2. Check Harness

1. Disconnect Intelligent Key unit connector.
2. Check continuity between passenger side select unlock relay connector M30 terminal 2 and Intelligent Key unit connector M34 terminal 40.
   1. 2 (BR/W) - 40 (BR/W) : Continuity should exist. 
3. Check continuity between passenger side select unlock relay connector M30 terminal 2 and ground.
   1. 2 (BR/W) - Ground : Continuity should not exist. 

Fig 1: Checking Continuity Between Passenger Side Select Unlock Relay Connector M30 Terminal 2 And Ground

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

OK or NG

OK : Replace passenger side select unlock relay.

NG : Repair or replace harness between passenger side select unlock relay and Intelligent Key unit.