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 InspectionElectric Variable Valve Timing Motor/Driver Inspection
WARNING:
A hot engine can cause severe burns. Turn off the engine and wait until it
is cool before servicing.
CAUTION:
Do not disassemble the electric variable valve timing motor/driver because
it is a precision unit.
Do not apply excessive force when rotating the ...
Intake Manifold Vacuum Inspection
1. Disconnect the evaporative hose No.3 (purge solenoid valve side) and install
the vacuum gauge..
2. Verify that the intake air hoses are installed securely.
3. Warm up the engine.
4. Measure the intake manifold vacuum while idling (no load) using the vacuum
gauge.
If not within t ...
Start Stop Unit Removal/Installation
CAUTION:
If configuration is not performed when the start stop unit is replaced with
a new one, the vehicle specification information is not stored in the start
stop unit and the system will not operate normally.
When performing configuration, it is necessary to read the vehicl ...