With Consult-II

WARNING: This page is about a different car, the 2005 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch ON.
Select "DATA MONITOR" mode with CONSULT-II.
Wait at least 5 seconds.
If 1st trip DTC is detected, go to Diagnostic Procedure .

Fig 1: CONSULT-II Engine Speed Data Monitor
Courtesy of NISSAN MOTOR CO., U.S.A.