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:
Liftgate Latch Switch
Purpose, Function
The switch turns on/off in conjunction with the rotation of the latch lever,
and it detects the open/closed condition of the liftgate by the voltage value
which is changed by the rear body control module (RBCM).
Construction
The switch is turned on/off by ...
Charging System Warning Light
Purpose, Function
Warns the driver of a charging system malfunction.
Construction
The charging system warning light is built into the instrument cluster..
Operation
Illuminates when a malfunction occurs in the charging system and DTCs is
stored in the PCM.
...
Lights On Indicator Light
Purpose
Notifies the user that the TNS or the headlights (LO) are on.
Function
Illuminates when the illumination conditions for the TNS, headlights (LO),
or parking lights are met.
When the instrument cluster receives the TNS malfunction signal sent via
CAN communic ...
