1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the tweeter..
4. Verify the resistance between tweeter terminals.

If not within the specification, replace the tweeter.

Without Bose®: 3.4—4.6 ohms
With Bose®: 3.06—3.74 ohms
Supplier Identification Procedure [Audio]
Tweeter Removal/InstallationRadar Sensors (Rear)
The radar sensors (rear) for the rear vehicle monitoring system are equipped
inside the rear
bumper, one each on the left and right sides.
Sedan
Hatchback
The surface area of the rear bumper near the radar sensors (rear) should
always be clean so
that the rear vehicle monitoring sys ...
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)
...
If you think something is wrong
If you observe any unusual behavior while operating your Subaru Solterra,
it may indicate that the vehicle requires inspection, adjustment, or repair. Promptly
contacting an authorized SUBARU dealer is strongly recommended to ensure continued
safety and reliability.
Visible symptoms
Fluid ...