Without CONSULT-II

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition switch ON.
Check voltage between ECM terminal 99 and ground with pressing each button.

OK: GO TO 7 .
NG: GO TO 2.

Fig 1: Check Each Item Indication Under The Following Conditions

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

Fig 2: Check Voltage

Courtesy of NISSAN MOTOR CO., U.S.A.