switch
By pressing the AUTO switch the
following functions will be automatically
controlled in accordance with the selected
set temperature:
Airflow temperature
Amount of airflow
Selection of airflow mode
Outside/Recirculated air selection
Air conditioner operation
NOTE
AUTO ...
For your information
Main Owner's Manual
This comprehensive Owner’s Manual for the Subaru Solterra has been carefully
designed to cover the full range of models, trims, and available equipment, including
optional features that may not be installed on your specific vehicle. As a result,
you may encounter descrip ...