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Variable Operation

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

VVEL control module controls the rotation of the control shaft using the VVEL actuator motor assembly and changes the movement of the output cam by shifting the link supporting point. As a result, valve lift changes continuously to improve engine output and response.

Fig 1: Identifying Valve Variable Operation Diagram
G08260076Courtesy of NISSAN NORTH AMERICA, INC.