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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 278 (Lighting System) >> Interior Room Lamp >> Front Room/Map Lamp Assembly Control Does Not Operate
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Front Room/Map Lamp Assembly Control Does Not Operate

WARNING: This page is about a different car, the 2005 Nissan Titan. 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: BCM On CONSULT-II With INT LAMP Display
    G03604937Courtesy 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 Active Test Screen
    G03604938Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

  3. CHECK FRONT ROOM/MAP LAMP ASSEMBLY INPUT 
    1. Turn ignition switch OFF.
    2. Check voltage between front room/map lamp assembly harness connector R102 terminal 6 (R/G) and ground.

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

      3. Fig 3: Checking Voltage Between Front Room/Map Lamp Assembly Harness Connector Terminal And Ground
      G03604939Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK: GO TO 4.
    • NG: GO TO 5.
  4. CHECK FRONT ROOM/MAP LAMP ASSEMBLY CIRCUIT 
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector M20 terminal 63 (L) and front room/map lamp assembly harness connector R102 terminal 1 (L).

      63 (L) - 1 (L): Continuity should exist  .

      3. Fig 4: Checking Continuity Between BCM Harness Connector M20 Terminal 63 And Front Room/Map Lamp Assembly Harness Connector R102 Terminal 1
      G03604940Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK: Replace front room/map lamp assembly.
    • NG: Repair harness or connector.
  5. CHECK FRONT ROOM/MAP LAMP ASSEMBLY CIRCUIT 
    1. Disconnect BCM connector and interior room lamp connector.
    2. Check continuity between BCM harness connector M20 terminal 56 (R/G) and front room/map lamp assembly harness connector R102 terminal 6 (R/G).

      56 (R/G) - 6 (R/G): Continuity should exist  .

      3. Fig 5: Checking Continuity Between BCM Harness Connector M20 Terminal 56 And Front Room/Map Lamp Assembly Harness Connector R102 Terminal 6
      G03604941Courtesy 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 OF BCM ".
    • NG: Repair harness or connector between BCM and room/map lamp.
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