Rear Door Lock Actuator RH/LH 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 65, 66 and ground.
  
  Fig 1: BCM Connector M20 And Ground Voltage Specification Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 2: Checking Voltage Between BCM Connector M20 Terminals 65, 66 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 REAR DOOR LOCK ACTUATOR LH OR RH HARNESS
1. Disconnect BCM and each door lock actuator.
2. Check continuity between BCM connector M20 terminals 65, 66 and rear door lock actuator RH/LH connectors terminals 2, 3.
  
  Fig 3: BCM Terminals 65, 66 And Rear Door Lock Actuator RH/LH Terminals 2 And 3 Continuity Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check continuity between BCM connector M20 terminals 65, 66 and ground.
  
  Fig 4: BCM Terminals 65, 66 And Ground Continuity Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Replace door lock actuator. Refer to "REAR DOOR LOCK ".
2. NG: Repair or replace harness.
Fig 5: Checking Continuity Between BCM Connector M20 Terminals 65, 66 And Rear Door Lock Actuator RH/LH Connectors Terminals 2 And 3
Courtesy of NISSAN MOTOR CO., U.S.A.