ATP Warning Lamp Turns ON: Symptom:
WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
ATP warning lamp turns ON when 4WD shift switch from "4H" to "4LO" or "4LO" to "4H" with A/T selector lever "N" to "P" position.