Kia Stinger CK: Engine Control System / Intake Air Temperature Sensor (IATS)

Specifications
Specification

Temperature
Resistance (kΩ)
°C
°F
-40
-40
40.93 - 48.35
-20
-4
13.89 - 16.03
0
32
5.38 - 6.09
10
50
3.48 - 3.90
20
68
2.31 - 2.57
40
104
1.08 - 1.21
50
122
1.56 - 1.74
60
140
0.54 - 0.62
80
176
0.29 - 0.34

Description and operation
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.

Schematic diagrams
Circuit Diagram

Harness Connector

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.

Temperature
Resistance (kΩ)
°C
°F
-40
-40
40.93 - 48.35
-20
-4
13.89 - 16.03
0
32
5.38 - 6.09
10
50
3.48 - 3.90
20
68
2.31 - 2.57
40
104
1.08 - 1.21
50
122
1.56 - 1.74
60
140
0.54 - 0.62
80
176
0.29 - 0.34

Removal
1.

Switch "OFF" the ignition and disconnect the negative (-) battery terminal.

2.

Remove the engine cover.

(Refer to Engine Mechanical System - "Engine Cover")

3.

Disconnect the intake air temperature sensor connector (A).

4.

Remove the installation bolts (B), and then remove the sensor from the intake manifold.

Intake Air Temperature Sensor installation bolt :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

Installation
  

Install the component to the specified torques.

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.

Other information:

Kia Stinger (CK) 2018-2023 Service Manual: Blower Unit

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Kia Stinger (CK) 2018-2023 Service Manual: Roof Trim Assembly

Components and components location Component Location 1. Roof Trim Assembly Repair procedures Replacement    Put on gloves to protect your hands.    • Use a plastic panel removal tool to remove interior trim pieces without marring the surface.

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