Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2f71-23 Stop Lamp

Nissan Rogue (T33) 2021-Present Service Manual / Body Exterior, Doors, Roof & Vehicle Security :: Security Control System / Dtc/circuit Diagnosis :: B2f71-23 Stop Lamp

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC detecting condition
B2F71-23

Stop lamp

(Stop lamp) 		Diagnosis condition When brake pedal is depressed
Signal (terminal) Stop lamp switch 1 signal
Threshold When stop lamp switch 1 signal is not input when brake pedal depressed.
Diagnosis delay time 10 hours or more

POSSIBLE CAUSE

  • Harness or connectors

    (Stop lamp switch circuit is short to battery)

  • Stop lamp switch

  • Fuse

  • BCM

FAIL-SAFE

—

CONFIRMATION PROCEDURE

DTC CONFIRMATION

CONSULT

  1. Depress brake pedal 10 hours or more.

  2. Ignition switch ON.

  3. Select “Self diagnosis result” mode of “BCM”.

Is DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: Inspection End.

DTC Diagnosis Procedure

CHECK FUSE

Check that the following fuse is not blown (open):

Signal name Fuse No.
Battery power supply 32 (5 A)

Is the fuse blown (open)?

YES>>

Replace the blown (open) fuse after replacing the cause of blown (open).

NO>>

GO TO 2.

CHECK STOP LAMP SWITCH SIGNAL

  1. Ignition switch OFF.

  2. Disconnect BCM connector.

  3. Ignition switch ON.

  4. Check voltage between BCM harness connector and ground.

    (+) (–) Condition

    Voltage

    (Approx.)
    BCM
    Connector Terminal
    E29 (with type B meter) 111 Ground Stop lamp switch 1 ON (brake pedal is not depressed) Battery voltage
    E60 (with type A meter) 116 Stop lamp switch 1 OFF (brake pedal is depressed) 0 V

Is the inspection normal?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

GO TO 3.

CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT

  1. Ignition switch OFF.

  2. Disconnect stop lamp switch connector.

  3. Ignition switch ON.

  4. Check voltage between stop lamp switch harness connector and ground.

    (+) (–)

    Voltage

    (Approx.)
    Stop lamp switch
    Connector Terminal
    E38 4 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

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

CHECK STOP LAMP SWITCH SIGNAL CIRCUIT

  1. Ignition switch OFF.

  2. Check continuity between stop lamp switch harness connector and BCM harness connector.

    Stop lamp switch BCM Continuity
    Connector Terminal Connector Terminal
    E38 3 E29 (with type B meter) 111 Yes
    E60 (with type A meter) 116

  3. Check continuity between stop lamp switch harness connector and ground.

    Stop lamp switch — Continuity
    Connector Terminal
    E38 3 Ground No

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace harness.

CHECK STOP LAMP SWITCH

Refer to Component Inspection.

Is the inspection result normal?

YES>>

Replace BCM. Refer to Removal and Installation.

NO>>

Replace stop lamp switch. Refer to Exploded View (without ProPILOT ASSIST), or Exploded View (with ProPILOT ASSIST).

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