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Map Lamp Control Does Not Operate (Coupe models)

WARNING: This page is about a different car, the 2005 Nissan 350Z. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK BETWEEN EACH SWITCH AND BCM 

    Select BCM on CONSULT-II. Use "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 

    • OK: GO TO 2.
    • NG: Inspect malfunctioning switch system.
    Fig 1: Scan Tool Display "Data Monitor"
    G02405892Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK BETWEEN BCM AND MAP LAMP 
    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 room lamp operates.
      • Map lamp should operate. 

    OK or NG 

    Fig 2: Scan Tool Display "Active Test"
    G02405893Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK POWER SUPPLY CIRCUIT 
    1. Turn ignition switch ON.
    2. Check voltage between map lamp harness connector R52 terminal 3 (R/B) and ground.
      • 3 (R/B) - Ground: Battery voltage. 

    OK or NG 

    • OK: GO TO  6.
    • NG: GO TO 4
    Fig 3: Map Lamp Harness Connector R52 Terminal 3 & Ground Voltage Test
    G02405894Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK MAP LAMP CIRCUIT 
    1. Disconnect BCM connector and map lamp connector.
    2. Check continuity between BCM harness connector M91 terminal 41 (R/B) and map lamp harness connector R52 terminal 3 (R/B).
      • 41 (R/B) - 3 (R/B): Continuity should exist. 

    OK or NO 

    • OK: GO TO 5.
    • NG: Repair harness or connector.
    Fig 4: BCM Harness Connector M91 Terminal 41 & Map Lamp Harness Connector R52 Terminal 3 Continuity Test
    G02405895Courtesy of NISSAN MOTOR CO., U.S.A.
  5. CHECK SHORT CIRCUIT 

    Check continuity between map lamp harness connector R52 terminal 3 (R/B) and ground.

    • 3 (R/B) - Ground: Continuity should not exist. 

    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: After repairing harness, be sure to disconnect battery negative cable, and then reconnect it.
    Fig 5: Map Lamp Harness Connector R52 Terminal 3 & Ground Continuity Test
    G02405896Courtesy of NISSAN MOTOR CO., U.S.A.
  6. CHECK MAP LAMP 
    1. Disconnect map lamp connector.
    2. Check continuity between map lamp.
    Fig 6: Map Lamp Connector Terming 3 & 2 Continuity Specification Table
    G02405897Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK: GO TO 7.
    • NG: Replace map lamp
    Fig 7: Map Lamp Connector Terming 3 & 2 Continuity Test
    G02405898Courtesy of NISSAN MOTOR CO., U.S.A.
  7. CHECK MAP LAMP CIRCUIT 
    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector M91 terminal 48 (P) and map lamp harness connector R52 terminal 2 (PU/W).
      • 48 (P) - 2 (PU/W): Continuity should exist. 

    OK or NO 

    • 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.
    Fig 8: BCM Harness Connector M91 Terminal 48 And Map Lamp Harness Connector R52 Terminal 2 Continuity Test
    G02405899Courtesy of NISSAN MOTOR CO., U.S.A.
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