4LO Indicator Lamp

WARNING: This page is about a different car, the 2005 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

Displays 4LO condition while engine is running. 4LO indicator lamp flashes if transfer gear does not shift completely under 4H <==> 4LO. In this condition, transfer may be under neutral condition and A/T parking mechanism may not be operated.
Turns ON when ignition switch is turned ON, for purpose of lamp check. Turns OFF approximately 1 second after the engine starts if system is normal.