Kia Optima: Electric WGT Control Actuator. Description and Operation - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2026 Service ManualKia Optima: Electric WGT Control Actuator. Description and Operation

Desrcription

The Electric WGT Control Actuator is installed on the turbocharger.

It operates the vain in the Waste Gate Turbocharger (WGT) and regulates the compressed air amount by the ECM's PWM signal. This actuator consists of a DC motor which actuates the vane, a 2-step gear which increases torque of the DC motor, a position sensor which detects status of the vane, an electric control unit which drives the DC motor.


Installation
Refer to "High Pressure Fuel Pump" in this group. ...

Electric WGT Control Actuator. Components and Components Location
Components 1 . Housing 2 . Cover 3. Sealing Cover 4 . Motor 5. Pinion 6 . Shaft Gear 7 . PCB Assembly 8 . Middle Gear 9 . Lever 10 . Lever Pin 11 ...

See also:

Engine Coolant Temperature Sensor (ECTS). Schematic Diagrams
Circuit Diagram ...

Inspection
1. Turn the ignition switch OFF. 2. Disconnect the injector connector. 3. Measure resistance between the injector terminals 1 and 2. ...

Repair procedures
If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure. 1. W ...

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