P1190 HYUNDAI, KIA: INPUT THROTTLE ACTUATOR MALFUNCTION
POST UPDATED IN June, 2023
P1190 HYUNDAI, KIA: INPUT THROTTLE ACTUATOR MALFUNCTION
The throttle actuator installed on modern vehicle systems is fully computerized (wireless). It is used to control or regulate the amount of air flowing to the engine through the driver’s accelerator pedal.
When the flaps in the inlet passage are actuated, the passage in the cylinder inlet valve is usually narrowed and this action reduces the airflow. The flaps in the intake passage are controlled by the intake throttle actuator. The duty cycle for the inlet passage closure is switched on and off utilizing the inlet passage closure function switch.
If factors such as engine speed and demand quantity plus low idle speed governor exceed the permissible levels, the MAF Sensor signal must be above a threshold. If not, it would be recognized as a “closed cap locked” error. If the engine speed and duty cycle exceed certain thresholds, the digital closed input step switch must be activated. This situation is recognized as a “flap locked open” error.
DTC P1190 OBDII is set on Hyundai and Kia vehicles when the erratic operation of the throttle input actuator is discovered.
The factors for which the P1190 OBD2 diagnostic code is stored are:
The corresponding steps to resolve the P1190 OBDII fault code are: