Hyundai Sonata LF: 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...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Description and Operation

Description The Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the fuel tank, the vapor passes through vent hoses or tubes to a canister filled with charcoal...

Hyundai Sonata LF 2014-2019 Service Manual: Engine Control Module (ECM) Repair procedures

Removal     When replacing the ECM, the vehicle equipped with immobilizer must be performed the procedure as below. [In the case of installing used ECM] 1. Perform "Neutral mode" procedure with GDS. (Refer to "Immobilizer" in BE group) 2...