1. Remove the upper panel..
2. Disconnect the parking brake switch connector.
3. Verify that the continuity is as indicated in the table.

If not as indicated in the table, replace the parking brake lever.

Parking Brake Lever Removal/InstallationPKSB (Parking Support Brake)
The Subaru Solterra PKSB (Parking Support Brake) system is engineered
to assist the driver during low-speed maneuvers, such as parking, by issuing warnings
and automatically applying braking force to help reduce potential collision damage
with detected obstacles.
PKSB (Parking Support Brake) ...
Electrical System
Electrical Parts
Battery cable
Before disconnecting connectors or removing electrical parts, disconnect
the negative battery cable.
Wiring Harness
To remove the wiring harness from the clip in the engine room, pry up the
hook of the clip using a flathead screwdriver. ...
Cruise Control Switch Inspection [Mzr 2.3 Disi Turbo]
1. Remove the battery cover..
2. Disconnect the negative battery cable and wait for 1 min or more..
3. Remove the driver–side air bag module..
4. Disconnect the clock spring connector (part wiring harness-side).
5. Measure the resistance between clock spring terminals K and M (part wiring ...