Idle Speed Control Actuator (ISCA): Notes
WARNING: This page is about a different car, the 2005 Hyundai Accent and 2004 Hyundai Accent. However, it is still accessible from the selected car via links, so may be relevant.
The idle speed actuator is a double coil type driven by separate driver stages in the ECM. Depending on the pulse duty factor, the equilibrium of the magnetic forces of the two coils will result in different angles of the motor. A bypass hose line is positioned, in parallel to the throttle valve where the idle speed actuator is inserted.