2. Ground Circuit Check

Check continuity between trunk closure control unit connector B56 terminal 4 and ground.

1. 4 (B) - Ground : Continuity should exist  .

OK or NG 

1. OK : Power supply and ground circuit is OK.
2. NG : Repair or replace harness.

Fig 1: Ground Circuit Check

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