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Hyundai Veloster: Intake Air Temperature Sensor (IATS). Description and Operation - Engine Control System - Fuel System - Hyundai Veloster 2010-2019 Service ManualHyundai Veloster: Intake Air Temperature Sensor (IATS). Description and Operation

First generation (2011–present) / Hyundai Veloster 2010-2019 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 ...

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Replacement 1. Using a screwdriver or remover, remove the wiper arm cover (A). 2. Remove the wiper arm mounting hole plug (B). ...

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