Hyundai Sonata LF: Emission Control System

Hyundai Sonata LF 2014-2019 Service Manual / Emission Control System

Advanced Smart Cruise Control (ASCC) ECU Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Disconnect the ASCC ECU connector (A). 3. Remove the ASCC ECU (C) after remove the installation nut (B)...

General Information

Description and Operation Description Emissions Control System consists of three major systems. • Crankcase Emission Control System prevents blow-by gas from releasing into the atmosphere...

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Hyundai Sonata LF 2014-2019 Service Manual: Engine Coolant Temperature Sensor (ECTS) Description and Operation


Description Engine Coolant Temperature Sensor (ECTS) is located in the engine coolant passage of the cylinder head for detecting the engine coolant temperature. The ECTS uses a thermistor that changes resistance with the temperature. The electrical resistance of the ECTS decreases as the temperature increases, and increases as the temperature decreases...

Hyundai Sonata LF 2014-2019 Service Manual: Knee Airbag (KAB) Module Repair procedures


Removal 1. Disconnect the battery negative cable and wait for at least three minutes before beginning work. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Remove the mounting nuts (A). 4. Disconnect the knee airbag connector (B)...

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