With Consult-II

Replace thermostat with new one. Refer to "WATER INLET AND THERMOSTAT ASSEMBLY ". Use only a genuine NISSAN thermostat as a replacement. If an incorrect thermostat is used, the MIL may come on.
Turn ignition switch ON.
Select "COOLANT TEMP/S" in "DATA MONITOR" mode with CONSULT-II.
Check that the "COOLANT TEMP/S" is above 60°C (140°F). If it is below 60°C (140°F), go to following step. If it is above 60°C (140°F), cool down the engine to less than 60°C (140°F), then retry from step 1.
Drive vehicle for 10 consecutive minutes under the following conditions.

Fig 1: Vehicle Speed Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.

If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE "

Fig 2: DTC Confirmation Procedure With CONSULT-II (P0128)
Courtesy of NISSAN MOTOR CO., U.S.A.