Mazda CX-5 Service & Repair Manual: Heater Core
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]
Outline
Based on the control of the HO2S heater, a stabilized oxygen concentration
is detected even at low exhaust temperatures, and feedback control of fuel injection
even at cold engine ...
Heater Core Inspection
1. Inspect the heater core for damage, cracks, and water leakage.
If there is any malfunction, replace the heater core.
2. Visually inspect the fins for bending.
If there is any ...
Other materials:
Side Turn Light Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Outer mirror glass.
b. Upper outer mirror garnish.
c. Side turn light.
3. Apply battery voltage to side turn light terminal A, and connect terminal
B to ground.
4. Verify that the LED illuminates.
...
Air Cleaner
Purpose, Function
Prevents engine internal damage caused by penetration of dust or foreign
material.
Construction
The air cleaner is installed in front of the battery.
The air cleaner consists of the air cleaner case, air cleaner cover, and
air cleaner element ...
Thermostat Inspection
1. Remove the thermostat..
2. Visually check that the thermostat valve is closed.
3. Place the thermostat in water.
WARNING:
During inspection, the thermostat and water are extremely hot and can cause
severe burns. Do not touch the thermostat and water.
4. Heat the water and c ...
