2014 Infiniti QX50 Base, AWDFACTORY OEM SERVICE PROCEDURE

Component Inspection

  1. CHECK SNOW MODE SWITCH-IΒ 
    1. Turn ignition switch OFF.
    2. Disconnect snow mode switch harness connector.
    3. Check the continuity between snow mode switch terminals under the following conditions.
      Terminals Condition Continuity
      1 and 4 Snow mode switch ON Existed
      OFF Not Existed

      Is the inspection result normal?Β 

      YES: GO TO 2.

      NO: Replace snow mode switch. Refer to "EXPLODED VIEW ".

  2. CHECK SNOW MODE SWITCH-IIΒ 

    Check the continuity between snow mode switch terminals under the following conditions.

    Terminals (Polarity) Continuity
    2 (+) - 4 (-) Existed
    4 (+) - 2 (-) Not Existed

    Is the inspection result normal?Β 

    YES: INSPECTION END

    NO: Replace snow mode switch. Refer to "EXPLODED VIEW ".

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:

  • 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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