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Diagnosis Procedure

  1. CHECK FRONT DOOR SWITCH INPUT SIGNAL

    1. Turn Ignition Switch OFF.
    2. Disconnect malfunction front door switch connector.
    3. Check signal between malfunction front door switch harness connector and ground with oscilloscope.
      (+) (-) Voltage (V)
      (Approx.)
      Front door switch
      Connector Terminal
      Driver Side B16 2 Ground
      G06991539Courtesy of NISSAN NORTH AMERICA, INC.
      Passenger Side B216

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 2  .

  2. CHECK DOOR SWITCH CIRCUIT

    1. Disconnect BCM connector.
    2. Check continuity between BCM harness connector and malfunction door switch harness connector.
      BCM Front door switch Continuity
      Connector Terminal Connector Terminal
      M123 124 B216 2 Exists
      150 B16
    3. Check continuity between BCM harness connector and ground.
      BCM Ground Continuity
      Connector Terminal
      M123 124 Not exist
      150

    Is the inspection result normal?

    YES 

    Replace BCM. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .

    NO 

    Repair or replace harness.

  3. CHECK FRONT DOOR SWITCH

    Check front door switch.

    Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

    Replace malfunction front door switch. Refer to REMOVAL AND INSTALLATION .

  4. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    INSPECTION END

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