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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1769 (Lighting System (Sedan)) >> Interior Room Lamp >> Map Lamp Control Does Not Operate
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Map Lamp Control Does Not Operate

WARNING: This page is about a different car, the 2006 Infiniti G35. 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 to 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
    G04123811Courtesy 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 map lamp switch is in "DOOR" position, use active test to make sure map lamp operates.

      Map lamp should operate. 

      Fig 2: CONSULT-II Display - INT LAMP
      G04123812Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

  3. CHECK MAP LAMP INPUT 
    1. Turn ignition switch OFF.
    2. Check voltage between map lamp harness connector R52 terminal 2 and ground.

      2 - Ground : Battery voltage. 

      Fig 3: Identifying Voltage Between Map Lamp Harness Connector R52 Terminal 2 And Ground
      G04123813Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK: GO TO  6.
    • NG: GO TO 4.
  4. CHECK MAP LAMP 
    1. Disconnect map lamp connector.
    2. Check continuity between map lamp.
      TERMINALS CONTINUITY CHART

      Terminal Condition Continuity
      Map lamp
      2 3 Map lamp switch is DOOR Yes
      Map lamp switch is OFF No
      Fig 4: Identifying Continuity Between Map Lamp
      G04123814Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK: GO TO 5.
    • NG: Replace map lamp.
  5. CHECK MAP LAMP CIRCUIT 
    1. Disconnect BCM connector and map lamp connector.
    2. Check continuity between BCM harness connector M2 terminal 41 and map lamp harness connector R52 terminal 3.

      41 - 3 : Continuity should exist. 

      Fig 5: Identifying Continuity Between BCM M2 Terminal 41 And Map Lamp Connector R52 Terminal 3
      G04123815Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK: Replace BCM if map lamp does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    • NG: Repair harness or connector.
  6. CHECK MAP LAMP CIRCUIT 
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector M2 terminal 48 and map lamp harness connector R52 terminal 2.

      48 - 2 : Continuity should exist. 

      Fig 6: Identifying Continuity Between BCM Connector M2 Terminal 48 And Map Lamp Connector R52 Terminal 2
      G04123816Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK: Replace BCM if map lamp does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    • NG: Repair harness or connector.