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:
Power Steering
Power steering is only operable when
the engine is running. If the engine is
off or if the power steering system is
inoperable, you can still steer, but it
requires more physical effort.
If the steering feels stiffer than usual
during normal driving or the steering
vibrates, consult ...
EGR Valve Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the EGR valve connector.
4. Measure the resistance between the EGR valve terminals.
EGR valve terminal
Resistance inspection (ohm)
...
No.1 Car Navigation System Does Not Start Operation [Car Navigation System]
1
Even if the NAVI mode is selected, the car-navigation system screen does
not display.
Possible DTC
—
POSSIBLE CAUSE
NAVI button malfunction
Power supply fuse (+B, ACC) burnt out
...