O/D OFF Indicator Light
WARNING: This page is about a different car, the 2002 Nissan Sentra, 2002 Infiniti G20, 2001 Nissan Sentra, and 2001 Infiniti G20. However, it is still accessible from the selected car via links, so may be relevant.
O/D OFF indicator light is used to show O/D switch position and to display diagnostic flash code when TCM SELF-DIAGNOSTIC PROCEDURE is activated.