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Hyundai Veloster: Intake Air Temperature Sensor (IATS). Description and Operation - Engine Control System - Fuel SystemHyundai Veloster: Intake Air Temperature Sensor (IATS). Description and Operation

Hyundai Veloster 2011-2017 Service Manual / Fuel System / Engine Control System / Intake Air Temperature Sensor (IATS). Description and Operation

Description

Intake Air Temperature Sensor (IATS) is included inside Manifold Absolute Pressure Sensor and detects the intake air temperature.
To calculate precise air quantity, correction of the air temperature is needed because air density varies according to the temperature. So the ECM uses not only MAPS signal but also IATS signal. This sensor has a Negative Temperature Coefficient (NTC) Thermister and it's resistance changes in reverse proportion to the temperature.


Manifold Absolute Pressure Sensor (MAPS). Repair procedures
Inspection 1. Connect the GDS on the Data Link Connector (DLC). 2. Measure the output voltage of the MAPS at idle and IG ON. ...

Intake Air Temperature Sensor (IATS). Specifications
Specification Temperature Resistance (kΩ) °C °F -40 -40 40.93 ~ 48.35 -20 ...

See also:

Engine compartment fuse replacement
1. Turn the ignition switch and all other switches off. 2. Remove the fuse panel cover by pressing the tab and pulling up. 3. Check the removed fuse; replace it if it is blown. To remove or inse ...

Towing
If the vehicle needs to be towed, call a professional towing service. Never tow vehicle with just a rope or chain. It is very dangerous. ...

If the engine overheats
If your temperature gauge indicates overheating, you experience a loss of power, or hear loud pinging or knocking, the engine is probably too hot. If this happens, you should: 1. Pull off the roa ...

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