Purpose
The heater core heats passing air.
Function
A portion of the engine coolant is taken into the heater core to heat the air passing through the heater core.

Construction
The heater core consists of a tube which passes engine coolant, and the heat radiation fin.

Operation
The engine coolant warmed by the engine heat is sent to the heater core.
The air blown by the blower motor is warmed up by heat exchange when it passes through the heat radiation fin of the heater core.

Fail-safe
Function not equipped.
Heated Oxygen Sensor (HO2 S) Heater Control [Skyactiv G 2.0]
Heater Core InspectionFog Lights
Use this switch to turn on the fog lights.
The fog lights will improve visibility at night and during foggy conditions.
To turn the fog lights on, rotate the fog light switch to the
position.
The headlight switch must be in the
position before turning on the fog lights.
To turn the fog lig ...
Rear Drive Shaft Inspection
1. Inspect each connecting part for looseness.
Tighten or replace parts if necessary.
2. Inspect the dust boot on the drive shaft for cracks, damage, leaking grease,
and looseness in the boot band.
3. Inspect the drive shaft for bends, cracks, and wear in the joints or ...
Money-Saving Suggestions
How you operate your Mazda determines how far it will travel on a tank of fuel.
Use these suggestions to help save money on fuel and repairs.
• Avoid long warm-ups. Once the engine
runs smoothly, begin driving.
• Avoid fast starts.
• Keep the engine tuned. Follow the maintenance
sched ...