Hyundai Tucson: RCV Control Solenoid Valve
Description
RCV (Recirculation Valve) Control Solenoid Valve is installed on the intercooler inlet pipe and operates the RCV actuator which controls the by-pass passage of the turbocharger compressor.When the throttle is closed, while the engine is running at cruise rpm (tip-out), the turbocharger boost pressure raises rapidly. The pressure wave strikes a compressor blades causing a knocking noise. To prevent this the ECM opens the recirculation valve which allows excessive boost pressure to vent back to the air cleaner side of the turbocharger compressor.
Specification
Circuit Diagram
Harness Connector
Inspection
- Turn the ignition switch OFF.
- Disconnect the RCV control solenoid valve connector.
- Measure resistance between the valve terminals 1 and 2.
- Check that the resistance is within the specification.
Specification : Refer to "Specification"
Removal
- Turn the ignition switch OFF and disconnect the battery negative (-) cable.
- Remove the front bumper assembly.
(Refer to Body (Interior nad Exterior) - "Front Bumper Assembly")
- Disconnect the RCV control solenoid valve connector (A).
- Remove the RCV control solenoid valve (B), after loosen mounting bolt.
Tightening Torque : 9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb-ft)
Installation
- Install the component to the specified torques.
- Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
- Insert the sensor in the installation hole and be careful not to damase it during installation.
- Install in the reverse order of removal.
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Electric Exhaust Gas Re-circulation (EEGR) Control Valve
Description
The Electric EGR Control Valve is installed in between the EGR cooler and the
exhaust line and is a
solenoid valve. This valve controls EGR (Exhaust Gas Recirculation) amount by
the ECM's duty
control signal depending on engine
Integrated Thermal Management Module (ITM)
Description
Integrated Thermal Management Module (ITM) is a device that controls the
coolant flow rate according to coolant
temperature. At initial startup, the ITM quickly warms up the engine by
controlling the flow of the coolant and this fas
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TREAD Lamp
Tire Under Inflation / Leak Warning.
Turn on condition
When tire pressure is below allowed threshold
When rapid leak is detected by the sensor.
Indicates that tire needs to be re-inflated to placard pressure /
repaired.
Braking system
Power-assist brakes
Your vehicle has power-assisted brakes
that adjust automatically through normal
usage.
If the engine is not running or is turned
off while driving, the power assist for
the brakes will not work. You can still
stop your ve
Information
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- Hyundai Tucson - Fourth generation (NX4) - (2020-2023) - Workshop Manual
