How To Alternate Diagnosis Mode

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.
NOTE: If some segments are not turned on, combination meter should be replaced.
At this point, the unified meter control unit is turned to diagnosis mode.

Fig 1: Diagnosis Mode Display
Courtesy of NISSAN MOTOR CO., U.S.A.
Push odo/trip meter switch. Indication of each meter/gauge should be as shown in figure while 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
Courtesy of NISSAN MOTOR CO., U.S.A.