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 ...
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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
...
Hole Cover Removal/Installation
With Car-navigation system
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Upper column cover.
b. Instrument cluster.
c. Center panel.
d. Center cover.
e. Dashboard upper panel.
f. Multi information display.
3. Pull the hole cover in the direction of arr ...
Cargo Compartment Light Inspection
1. Disconnect the negative battery cable..
2. Remove the cargo compartment light..
3. Verify that the continuity between the cargo compartment light terminals is
as indicated in the table.
If not as indicated in the table, inspect the bulb. If there is no malfunction,
replace th ...