Kia Picanto (JA): Engine Control System / Exhaust Gas Temperature Sensor (EGTS)

Kia Picanto (JA) 2017-2025 Service & Repair Manual / Engine Control / Fuel System / Engine Control System / Exhaust Gas Temperature Sensor (EGTS)

Specifications

Specification
Exhaust Gas Temperature Sensor (EGTS) #1, 2
▷ Type : Thermistor type
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

Description and operation

Description
Installed in exhaust manifold, the Exhaust Gas Temperature Sensor (EGTS) #1 for WGT senses the temperature of exhaust gas flowing into the WGT.
Installed in Gasoline Particulate Filter (GPF) assembly, the Exhaust Gas Temperature Sensor (EGTS) #2 for GPF senses the temperature of exhaust gas flowing into the GPF.
When predetermined engine condition is met, ECM burns soot collected in GPF with exhaust gas. During this, the exhaust gas temperature is an important factor of engine condition.

Schematic diagrams

Circuit Diagram
EGTS #1

Harness Connector

EGTS #2

Harness Connector

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 & Installation
[EGTS #1]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Disconnect the EGTS connector (A).
3.
Remove the EGTS (B).
Exhaust gas temperature sensor (EGTS) :
39.2 - 49.1 N·m (4.0 - 5.0 kgf·m, 28.9 - 36.2 lb·ft)

4.
Install the sensor in the reverse order of removal.
   
•
Install the sensor with the specified torque.
•
If the sensor is dropped by mistake, check if there is no problem.
[EGTS #2]
1.
Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
2.
Disconnect the EGTS connector (A).

3.
Remove the EGTS (A).
Exhaust gas temperature sensor (EGTS) :
39.2 - 49.1 N·m (4.0 - 5.0 kgf·m, 28.9 - 36.2 lb·ft)

4.
Install the sensor in the reverse order of removal.
   
•
Install the sensor with the specified torque.
•
If the sensor is dropped by mistake, check if there is no problem.

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