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Driver Side Door Lock Actuator Check

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DOOR LOCK ACTUATOR SIGNAL 
    1. Turn ignition switch OFF.
    2. Check voltage between BCM connector and ground.
    Fig 1: BCM Connector Terminals 44, 50 & Ground Voltage Specifications Table
    G02402303Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: BCM Connector Terminals 44, 50 & Ground Voltage Test
    G02402304Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK : GO TO 2.
    • NG : Replace BCM.
  2. CHECK DOOR LOCK ACTUATOR CIRCUIT 
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector M91 terminals 44, 50 and driver side door lock actuator harness connector D11 terminals 1, 3.
      • 44 (Y) - 3 (Y) : Continuity should exist. 
      • 50 (PU) - 1 (PU) : Continuity should exist. 
    3. Check continuity between BCM harness connector M91 terminals 44, 50 and ground.
      • 44 (Y) Ground : Continuity should not exist. 
      • 50 (PU) - Ground : Continuity should not exist. 
    Fig 3: BCM Harness Connector Terminals 44, 50 & Driver Side Door Lock Actuator Harness Connector Terminals 1, 3 & Ground Continuity Test
    G02402305Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK : Replace driver side door lock actuator.
    • NG : Repair or replace harness between BCM and driver side door lock actuator.
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