How To Alternate Diagnosis Mode

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

Turn ignition switch to ON and change odo/trip meter to "TRIP A" or "TRIP B".
Turn ignition switch to OFF.
Turn ignition switch to ON when pushing odo/trip meter switch.
Release odo/trip meter switch 1 second after ignition switch is turned ON.
Push odo/trip meter switch three times within 7 seconds.
All odo/trip meter segments should be turned on.

Fig 1: Identifying Meter/Gauge Operation And Odo/Trip Meter
Courtesy of NISSAN MOTOR CO., U.S.A.

NOTE: If some segments are not turned on, combination meter should be replaced.
At this point, the unified control meter is turned to diagnosis mode.
Push odo/trip meter switch, indication of each meter/gauge should be as shown in figure during pushing odo/trip meter switch.
NOTE: It takes a few seconds for indication of fuel gauge and water temperature gauge to become stable.
Turn ignition switch to OFF or start engine to cancel diagnosis mode.

Fig 2: Pushing Odo/Trip Meter Switch Indication Of Each Meter/Gauge

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