CAUTION:
Inspect the brake switch with it installed to the brake pedal, otherwise the brake switch may not operate normally. If the brake switch is removed from the brake pedal, replace the brake switch with a new one.
1. Remove the lower panel..
2. Remove the front heat duct (LH)..
3. Disconnect the brake switch connector.
4. Verify that the continuity is as indicated in the table.

If not as indicated in the table, replace the brake switch..

Brake Fluid Level Sensor Inspection
Turbine/Input Shaft Speed Sensor, Output Shaft Speed Sensor [Fw6 A EL, Fw6 Ax
EL]Fuel and Engine Exhaust Precautions
Fuel Requirements
Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL,
which will reduce exhaust emissions and keep spark plug fouling to a minimum.
Your Mazda will perform best with fuel listed in the table.
Fuel with a rating lower than 87 octane (91 RON) could ...
Air Fuel Ratio (A/F) Sensor
Purpose/Function
Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust
gas as basic information for mainly determining the fuel injection amount.
Detects the oxygen concentration (all-range air/fuel ratio) in the exhaust
gas and inputs it to the PCM as an ox ...
M Position Switch [Fw6 A EL, Fw6 Ax EL]
Purpose/Function
The M position switch detects that the selector lever is in the M position.
The M position switch signal is sent to the TCM via CAN, and is used for
manual shift control and engine-transaxle integration control.
Construction
The M position switch is in ...