3. Check Ground Circuit For Control Unit

Check continuity between smart entrance control unit harness connector M111 terminal 43 (B) and connector M112 terminal 64 (B) and ground.

Refer to WIRING DIAGRAM - KEYLESS  .

OK or NG 

1. OK: Power supply and ground circuits are OK.
2. NG: Check ground harness.

Fig 1: Checking Ground Circuit for Control Unit

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