Hyundai Sonata: Engine Control System / RCV Control Solenoid Valve Description and Operation

Hyundai Sonata LF 2014-2019 Service Manual / Engine Control / Fuel System / Engine Control System / RCV Control Solenoid Valve Description and Operation

Description
RCV (Recirculation Valve) Control Solenoid Valve is installed on the cooling pan motor top and operates the RCV actuator which controls the by-pass passage of the turbo-charger compressor.
When the throttle valve is closed during engine running [Tip-out], crash noise of the impeller will occur because of rapid increasing of the boost pressure. So, in this case, in order to prevent this phenomenon, ECM maintains the appropriate boost pressure by opening the by-pass passage.

Electric WGT Control Actuator Repair procedures
Inspection [Motor] 1. Turn ignition switch OFF. 2. Disconnect the EWGA connector. 3. Check that the EWGA is stuck by foreign material. 4. Measure resistance between motor (+) and ( ...

RCV Control Solenoid Valve Specifications
Specification ItemSpecificationCoil Resistance(?)28.3 ~ 31.1 [20°C(68°F)] ...

Other information:

Hyundai Sonata LF 2014-2019 Service Manual: External AMP Components and Components Location
Components NoConnector ANoConnector B1BATT (+)1Front Right Midrange (+)2BATT (+)2Front Right Midrange (-)3BATT (+)3Front Left Midrange (+)4BATT (+)4Front Left Midrange (-)5-5-6Multimedia CAN (High)6-7Multimedia CAN (Low)7-8ACC8-9Navigation voice (+)9-10-10-11-11-12-12Rear Right door speaker (-) ...

Hyundai Sonata LF 2014-2019 Service Manual: Intake Air Temperature Sensor (IATS) Specifications
Specification TemperatureResistance (k?)°C°F-40-4040.93 ~ 48.35-20-413.89 ~ 16.030325.38 ~ 6.0910503.48 ~ 3.9020682.31 ~ 2.57401041.08 ~ 1.21501221.56 ~ 1.74601400.54 ~ 0.62801760.29 ~ 0.34 ...

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