Toyota
Nissan Versa
 Sedan Service Manual
Engine » Engine control system (EC) » Engine control system
Intake Valve Timing Control Solenoid Valve

Intake valve timing control solenoid valve is activated by ON/OFF pulse duty (ratio) signals from the ECM.

The intake valve timing control solenoid valve changes the oil amount and direction of flow through intake valve timing control unit or stops oil flow.

The longer pulse width advances valve angle.

The shorter pulse width retards valve angle.

When ON and OFF pulse widths become equal, the solenoid valve stops oil pressure flow to fix the intake valve angle at the control position.

Intake Valve Timing Control Solenoid Valve

Knock Sensor

The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the ECM.

Knock Sensor

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    Nissan Versa Sedan Service Manual / Engine / Engine control system (EC) / Engine control system / Intake Valve Timing Control Solenoid Valve

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