Hyundai Ioniq: 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 ignition switch OFF and disconnect the negative (-) battery cable. |
| 2. | Remove the air cleaner assembly (Refer to Engine Mechanical System - "Air Cleaner") |
| 3. | Disconnect the manifold absolute pressure sensor connector (A). |
| 4. | 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. |
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| 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. Manifold absolute pressure 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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DescriptionEngine Coolant Temperature Sensor (ECTS) is located in the engine coolant passage of the cylinder head for detecting the engine coolant temperature...
Other information:
You will find many safety precautions and recommendations throughout this section,
and throughout this manual. The safety precautions in this section are among the
most important.
Always Wear Your Seat Belt
A seat belt is your best protection in all types of accidents...
Safety PrecautionPrecautions To Take Before Servicing High Voltage System
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Since hybrid vehicles contain a high voltage battery, if the high voltage system or vehicles are handled incorrectly, this might lead to a serious accidents like electric shock and electric leakage...
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Air bag warning labels, required by the U.S. National Highway Traffic Safety
Administration (NHTSA), are attached to alert the driver and passengers of potential
risks of the air bag system. Be sure to read all of the information about the air
bags that are installed on your vehicle in this Owners Manual.
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Engine Coolant Temperature Sensor (ECTS). Description and operation