2024 Infiniti QX55 EssentialFACTORY OEM SERVICE PROCEDURE

Idle Speed: Inspection

  1. SYMBOL With CONSULT Check idle speed in "DATA MONITOR" mode of "ENGINE" using CONSULT.
  2. SYMBOL Without CONSULT Attach induction type (current detection type) rev counter (A) to loop wire SYMBOL as shown in the illustration and check idle speed.
    GNSDB127714Courtesy of NISSAN NORTH AMERICA, INC.
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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.