SsangYong Korando III (2010 year). Service manual — part 570

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2) Interior Layout

Sun load sensor

It is mounted to the upper left-
hand of the instrument panel and
detects the sun-load enters to the
interior through the windshield
with a photo diode.

Incar sensor

It is mounted to the rear of the
heater and A/C control panel
(with FATC) and detects the
interior air temperature drawn
through the senor inlet.

Air conditioner module

It is mounted to inside of the
instrument panel and has the
evaporator core, heater core,
PTC heater and corresponding
actuator and different sensors.

Heater & A/C control assembly

With FATC

With MTC

It falls in to two categories; FATC (Full Automatic Temperature Control) and MTC (Manual Temperature
Control), which controls the air conditioning system's operation.

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Intake sensor

It is mounted to the side of
evaporator core and detects the
temperature of the evaporator
core.

Water temperature

sensor

It is mounted to the heater pipe
part and detects the coolant
temperature.

3) Air Conditioner Module Layout

Temp actuator

It changes the air mix door
opening according to the
control command from the
heater and A/C control
assembly.

Evaporator core

It cools the surrounding air by
passing through the low-
temperature and low-pressure
refrigerant sprayed from the
expansion valve.

Heater core

It is mounted to the left-hand of
the air conditioner module and
heats the indoor using the heat
of the engine coolant.

Mode actuator

It controls the air outlet damper
to the five directions according
to the control command from
the heater and A/C control
assembly.

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Blower motor

It is mounted to the bottom of
the blower box and sends the
air inside of the vehicle.

PTC heater

It is mounted to the heater air
outlet in the heater module
and warms the air from the
heater to the air vent.

Intake actuator

It changes the air source selection
mode according to the control
command from the heater and A/C
control assembly.

A/C filter

It is mounted to the top of the
blower motor and filters the air
before it is discharged through
the duct.

MOS module

It controls the rotation speed of
the blower motor by receiving the
fan speed control signal from the
heater and A/C control assembly.

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3. FATC SYSTEM OPERATION PROCESS

1) Input/Output Factors

FATC (Full Automatic Temperature Control) is a temperature control device which receives signals from

various sensors (interior temperature sensor, ambient temperature sensor, water temperature sensor,

sun-load sensor) and control switches to control the blower motor and all kinds of actuator (mode door

actuator, mix door actuator, air source door actuator) through MICOM in the FATC, therefore, the interior

temperature of the vehicle is kept to the temperature which is set by a driver. The driver can check the

status of A/C through the LCD display of the A/C control assembly. The fan speed and the temperature

are adjusted automatically by the input values from different sensors to keep indoor air fresh. If the FATC

system has any defect, the self-diagnosis is used for the system to make it easier to detect the fault.