Hyundai Tucson: Engine Control System / Intake Air Temperature Sensor (IATS) Repair procedures
| 1. |
Turn the ignition switch OFF. |
| 2. |
Disconnect the IATS connector. |
| 3. |
Measure resistance between the IATS terminals 3 and 4. |
| 4. |
Check that the resistance is within the specification.
Specification: Refer to “Specification”
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| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-) cable. |
| 2. |
Disconnect the manifold absolute pressure sensor connector (A). |
| 3. |
Remove the installation bolt (B), and then remove the sensor from the surge tank. 
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| • |
Install the component with the specified torques. |
| • |
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing. |
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| • |
Insert the sensor in the installation hole and be careful not to damage.
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| 1. |
Install in the reverse order of removal.
Intake Air Temperature Sensor installation bolt:
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
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Circuit Diagram
(M/T)
(A/T)
...
Description
Engine Coolant Temperature Sensor (ECTS) is located in the
engine coolant passage of the cylinder head for detecting the engine
coolant temperature. The ECTS uses a thermistor that ...
Intake Air Temperature Sensor (IATS) Schematic Diagrams
Engine Coolant Temperature Sensor (ECTS) Description and Operation