Hyundai Kona: Engine Control System / Intake Air Temperature Sensor (IATS) Description and operation

Intake Air Temperature Sensor (IATS) is included inside Manifold Absolute Pressure Sensor and detects the intake air temperature.

To calculate precise air quantity, correction of the air temperature is needed because air density varies according to the temperature. So the ECM uses not only MAPS signal but also IATS signal. This sensor has a Negative Temperature Coefficient (NTC) Thermister and it's resistance changes in reverse proportion to the temperature.

Manifold Absolute Pressure Sensor (MAPS) Repair procedures

Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Measure the output voltage of the MAPS at idle and IG ON. ...

Intake Air Temperature Sensor (IATS) Specifications

Specification Temperature Resistance (kΩ) °C °F -40 -40 40.93 - 48.35 ...

Other information:

Hyundai Kona (OS) 2018-2023 Service Manual: Battery Sensor Specifications
Specifications Item Specification Rated Voltage (V) 12 - 14 Quiescent Current (uA) Max. 175 Pin 2 (B+, LIN) ...

Hyundai Kona (OS) 2018-2023 Service Manual: Troubleshooting
Troubleshooting Symptom Suspect area Engine will not start or stuggle to start Vapor hose damaged or disconnected Engine stuggle to start Malfunction of the Purge Control Solenoid Valve ...