1. Disconnect the brake fluid level sensor connector from the master cylinder.
2. Inspect for continuity according to fluid level between the brake fluid level sensor terminals.

If not as indicated in the table, replace the reserve tank.

Brake Switch InspectionClutch Pedal Removal/Installation [C66 M R]
CAUTION:
Secure the steering wheel using tape or a cable to prevent the steering shaft
from rotating after disconnecting the steering shaft. If the steering wheel
rotates after the steering shaft and the steering gear and linkage are disconnected,
the internal parts of the clock spr ...
Shift-Lock Override
If the selector lever will not move from P
using the proper shift procedure, continue
to hold down the brake pedal.
Remove the shift-lock override cover
using a cloth-wrapped flat head
screwdriver.
Insert a screwdriver and push it down.
Press and hold the lock-release button.
...
Afs (Adaptive Front Lighting System) Off Switch Inspection
1. Disconnect the negative battery cable..
2. Remove the AFS OFF switch..
3. Verify that the continuity between the AFS OFF switch terminals is as indicated
in the table.
If the continuity is not as indicated in the table, replace the AFS OFF switch.
4. Apply battery po ...