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Check Select Unlock Relay

  1. CHECK SELECT UNLOCK RELAY POWER SUPPLY 
    1. Turn ignition switch OFF.
    2. Disconnect passenger side select unlock relay connector.
    3. Check voltage between passenger side select unlock relay connector M30 terminal 1 and ground.

      1 (L/R) - Ground: Approx. 12V 

      Fig 1: Checking Select Unlock Relay Power Supply
      G03107086Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK: GO TO 2.
    2. NG: Repair or replace passenger side select unlock relay power supply circuit.
  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.

      2 (BR/W) - 40 (BR/W): Continuity should exist. 

    3. Check continuity between passenger side select unlock relay connector M30 terminal 2 and ground.

      2 (BR/W) - Ground: Continuity should not exist. 

      Fig 2: Checking Harness
      G03107087Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

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