2024 Infiniti QX55 EssentialFACTORY OEM SERVICE PROCEDURE

Electric Intake Valve Timing Control Actuator

FUNCTIONS WITHIN THE SYSTEM 

The electric intake valve timing control actuator operates the electric intake valve timing control motor based on the signal from the electric intake valve timing control module, and it advances or retards the intake valve timing according to the conditions. It also transmits the motor position and motor speed to the electric intake valve timing control module based on the electric intake valve timing control position sensor.

GNSDB139531Courtesy of NISSAN NORTH AMERICA, INC.

INDIVIDUAL FUNCTION WITHIN THE SYSTEM 

It is composed of the electric intake valve timing control motor and electric intake valve timing control actuator (located inside the electric intake valve timing control position sensor).

INDIVIDUAL OPERATION 

The electric intake valve timing control motor rotates in the same direction as the intake camshaft, and the difference in rotation controls timing advancement, holding, and retardation.

COMPONENT LOCATION 

The electric intake valve timing control actuator (located inside the electric intake valve timing control position sensor) is installed on the engine front side of the intake camshaft.

GNSDB127179Courtesy of NISSAN NORTH AMERICA, INC.

The electric intake valve timing control motor is installed inside the cam sprocket (INT) SYMBOL .

GNSDB133066Courtesy of NISSAN NORTH AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.