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: Passenger Airbag (PAB) Module Description and Operation

Description Passenger Airbag (PAB) module is located in the passenger crash pad. This PAB contains 2 firing squibs of airbag and 1 firing squib of active vent. Depending of crash speed or the tightening of seat belt, it is decided a timing about both 2 firing squibs of airbag and 1 firing squib of active vent...

Hyundai Sonata LF 2014-2019 Service Manual: Spark Plug Repair procedures

Inspection [On vehicle inspection] 1. Accelerate the engine to about 3,000 rpm 3 times or more. 2. Remove the spark plug. 3. Check the spark plug visually. If the electrode is dry, the spark plug is normal. If the electrode is wet, check the damage and electrode gap as below...