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 InspectionIf a Warning Light Turns On or Flashes
If any warning light turns on/flashes, take appropriate action for each
light. There is no
problem if the light turns off, however if the light does not turn off or turns
on/flashes again,
consult an Authorized Mazda Dealer.
(Vehicles with type B audio)
The warning contents can be verified o ...
Automatic Transaxle Fluid (ATF) Replacement [FS5 A EL]
WARNING:
A hot transaxle and ATF can cause severe burns. Turn off the engine and wait
until they are cool before changing the ATF.
1. Drain the ATF.
a. Remove the oil dipstick.
b. Remove the aerodynamic under cover NO.2..
c. Remove the drain plug and washer to drain the ATF in ...
Air Intake Actuator Removal/Installation [Full Auto Air Conditioner]
1. Set the air intake mode to FRESH.
2. Disconnect the negative battery cable..
3. Remove the following parts:
a. Front scuff plate (Passenger-side).
b. Front side trim (Passenger-side).
c. Dashboard under cover.
d. Glove compartment.
e. Lower panel (Passenger-side).
f. Shower duct ( ...