1. Check BCM Output Signal

1. Remove electronic key from ignition key cylinder.
2. Check voltage between BCM connector M4 terminal 109 (LG) and ground.

Fig 1: Checking BCM Output Signal (1 Of 2)

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

Fig 2: Checking BCM Output Signal (2 Of 2)

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

OK or NG 

1. OK: BCM output signal (trunk open signal) is OK.
2. NG: Replace BCM.