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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1683 (Lighting System) >> Interior Room Lamp >> Room/Map Lamp Control Does Not Operate
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Room/Map Lamp Control Does Not Operate

WARNING: This page is about a different car, the 2006 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. 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.

    Fig 1: CONSULT II Display - Data Monitor
    G04136301Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 2.

    NG: Inspect malfunctioning switch system.

  2. 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. 

    Fig 2: CONSULT-II Display - INT Lamp
    G04177014Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

    NG: GO TO 3.

  3. CHECK INTERIOR ROOM LAMP INPUT 
    1. Turn ignition switch OFF.
    2. Check voltage between front room/map lamp assembly harness connector R9 terminal 1 and ground.

      1 - Ground: Battery voltage should exist. 

    Fig 3: Checking Voltage Between Front Room/Map Lamp Assembly Harness Connector R9 Terminal 1 And Ground
    G04177015Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: GO TO 4.

    NG: GO TO  5.

  4. 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 R9 terminal 2.

      63 - 2: Continuity should exist. 

    Fig 4: Checking Continuity Between Connector M20 Terminal 63 And Front Room/Map Lamp Assembly Harness Connector R9 Terminal 2
    G04177016Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace BCM if interior lamp does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION ".

    NG: Repair harness or connector.

  5. CHECK INTERIOR ROOM LAMP CIRCUIT 
    1. Disconnect BCM connector and front room/map lamp assembly connector.
    2. Check continuity between BCM harness connector M20 terminal 56 and front room/map lamp assembly harness connector R9 terminal 1.

      56 - 1: Continuity should exist. 

    Fig 5: Checking Continuity Between BCM Harness Connector M20 Terminal 56 And Front Room/Map Lamp Assembly Harness Connector R9 Terminal 1
    G04177017Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Replace BCM if interior lamp does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION ".

    NG: Repair harness or connector between BCM and room/map lamp.

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