Hyundai Elantra: Engine Control System / Intake Air Temperature Sensor (IATS) Description and Operation

Hyundai Elantra AD (2016-2020) Service Manual / Engine Control/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. ConditionOutput Voltage (V)IG ON3.9 ~ 4.1Idle0.8 ~ 1.6 Remo ...

Intake Air Temperature Sensor (IATS) Specifications
Specification Temperature [°C(°F)]Resistance (k?)-40(-40)40.93 ~ 48.35-20(-4)13.89 ~ 16.030(32)5.38 ~ 6.0910(50)3.48 ~ 3.9020(68)2.31 ~ 2.5740(104)1.08 ~ 1.2150(122)0.76 ~ 0.8560(140)0.54 ~ 0.6 ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Smart Cruise Control System
1. Cruise indicator 2. Set speed 3. Vehicle-to-vehicle distance To see the SCC screen on the LCD display in the cluster, select Assist mode (). For more details, refer to "LCD Display Modes" in chapter 3. The Smart Cruise Control system allows you to program the vehicle to maintain ...

Hyundai Elantra AD (2016-2020) Service Manual: Trunk Lid Trim Components and Components Location
Component Location 1. Trunk lid trim ...

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