2022 Infiniti QX55 EssentialFACTORY OEM SERVICE PROCEDURE

System Diagram

GNSILL0109902Courtesy of NISSAN NORTH AMERICA, INC.

Component parts

Function

Crankshaft position sensor

Crankshaft Position SensorΒ 

Intake camshaft position sensor

Intake Camshaft Position SensorΒ 

Engine oil temperature sensor

Engine Oil Temperature SensorΒ 

ECM

ECMΒ 

Electric intake valve timing control module

Electric Intake Valve Timing Control ModuleΒ 

Electric intake valve timing control actuator

Electric Intake Valve Timing Control ActuatorΒ 

Electric intake valve timing control motor*

*: Electric intake valve timing control motor is built in to the cam sprocket (INT).

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

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

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

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