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Hyundai Equus: Intake Air Temperature Sensor (IATS) Description and Operation - Engine Control System - Engine Control/Fuel System - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: 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. Specification: Refer to "Specification" Removal 1. Tur ...

    Intake Air Temperature Sensor (IATS) Specifications
    Specification TemperatureResistance (kx)°C°F-40-4040.93 ~ 48.35-20-413.89 ~ 16.030325.38 ~ 6.0910503.48 ~ 3.9020682.31 ~ 2.57401041.08 ~ 1.21601400.54 ~ 0.66801760.29 ~ 0.34 ...

    See also:

    Power Steering Hose Repair procedures
    Replacement - Refer to the components illustration during removal or installation. - When installing, be sure to connect between hose to tube using a clamp as shown in the illustration. - ...

    Components and Components Location
    Component Location 1. Cluster assembly2. Battery sensor3. Washer fluid level sensor4. Fuel gauge sender ...

    Fuel Pump Repair procedures
    Removal 1. Release the residual pressure in fuel line. (Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line") 2. Folding the rear seat cushion. 3. Remove the fuel pump ...

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