Hyundai Sonata LF: Engine Control System / Knock Sensor (KS) Schematic Diagrams

Knock Sensor (KS) Specifications

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Knock Sensor (KS) Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Remove the intake manifold (Refer to “Intake And Exhaust System” in EM group)...

Other information:

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

Description System Diagram Driver Door Module (DDM) Driver Door Module (DDM) is part of CAN configuration, communicating with BCM, SMK, SJB, PSM, and ADM via CAN while performing wired signal I/Os with safety power windows. Operate the buttons of DDM located on the inner side of the driver door to perform any functions related to power windows, electric mirror, and door lock/unlock...

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...