With GST

Start engine and warm it up to normal operating temperature.
Check that voltage between ECM terminal 75 (Fuel tank temperature sensor signal) and ground is less than 4.2V.
Turn ignition switch OFF and wait at least 10 seconds.
Start engine and wait at least 20 seconds.
Select MODE 7 with GST.
If 1st trip DTC is detected, go to "DIAGNOSTIC PROCEDURE ".

Fig 1: Checking Voltage Between Terminal 75 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.