5. Check Remote Keyless Entry Receiver Harness

1. Disconnect BCM and remote keyless entry receiver connector.
2. Check continuity between BCM connector M4 terminal 28 (L) and remote keyless entry receiver connector B246 terminal 4 (L).
   1. 28 (L) - 4 (L) : Continuity should exist  .
3. Check continuity between remote keyless entry receiver connector B246 terminal 4 (L) and ground.
   1. 28 (L) - Ground : Continuity should not exist  .

OK or NG 

1. OK: Replace BCM.
2. NG: Repair or replace harness.

Fig 1: Check Remote Keyless Entry Receiver Harness

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