CAUTION:
Inspect the brake switch with it installed to the brake pedal, otherwise the brake switch may not operate normally. If the brake switch is removed from the brake pedal, replace the brake switch with a new one.
1. Disconnect the brake switch connector.
2. Verify that the continuity is as indicated in the table.

If not as indicated in the table, replace the brake switch.

Brake Fluid Level Sensor Inspection
Input/Turbine Speed Sensor Inspection [FS5 A EL]Generator Inspection [Mzr 2.0, Mzr 2.5]
CAUTION:
Do not apply direct battery positive voltage to generator terminal D, otherwise
it could cause damage to the internal parts (power transistor) of the generator.
Generator Warning Light
1. Verify that the battery is fully charged.
2. Verify that the drive belt is correct. ...
Input/Turbine Speed Sensor Inspection [FS5 A EL]
CAUTION:
Water or foreign objects entering the connector can cause a poor connection
or corrosion. Be sure not to drop water or foreign objects on the connector
when disconnecting it.
On-Vehicle Inspection
1. Perform the following procedures.
a. Remove the battery cover..
b. ...
If the 12-volt battery is discharged
If the 12-volt battery in your Subaru Solterra becomes discharged,
specific procedures can be followed to restore power and restart the EV system safely.
These steps are designed to help you regain functionality in emergency situations
without causing damage to the vehicle’s electrical syste ...