2021 Infiniti QX50 Autograph, 4WDFACTORY OEM SERVICE PROCEDURE

Functions Within The System

The electric intake valve timing control module controls the electric intake valve timing control actuator based on the signals from the ECM and the electric intake valve timing control position sensor. The target intake valve timing angle is also corrected by the signal transmitted from the ECM via CAN communication.

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.