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Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1496 (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 2005 Nissan Quest. 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.

    OK or NG

    • OK: GO TO 2.
    • NG: Inspect malfunctioning switch system.
      Fig 1: Displaying DATA MONITOR Mode Screen
      G02477787Courtesy of NISSAN MOTOR CO., U.S.A.
  2. ACTIVE TEST 
    1. Select "BCM" on CONSULT-II. Select "INT LAMP" active test.
      Fig 2: Displaying INT LAMP On ACTIVE TEST Screen
      G02477788Courtesy of NISSAN MOTOR CO., U.S.A.
    2. When lamps on demand switch is in "DOOR" position, use active test to make sure interior room lamp operates.

    OK or NG

  3. CHECK INTERIOR ROOM LAMP INPUT 
    1. Turn ignition switch OFF.
    2. Check voltage between room/map lamp harness connector R9 terminal 1 (R/G) and ground.
      Fig 3: Checking Voltage Between Room/Map Lamp Harness Connector R9 Terminal 1 & Ground
      G02477789Courtesy of NISSAN MOTOR CO., U.S.A.

      1 (R/G) - Ground: Battery voltage should exist. 

    OK or NG

    • OK: GO TO 4.
    • NG: GO TO  6.
  4. CHECK LAMPS ON DEMAND SWITCH 
    1. Disconnect lamps on demand switch connector.
    2. Check continuity between lamps on demand switch terminals.
      Fig 4: Checking Continuity Between Lamps On Demand Switch Terminals
      G02477791Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 5: Terminals Continuity Reference Chart
      G02477790Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: GO TO 5.
    • NG: Replace lamps on demand switch.
  5. CHECK INTERIOR ROOM LAMP CIRCUIT 
    1. Connect lamps on demand switch connector.
    2. Turn lamps on demand switch to DOOR position.
    3. Disconnect BCM connector.
    4. Check continuity between BCM harness connector M19 terminal 48 (P) and lamps on demand switch harness connector M108 terminal 3 (P).

      (P) - 3 (P): Continuity should exist. 

    OK or NG

    • OK: Replace BCM if interior lamp does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    • NG: Repair harness or connector.
      Fig 6: Checking Continuity Between BCM Harness Connector M19 Terminal 48 & Lamps On Demand Switch Harness Connector M108 Terminal 3
      G02477792Courtesy of NISSAN MOTOR CO., U.S.A.
  6. CHECK INTERIOR ROOM LAMP CIRCUIT 
    1. Disconnect BCM connector and interior room lamp connector.
    2. Check continuity between BCM harness connector M19 terminal 41 (R/G) and interior room/map lamps harness connector R9 terminal 1 (R/G).
      Fig 7: Checking Continuity Between BCM Harness Connector M19 Terminal 41 Interior Room/Map Lamps Harness Connector R9 Terminal 1
      G02477793Courtesy of NISSAN MOTOR CO., U.S.A.

      41 (R/G) - 1 (R/G): Continuity should exist. 

    OK or NG

    • OK: Replace BCM if interior lamp does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    • NG: Repair harness or connector between BCM and room/map lamp or between room/map lamp and lamps on demand switch.