WARNING: This page is about a different car, the 2018 Nissan NV3500 HD, 2018 Nissan NV2500 HD, and 2018 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
Monitor Item [Unit]
Description
OIL PRESS SW [On/Off]
Indicates condition of oil pressure switch signal received from IPDM E/R on CAN communication line.