Hyundai Sonata LF: Smart Key System / Smart Key Unit Schematic Diagrams

Smart Key Unit Components and Components Location

C..

Smart Key Unit Repair procedures

Removal Smart Key Unit 1. Disconnect the negative (-) battery terminal. 2. Remove the glove box. (Refer to Body - "Glove Box Upper Cover Assembly") 3...

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Hyundai Sonata LF 2014-2019 Service Manual: Master Cylinder Repair procedures

Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the air cleaner assembly (A). 3. Disconnect the brake fluid level switch connector (A). 4. Remove the brake fluid from the master cylinder reservoir with a syringe...

Hyundai Sonata LF 2014-2019 Service Manual: CVVT Oil Control Valve (OCV) Description and Operation

Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load. By controlling CVVT, the valve over-lap or under-lap occurs, which makes better fuel economy and reduces exhaust gases (NOx, HC) and improves engine performance through reduction of pumping loss, internal EGR effect, improvement of combustion stability, improvement of volumetric efficiency, and increase of expansion work...