LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2013 >> Sentra S, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Security Control System (With Intelligent Key System) (DTCS)) >> DTC/Circuit Diagnosis >> DTC B2555: Stop Lamp >> Diagnosis Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnosis Procedure

WARNING: This page is about a different car, the 2017 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK STOP LAMP SWITCH INPUT SIGNAL 1

    1. Turn ignition switch OFF.
    2. Disconnect BCM connector.
    3. Check voltage between BCM harness connector and ground.
      (+) (-) Voltage (V)
      (Approx.)
      BCM
      Connector Terminal
      M83 66 Ground Battery voltage

    Is the inspection normal?

    YES 

    GO TO STEP 2  .

    NO-1 

    Check 10 A fuse [No. 30, located in the fuse block (J/B)].

    NO-2 

    Check harness for open or short between BCM and fuse.

  2. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT

    1. Disconnect stop lamp switch connector.
    2. Check voltage between stop lamp switch harness connector and ground.
      (+) (-) Voltage (V)
      (Approx.)
      Stop lamp switch
      Connector Terminal
      E60 1 Ground Battery voltage

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    Check harness for open or short between stop lamp switch and fuse.

  3. CHECK STOP LAMP SWITCH INPUT SIGNAL 2

    1. Connect stop lamp switch connector.
    2. Check voltage between BCM harness connector and ground.
      (+) (-) Condition Voltage (V)
      (Approx.)
      BCM
      Connector Terminal
      M84 9 Ground Brake pedal Depressed Battery voltage
      Not depressed 0

    Is the inspecting result normal?

    YES 

    GO TO STEP 4  .

    NO 

    GO TO STEP 5  .

  4. REPLACE BCM

    1. Replace BCM. Refer to REMOVAL AND INSTALLATION .
    2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.

    Inspection End.

  5. CHECK STOP LAMP SWITCH CIRCUIT

    1. Disconnect stop lamp switch connector.
    2. Check continuity between stop lamp switch harness connector and BCM harness connector.
      Stop lamp switch BCM Continuity
      Connector Terminal Connector Terminal
      E60 2 M84 9 Yes
    3. Check continuity between stop lamp switch harness connector and ground.
      Stop lamp switch Ground Continuity
      Connector Terminal
      E60 2 No

    Is the inspection result normal?

    YES 

    GO TO STEP 6  .

    NO 

    Repair or replace harness.

  6. CHECK STOP LAMP SWITCH

    Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 7  .

    NO 

    Replace stop lamp switch. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .

  7. CHECK INTERMITTENT INCIDENT

    Refer to INTERMITTENT INCIDENT .

    Inspection End.