Check Select Unlock Relay Circuit

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK SELECT UNLOCK CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM, door lock actuator (driver side), and passenger side select unlock relay connector.
3. Check continuity between BCM connector M4 terminal 50 and passenger side select unlock relay connector M30 terminal 4.
  1. 50 (PU) - 4 (PU) : Continuity should exist.
4. Check continuity between passenger side select unlock relay connector M30 terminal 4 and ground.
  1. 4 (PU) - Ground : Continuity should not exist.
  Fig 1: Checking Continuity Between BCM Connector M4 Terminal 50 And Passenger Side Select Unlock Relay Connector M30 Terminal 4
  Courtesy of NISSAN MOTOR CO., U.S.A.
5. Check continuity between passenger side select unlock relay connector M30 terminal 3 and door lock actuator connector D10 (driver side), D52 (rear LH), D72 (rear RH) terminal 3.
  1. 3 (PU) - 3 (PU) : Continuity should exist.
6. Check continuity between passenger side unlock relay connector M30 terminal 3 and ground.
  1. 3 (PU) - Ground : Continuity should not exist.
Fig 2: Checking Continuity Between Passenger Side Unlock Relay Connector M30 Terminal 3 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : Check passenger side select unlock relay.
2. NG : Repair or replace harness.