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 InspectionFront Outer Handle Removal/Installation
1. Perform the front door glass preparation..
2. Disconnect the negative battery cable..
3. Remove the following parts:
a. Inner garnish.
b. Front door trim.
c. Front door glass.
d. Front door module panel.
e. Front door key cylinder.
4. Disconnect the keyless antenna connector (With ...
Climate Control Unit Inspection [Manual Air Conditioner]
1. Remove the climate control unit with the connector connected..
2. Switch the ignition ON (engine off or on).
3. Connect the negative (-) lead of the tester to the body ground.
4. By inserting the positive (+) lead of the tester into the climate control
unit connector, measure the voltage ...
Outer Mirror Glass Inspection
Heated Outer Mirror
1. Disconnect the negative battery cable..
2. Remove the outer mirror glass..
3. Verify that the resistance and continuity between the heated outer mirror
terminals is as indicated in the table.
If not as indicated in the table, or if the resistance is not with ...