Room/Map Lamp Control Does Not Operate

WARNING: This page is about a different car, the 2006 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.

CHECK EACH SWITCH
Select "BCM" on CONSULT-II. With "INT LAMP" data monitor, make sure switches listed in display item list turn ON-OFF linked with switch operation. Refer to "DISPLAY ITEM LIST " for switches and their functions.

OK or NG
- OK : GO TO 2.
- NG : Inspect malfunctioning switch system.
  
  Fig 1: CONSULT II Display - Data Monitor
  Courtesy of NISSAN MOTOR CO., U.S.A.
ACTIVE TEST
1. Select "BCM" on CONSULT-II. Select "INT LAMP" active test.
2. When switch is in DOOR position, use active test to make sure interior room lamp operates.
  Room lamps should turn ON.
OK or NG
- OK : Replace BCM. Refer to "BCM ".
- NG : GO TO 3.
  
  Fig 2: Consult-II Screen Display - Active Test
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK INTERIOR ROOM LAMP INPUT
1. Turn ignition switch OFF.
2. Check voltage between front room/map lamp assembly harness connector R102 terminal 1 and ground.
  1 - Ground : Battery voltage should exist.
OK or NG
- OK : GO TO 4.
- NG : GO TO 5.
  
  Fig 3: Identifying Voltage Between Front Room/Map Lamp Assembly Harness Connector R102 Terminal 1 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK INTERIOR ROOM LAMP CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector M20 terminal 63 and front room/map lamp assembly harness connector R102 terminal 1.
  63 - 1 : Continuity should exist.
OK or NG
- OK : Replace BCM if interior lamp does not work after setting the connector again. Refer to "BCM ".
- NG : Repair harness or connector.
  
  Fig 4: Identifying Continuity Between BCM Terminal 63 And Front Room/Map Lamp Assembly Terminal 1
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK INTERIOR ROOM LAMP CIRCUIT
1. Disconnect BCM connector and interior room lamp connector.
2. Check continuity between BCM harness connector M20 terminal 56 and front room/map lamp assembly harness connector R102 terminal 6.
  56 - 6 : Continuity should exist.
OK or NG
- OK : Replace BCM if interior lamp does not work after setting the connector again. Refer to "BCM ".
- NG : Repair harness or connector between BCM and room/map lamp.
  
  Fig 5: Identifying Continuity Between BCM Terminal 56 And Front Room/Map Lamp Assembly Terminal 6
  Courtesy of NISSAN MOTOR CO., U.S.A.