Check Fuel Lid Opener Actuator

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUEL LID OPENER ACTUATOR CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM and fuel lid lock actuator connector.
3. Check continuity between BCM connector M4 terminals 44, 50 and fuel lid lock actuator connector B70 terminals 1, 2.
  1. 44 (Y) - 2 (L) : Continuity should exist.
  2. 50 (PU) - 1 (PU) : Continuity should exist.
4. Check continuity between BCM connector M4 terminals 44, 50 and ground.
  1. 44 (Y) - Ground : Continuity should not exist.
  2. 50 (PU) - Ground : Continuity should not exist.
Fig 1: Checking Continuity Between BCM Connector M4 Terminals 44, 50 And Fuel Lid Lock Actuator Connector B70 Terminals 1, 2
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : Replace fuel lid actuator.
2. NG : Repair or replace harness.