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 InspectionBlower Motor Removal [Full Auto Air Conditioner]
NOTE:
The blower motor is located on the A/C unit as shown in the figure.
Perform the work from the front passenger side in the posture shown in the
figure.
1. Set the air intake mode to FRESH.
2. Disconnect the negative battery cable.
3. Remove the following ...
Starter Cut Relay Inspection [MTX]
Advanced Keyless Entry And Push Button Start System Only
1. Disconnect the negative battery cable.
2. Remove the following parts:
a. Front scuff plate (LH).
b. Front side trim (LH).
c. Side wall.
d. Console.
3. Set the bonnet release lever out of the way..
4. Remove the lower panel.. ...
Camshaft Position (CMP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
CAUTION:
When replacing the CMP sensor, make sure there is no foreign material on
it such as metal shavings. If it is installed with foreign material, the sensor
output signal will malfunction resulting from fluctuation in magnetic flux and
cause a deterioration in engine control.
...