Hyundai Ioniq (AE): Engine Control System / Exhaust Gas Temperature Sensor (EGTS). Repair procedures

Hyundai Ioniq (AE) 2017-2022 Service & Repair Manual / Engine Control/Fuel System / Engine Control System / Exhaust Gas Temperature Sensor (EGTS). Repair procedures

Inspection
1.
Turn ignition switch OFF.
2.
Disconnect the connector of exhaust gas temperature sensors #1/#2.
3.
Measure resistance between sensor signal terminal and ground terminal.
4.
Check that the resistance is within the specification.
Exhaust Gas Temperature Sensor [EGTS #1, #2 (T3, T4)]
Temperature [°C (°F)]
Resistance (kΩ)
-40 (-40)
0.17
0 (-32)
0.201
100 (212)
0.276
200 (392)
0.35
300 (572)
0.42
400 (752)
0.489
500 (932)
0.555
600 (1112)
0.618
700 (1292)
0.68
800 (1472)
0.739
850 (1562)
0.767

Removal
[EGTS #1 (T3)]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Lift the vehicle.
3.
Disconnect the EGTS #1 connector (A).
4.
Remove the EGTS #1 (B).

[EGTS #2 (T4)]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Lift the vehicle.
3.
Disconnect the EGTS #2 connector (A).
4.
Remove the EGTS #2 (B).

Installation
   
•
Install the component to the specified torques.
•
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
1.
Install in the reverse order of removal.

    Circuit DiagramEGTS #1Harness ConnectorEGTS #2Harness Connector

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