All Interior Room Lamps Do Not Operate

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK POWER SUPPLY CIRCUIT
1. All interior room lamps switch are OFF.
2. Turn ignition switch ON.
3. Check voltage between BCM harness connector M4 terminal 41 and ground.
  41 - Ground : Battery voltage.
  
  Fig 1: Identifying Voltage Between BCM Connector Terminal 41 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: Repair harness or connector. In a case of making a short circuit, be sure to disconnect cable from the negative terminal repairing harness, and then reconnect.

NG: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".