KIA Niro: Intake Air Temperature Sensor (IATS)

Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Engine Control / Fuel System / Engine Control System / Intake Air Temperature Sensor (IATS)

Specification

Description

Description

Mounted inside the Manifold Absolute Pressure Sensor, Intake Air Temperature Sensor (IATS) detects
the intake air temperature.

To precisely calculate the amount of air, correction of the air temperature is required as the air density varies with the temperature. So the ECM uses not only MAPS signal but also IATS signal. This sensor
has a Negative Temperature Coefficient (NTC) thermistor with resistance in reverse proportion to the temperature.

Circuit Diagram

Circuit Diagram

Harness Connector

Harness Connector

Intake Air Temperature Sensor (IATS) Repair procedures

Intake Air Temperature Sensor (IATS) Repair procedures

Inspection

  1. Switch "OFF" the ignition.
  2. Disconnect the IATS connector.
  3. Measure resistance between the IATS terminals 3 and 4.
  4. Check that the resistance is within the specification.

Removal

Removal

  1. Switch "OFF" the ignition and disconnect the negative (-) battery terminal.
  2. Disconnect the manifold absolute pressure sensor connector (A).
  3. Remove the sensor (B) after loosening the mounting bolt from the intake manifold.

Manifold absolute pressure sensor mounting bolt: 9.8 - 11.8 N*m (1.0 - 1.2 kgf*m, 7.2 - 8.7 lb*ft)

Installation

Installation

Warning

  • Install the component to the specified torque.
  • Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
  • Insert the sensor in the installation hole and be careful not to damage it
  1. Install in the reverse order of removal.

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