Manual Mode

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

Combination meter reads manual mode signal and shift-up/down signal from A/T device (manual mode switch), and transmits the signals to TCM with CAN communication.
TCM processes manual mode signal and shift-up/down signal, and transmits A/T position indicator signal and manual mode indicator signal to combination meter with CAN communication.
Combination meter indicates A/T gear position and manual mode indicator when receiving A/T position indicator signal and manual mode indication signal.