Transcription of 6. VVT-i (Variable Valve Timing-intelligent) System
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ENGINE 1ZZ-FE ENGINE169EG35172CR07 Camshaft Position SensorEngine Coolant Temp. SensorThrottle Position SensorECMC amshaft TimingOil Control ValveMass Air Flow MeterCrankshaft Position SensorCrankshaft Position SensorMass Air Flow MeterThrottle Position SensorCamshaft Position SensorEngine Coolant Temp. SensorVehicle Speed SignalTarget Valve TimingECMFeed BackCorrectionActual Valve TimingCamshaft timing Oil Control ValveDuty Control386. VVT-i ( variable Valve timing - intelligent ) SystemGeneralThis System controls the intake camshaft Valve timing so as to obtain balance between the engine output,fuel consumption and emission control performance. The actual intake side Valve timing is feed backby means of the camshaft position sensor for constant control to the target Valve 1ZZ-FE ENGINE165EG34 PlungerTo VVT-i controller (Advance Side)To VVT-i controller (Retard Side)ConnectorSleeveSpool ValveSpringDrainOil PressureDrainCoil39 Construction1) VVT-i ControllerThis controller consists of the housing driven from the t
ENGINE — 1ZZ-FE ENGINE 165EG34 Plunger To VVT-i Controller (Advance Side) To VVT-i Controller (Retard Side) Connector Sleeve Spool Valve Spring Drain
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