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Step Lamp Does Not Operate

WARNING: This page is about a different car, the 2003 Nissan Murano. 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 to make sure switches listed below turn ON-OFF linked with switch operation.

    DOOR SWITCH CHECK CHART

    Switch name CONSULT screen
    Driver side door switch DOOR SW - DR
    Passenger side door switch DOOR SW - AS

    OK or NG

    1. OK : GO TO 2.
    2. NG : Inspect malfunctioning switch system.
    Fig 1: Displaying Switches In Data Monitor Mode
    G03359756Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK STEP LAMP INPUT 
    1. Turn ignition switch OFF.
    2. Check voltage between step lamp harness connector (driver side/passenger side) and ground.
      STEP LAMP INPUT CHECK CHART

      Terminals Voltage
      (+) (-)
      Connector Terminal (Wire color)
      Driver side D9 1 (P) Ground Battery voltage
      Passenger side D37

    OK or NG

    1. OK : GO TO 3.
    2. NG : GO TO  4 .
    Fig 2: Checking Voltage Between Step Lamp Harness Connector (Driver Side/Passenger Side) And Ground
    G03359757Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK STEP LAMP CIRCUIT 
    1. Disconnect BCM connector and step lamp (driver side/passenger side) connectors.
    2. Check continuity between BCM harness connector M35 terminal 33 (R/W) and step lamp (driver side) harness connector D9 terminal 2 (R/W).
      1. Continuity should exist. 
    3. Check continuity between BCM harness connector M35 terminal 33 (R/W) and step lamp (passenger side) harness connector D37 terminal 2 (R/W).
      1. Continuity should exist. 
      Fig 3: Checking Continuity Between BCM Harness Connector M35 Terminal 33 And Step Lamp (Driver Side) Harness Connector D9 Terminal 2, And Between BCM Harness Connector M35 Terminal 33 And Step Lamp (Passenger Side) Harness Connector D37 Terminal 2
      G03359758Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : Replace BCM. Refer to REMOVAL AND INSTALLATION OF BCM .
    2. NG : Repair harness or connector.
  4. CHECK STEP LAMP CIRCUIT 
    1. Disconnect BCM connector and step lamp connector.
    2. Check continuity between BCM harness connector M35 terminal 24 (P) and step lamp (driver side) harness connector D9 terminal 1 (P).
      1. Continuity should exist. 
    3. Check continuity between BCM harness connector M35 terminal 24 (P) and step lamp (passenger side) harness connector D37 terminal 1 (P).
      1. Continuity should exist. 
      Fig 4: Checking Continuity Between BCM Harness Connector M35 Terminal 24 And Step Lamp (Driver Side) Harness Connector D9 Terminal 1, And Between BCM Harness Connector M35 Terminal 24 And Step Lamp (Passenger Side) Harness Connector D37 Terminal 1
      G03359759Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : Replace BCM. Refer to REMOVAL AND INSTALLATION OF BCM .
    2. NG : Repair harness or connector.
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