1. Check Trunk Lid Close Switch Signal

Check voltage between auto trunk control unit connector and ground.

Fig 1: Checking Trunk Lid Close Switch Signal (1 Of 2)

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

Fig 2: Checking Trunk Lid Close Switch Signal (2 Of 2)

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

OK or NG 

1. OK : Trunk lid close switch is OK.
2. NG : GO TO 2.