TCM Self-diagnosis Does Not Activate (PNP, Overdrive Control and Accelerator Pedal Position Sensor Circuit Checks): Notes
WARNING: This page is about a different car, the 2003 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM:
O/D OFF indicator lamp does not come on in TCM self-diagnostic procedure even the lamp circuit is good.