Mazda 3 Owners Manual: Vehicle Engine Control Unit Reset Procedure
NOTE This procedure is intended for vehicles with the engine oil flexible maintenance setting selected.
After replacing the engine oil, have a repair shop such as an Authorized Mazda Dealer perform the initialization (engine oil data resetting) of the recorded value. If the value recorded by the computer is not initialized, the wrench indicator light may not turn off or it may turn on earlier than normal.
NOTE The initialization (engine oil data resetting) of the recorded value can be performed using the following procedure:
- Switch the ignition OFF.
- Switch the ignition ON with the selector pressed, and press and
hold the selector for
about 5 seconds until the master warning light
flashes.
- After the master warning light
flashes for several seconds,
the initialization is completed.
Recommended Oil
U.S.A., Canada, and Puerto Rico
Use SAE 0W-20 engine oil.
Mazda Genuine Oil is used in your
Mazda vehicle. Mazda Genuine 0W-20
Oil is required to achieve optimum fuel
economy.
For maintenanc ...
Inspecting Engine Oil Level
Be sure the vehicle is on a level
surface.
Warm up the engine to normal
operating temperature.
Turn it off and wait at least 5 minutes
for the oil to return to the oil pan.
Pull out the ...
Other materials:
Forward Sensing Camera
(FSC)
Your vehicle is equipped with a Forward Sensing Camera (FSC). The Forward
Sensing
Camera (FSC) is positioned near the rearview mirror and used by the following
systems.
High Beam Control System (HBC)
Lane Departure Warning System (LDWS)
The Forward Sensing Camera (FSC) determines t ...
Airflow Mode Actuator Inspection [Full Auto Air Conditioner]
CAUTION:
If the lever position exceeds the operation range shown in the figure, the
circuit in the actuator could be damaged. Always perform an actuator operation
inspection with the lever movement within the range shown in the figure.
1. Connect battery positive voltage to airfl ...
Engine Coolant Temperature (ECT) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
WARNING:
When the engine is hot, it can badly burn. Turn off the engine and wait until
it is cool before removing the ECT sensor.
ECT Sensor No.1
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant..
4. Remove the battery and b ...
