Front Door Lock Assembly LH (Actuator) Check

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR LOCK ACTUATOR SIGNAL
1. Turn ignition switch OFF.
2. Check voltage between BCM connector M20 terminals 59, 65 and ground.
  
  Fig 1: BCM Connector M20 And Ground Voltage Specifications Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking Voltage Between BCM Connector M20 Terminals 59, 65 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 2.
2. NG: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
CHECK DOOR LOCK ACTUATOR HARNESS
1. Disconnect BCM and front door lock assembly LH (actuator).
2. Check continuity between BCM connector M20 terminals 59, 65 and front door lock assembly LH (actuator) connector D14 terminals 2, 3.
  
  Fig 3: BCM Connector M20 And Front Door Lock Assembly LH Connector D14 Terminals, Continuity Specifications Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check continuity between BCM connector M20 terminals 59, 65 and ground.
  
  Fig 4: BCM Connector M20 And Ground Continuity Specification Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace front door lock assembly LH (actuator). Refer to "FRONT DOOR LOCK ".
2. NG: Repair or replace harness.
Fig 5: Checking Continuity Between BCM Connector M20 Terminals 59, 65 And Front Door Lock Assembly LH Connector D14 Terminals 2 And 3
Courtesy of NISSAN MOTOR CO., U.S.A.