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Home >> Infiniti >> 2011 >> M56 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 108 (Transfer Case) >> System Description >> System >> 4WD System >> 4WD SYSTEM: System Description >> Condition For Operate Warning Buzzer
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Condition For Operate Warning Buzzer

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

For preventing an incorrect operation during 4H<==>4L switching, warning buzzer sounds from inside of transfer control unit and warns the driver, when certain conditions are satisfied.

Condition Warning buzzer
4WD shift status A/T shift selector Engine speed
4H<==>4L N range 350 - 1, 600 RPM OFF
Under 350 RPM or over 1, 600 RPM ON
Except N range Always