1. Disconnect the negative battery cable..
2. Remove the center panel..
3. Verify that the continuity between the hazard switch terminals is as indicated in the table.

If not as indicated in the table, replace the hazard warning switch.

4. Apply battery voltage to hazard switch terminal A, and connect terminal F to ground.
5. Verify that the LED illuminates.
If there is any malfunction, replace the hazard warning switch.
Front Fog Light Switch Inspection
Hazard Warning Switch Removal/InstallationSpecifications
Engine
Electrical System
*1 Q-85 is designed for i-ELOOP system. Only Q-85 should be used to ensure
correct operation of i-ELOOP
system. Consult an Authorized Mazda Dealer for details.
*2 Not for i-ELOOP system.
*3 This spark plug provides the SKYACTIV-G engine with optimum perfor ...
Mass Air Flow (MAF) Sensor Inspection [Mzr 2.0, Mzr 2.5]
Visual Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the MAF/IAT sensor connector.
4. Remove the MAF/IAT sensor..
5. Visually inspect the MAF/IAT sensor for the following:
Damage, cracks, soiling
Rusted sensor terminal
...
Variable Tumble Shutter Valve Switch Inspection [Mzr 2.0, Mzr 2.5]
Voltage Inspection
NOTE:
The variable tumble shutter valve switch cannot be removed as a single unit.
When replacing the variable tumble shutter valve switch, replace it together
with the intake manifold as a single unit.
1. Connect the M-MDS to the DLC–2.
2. Switch the ...