2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

Map Lamp Control Does Not Operate

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. 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.

    OK or NG 

    1. OK: GO TO 2.
    2. NG: Inspect malfunctioning switch system.
    Fig 1: CONSULT-II Diagnosis Function Display (1 Of 2)
    G02359362Courtesy of NISSAN MOTOR CO., U.S.A.
  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.
      1. Map lamp should operate. 

    OK or NG 

    1. OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    2. NG: GO TO 3.
    Fig 2: CONSULT-II Diagnosis Function Display (2 Of 2)
    G02359363Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK MAP LAMP INPUT 
    1. Turn ignition switch OFF.
    2. Check voltage between map lamp harness connector R52 terminal 2 (PU) and ground.
      1. 2 (PU) - Ground: Battery voltage. 

    OK or NG 

    1. OK: GO TO  5.
    2. NG: GO TO 4.
    Fig 3: Checking Voltage Between Terminal 2 And Ground
    G02359364Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK MAP LAMP 
    1. Disconnect map lamp connector.
    2. Check continuity between map lamp.
      Fig 4: Continuity Table
      G02359365Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 5.
    2. NG: Replace Map lamp.
    Fig 5: Checking Continuity Between Map Lamp Terminal
    G02359366Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK MAP LAMP CIRCUIT 
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector M4 terminal 41 (R/B) and map lamp harness connector R52 terminal 3 (R).
      1. 41 (R/B) - 3 (R): Continuity should exist. 

    OK or NG 

    1. OK: Replace BCM if map lamp does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    2. NG: Repair harness or connector.
    Fig 6: Checking Continuity Between Terminal 41 And Terminal 3
    G02359367Courtesy of NISSAN MOTOR CO., U.S.A.
  6. CHECK MAP LAMP CIRCUIT 
    1. Disconnect BCM connector and map lamp connector.
    2. Check continuity between BCM harness connector M4 terminal 48 (PU/W) and map lamp harness connector R52 terminal 2 (PU).
      1. 48 (PU/W) - 2 (PU): Continuity should exist. 

    OK or NG 

    1. OK: Replace BCM if map lamp does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    2. NG: Repair harness or connector.
    Fig 7: Checking Continuity Between Terminal 48 And Terminal 2
    G02359368Courtesy of NISSAN MOTOR CO., U.S.A.
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