Intake And Aqs Check - Hyundai Tiburon 2003 Workshop Manual

INTAKE AND AQS CHECK

In turning on IG and selecting outdoor mode with indoor switch, 12V is outputted from FATC connector A-23 terminal, 0V is
supplied for A-10 terminaland motor works in direction of outdoor. In selecting indoor mode with indoorswitch, 12V is
outputted from FATC connector A-10 terminal, 0V is supplied for A-23 terminal and motor works in direction of indoor.
ERROR DIAGNOSTICS
Symptoms
Outdoor mode running error
Indoor mode running error
Fixed in outdoor or indoor mode at
AQS selection
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Causes
Power supply error in actuator
Power supply error in actuator
AQS signal terminal output error
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How to check
Separate connector linked with actuator,
select outdoor mode with indoor switch
and measure voltage of FATC
connector A-23 terminal. If 8V and
more, check actuator or wiring state and
if 9V and less, check the inside of
controller.
Select indoor mode in the above method
and measure voltage of FATC
connector A-10 terminal. If 8V and
more, check actuator or wiring state and
if 9V andless, check the inside of
controller
Select AQS switch and measure AQS
signal terminal as shown in the above
figure. If there is no change of voltage
over 10 min, check AQS.
24.04.2008