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 InspectionAfter Service Precaution [Mzr 2.0, Mzr 2.5]
WARNING:
Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious
injuries or death and damage. When installing the fuel hose, perform “Fuel Leakage
Inspection” described below.
A person charged with static electricity could cause a fire or explosion,
...
Relay Inspection [Skyactiv G 2.0]
Relay Type
Connector type
Part name
Type A
Front fog light relay
Headlight relay (HI)
Headlight relay (LO)
Horn relay
TNS relay
A/C relay
Start ...
Front Stabilizer Removal/Installation [Mzr 2.3 Disi Turbo]
1. Remove the joint cover..
2. Disconnect the steering shaft from the steering gear and linkage..
3. Remove the front crossmember component..
4. Remove in the order indicated in the table.
5. Install in the reverse order of removal.
6. Inspect the wheel alignment and adjust it if necessary ...