Check Select Unlock Relay Circuit

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK PASSENGER SIDE SELECT UNLOCK RELAY CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect BCM and passenger side select unlock relay connector.
3. Check continuity between BCM connector M2 terminal 50 and passenger side select unlock relay connector E15 terminal 3.
  50 (PU) - 3 (PU) :Continuity should exist.
4. Check continuity between BCM connector M2 terminal 50 and ground.
  
  Fig 1: Identifying Continuity Between BCM Connector Terminal And Passenger Side Select Unlock Relay Connector Terminal
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  50 (PU) - Ground :Continuity should not exist.
OK or NG
- OK: GO TO 2.
- NG: Repair or replace harness between BCM and passenger side select unlock relay.
CHECK PASSENGER SIDE SELECT UNLOCK RELAY CIRCUIT 2
1. Disconnect front door lock assembly (driver side) connector.
2. Check continuity between passenger side select unlock relay connector E15 terminal 4 and front door lock assembly (driver side) connector D11 terminal 1.
  4 (L/Y) - 1 (PU) :Continuity should exist.
3. Check continuity between passenger side select unlock relay connector E15 terminal 4 and ground.
  
  Fig 2: Identifying Continuity Between Passenger Side Select Unlock Relay Connector E15 Terminal 4 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  4 (L/Y) - Ground :Continuity should not exist.
OK or NG
- OK: Refer to CHECK DOOR REQUEST SWITCH
- NG: Repair or replace harness.