Hyundai Sonata LF: Body Electrical System / Keyless Entry And Burglar Alarm

Hyundai Sonata LF 2014-2019 Service Manual / Body Electrical System / Keyless Entry And Burglar Alarm

Smart Key Diagnostic Repair procedures

Inspection Self Diagnosis with Scan Tool It will be able to diagnose defects of SMART KEY system with GDS quickly. GDS can operates actuator forcefully, input/output value monitoring and self diagnosis...

Specifications

Specification ItemSpecificationPower source3VOperating temperature-30°C ~ +75°C (-22°F ~ +167°F)RF ModulationFSKLF ModulationASKRF frequency433...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: Relay Box (Engine Compartment) Repair procedures


Inspection 1. Disconnect the negative (-) battery terminal. 2. Pull out the relay from the engine compartment relay block. Power Relay (Type A) Check for continuity between the terminals. 1) Start relay 2) Deicer relay 3) Head lamp (high) relay 4) Blower relay 5) Power outlet relay 6) E-CVVT relay 1...

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...

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