If any of the following warning lights turns on, the system may have a malfunction. Stop the vehicle in a safe place immediately and contact an Authorized Mazda Dealer.



If a Warning Light Turns On or Flashes
Contact Authorized Mazda Dealer and Have Vehicle InspectedAir Fuel Ratio (A/F) Sensor Inspection [Mzr 2.0, Mzr 2.5]
A/F Sensor Inspection
1. Connect the M-MDS to the DLC-2.
2. Switch the ignition to ON.
3. Warm up the engine to normal operating temperature.
4. Access the following PIDs using the M-MDS..
VSS (Vehicle speed)
RPM (Engine speed)
O2S11 (A/F sensor output current)
...
Control Switches
Temperature control dial
This dial controls temperature. Turn it
clockwise for hot and counterclockwise
for cold.
Fan control dial
The fan has seven speeds.
AUTO position
The amount of airflow will be
automatically controlled in accordance
with the set temperature.
Except AUTO position
Th ...
Boost Air Temperature Sensor Inspection [Mzr 2.3 Disi Turbo]
Resistance Inspection
NOTE:
Because the boost air temperature sensor is integrated in the MAP sensor,
replacing the boost air temperature sensor includes replacement of the MAP sensor/boost
air temperature sensor.
1. Remove the battery cover..
2. Disconnect the negative batter ...