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 InspectionStarting the Engine
WARNING
Radio waves from the key may affect medical devices such as pacemakers: Before
using the key near people who use medical devices, ask the medical device manufacturer
or your physician if radio waves from the key will affect the device.
NOTE
• The key must be carried because the
ke ...
Engine Coolant Temperature (ECT) Sensor Inspection
Resistance Inspection
WARNING:
When the engine is hot, it can badly burn. Turn off the engine and wait until
it is cool before removing the ECT sensor.
ECT Sensor No.1
1. Remove the ECT sensor No.1..
2. Place the ECT sensor No.1 in water with a thermometer, and heat the water
...
Planetary Gear [Fw6 A EL, Fw6 Ax EL]
Purpose/Function
The planetary gear is a mechanism which shifts the drive force from the engine.
The planetary gear consists of multiple gears which rotate individually while
revolving. By controlling the individual rotation and revolving of the gears,
the transaxle performs gear shi ...