With CONSULT-II

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch ON.
Select "ECU INPUT SIGNALS" or "MAIN SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
Start engine.
Drive vehicle and maintain the following conditions for at least 2 consecutive seconds.
THRTL POS SEN: More than 1.2V
If DTC is detected, go to "DIAGNOSTIC PROCEDURE ".

Fig 1: Identifying Display - Select System
Courtesy of NISSAN MOTOR CO., U.S.A.