With CONSULT-II
WARNING: This page is about a different car, the 2004 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
Check that when the A/T shift lever is in P position, "DETENT SW" on the DATA MONITOR becomes OFF.
Courtesy of NISSAN MOTOR CO., U.S.A.
Courtesy of NISSAN MOTOR CO., U.S.A.