Hyundai Tiburon 2003 Workshop Manual page 614

MODE: Manual selection is enabled.
INTAKE door: At AUTO control or at manual selection mode.
Blower speed: Manual selection is enabled (No re-entry).
Electromotive In order to prevent hot air from the VENT or B/L in AUTO mode (A/C on
cooling control mode), the blower speed will be operated at LOW for approx. 9 seconds
before enteringthe AUTO control if the EVAP sensor detection is
temperature 30° C or higher.
MAX HOT If the above condition is satisfied, electromotive cooling control will
operate at any time.
Air Quality The AQS system will detect the hazardous elements and odors
System (AQS) contained in the air.If the harmful element concentration is higher than
standard, the system willoutput a LOW signal (0V) to the FATC.
If the concentration is within the standard value, the system will output a
HI signal(3V) the FATC.
Corresponding to the signal from the AQS, it will control the INTAKE
door as follows toprevent the inflow of harmful gas in FATC :
Condition : INTAKE door position
LOW : REC
HI : FRE
Initialization When supplying the initial power, it will operate in the initial condition.
Upon battery-on
Memory When removing the ignition key, it will store FATC's operating condition.
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will apply the substitute
value, 20° C).
• After pressing blower
switch when water
temperature sensor
detectionis 58° C or
higher
• In pressing MODE
switch.
• In Upon pressing DEF
switch.
- When the initial battery
connection and ignition is
ON, it will operate at
AUTO mode. (AQS will
not operate).
- When IGN 2 ON, the
AQS assembly will be
preheated for 34.5 ±
5seconds.During the
preheating, AQS will
output 0V (ground). (REC
mode)
- IGN 2 ON: It will check
circuit break on the AQS
assembly's signal line for
approx. 7 seconds during
the preheating,
irrespective to the AQS
switch condition.
- When AQS is selected
prior to IGN2 OFF and
IGN2 is turned OFF →
ON: AQS indicator will
come on, and the system
will operate at AQS
mode. (Storethe previous
condition before IGN 2
OFF)
- When the initial ignition
ON after battery
connection, the
systemwill operate at the
set temperature 25° C
and at AUTO mode.
- When IGN ON after IGN
OFF during FATC
operation, the system
willoperate at the
previous before the
ignition off.
24.04.2008