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All Step/Foot/Puddle Lamps Do Not Operate

WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK EACH DOOR 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: Identifying Data Monitor Display
    G02386495Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK STEP LAMP POWER SUPPLY 
    1. Turn ignition switch OFF.
    2. Check voltage between front step lamp LH harness connector D11 terminal + (R/G) and ground.
      • + (R/G) - Ground: Battery voltage should exist. 

    OK or NG

    • OK: GO TO 3.
    • NG: GO TO 4.
    Fig 2: Checking Voltage Between Front Step Lamp LH Harness Connector D11 Terminal + (R/G) And Ground
    G02386496Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK STEP LAMP CONTROL CIRCUIT 
    1. Disconnect BCM connector and front step lamp LH connector.
    2. Check continuity between BCM harness connector M20 terminal 62 (R/W) and front step lamp LH harness connector D11 terminal - (R/W).
      • - (R/W) - 62 (R/W): Continuity should exist. 

    OK or NG

    • OK: Replace BCM if step lamp does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    • NG: Repair harness or connector.
    Fig 3: Checking Continuity Between BCM Harness Connector M20 Terminal 62 And Front Step Lamp LH Harness Connector D11 Terminal -
    G02386497Courtesy of NISSAN MOTOR CO., U.S.A.
  4. CHECK STEP LAMP CIRCUIT 
    1. Disconnect BCM connector and front step lamp LH connector.
    2. Check continuity between BCM harness connector M20 terminal 56 (R/G) and front step lamp LH harness connector D11 terminal + (R/G).
      • + (R/G) - 56 (R/G): Continuity should exist. 

    OK or NG

    • OK: Replace BCM if step lamp does not work after setting the connector again. Refer to "REMOVAL AND INSTALLATION OF BCM ".
    • NG: Repair harness or connector.
    Fig 4: Checking Continuity Between BCM Harness Connector M20 Terminal 56 And Front Step Lamp LH Harness Connector D11 Terminal +
    G02386498Courtesy of NISSAN MOTOR CO., U.S.A.
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