Nissan Rogue (T33) 2021-Present Service Manual: Dtc/circuit Diagnosis :: B2f70-01 Stop Lamp

Nissan Rogue (T33) 2021-Present Service Manual / Body Exterior, Doors, Roof & Vehicle Security :: Security Control System / Dtc/circuit Diagnosis :: B2f70-01 Stop Lamp

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen items

(Trouble diagnosis content) 		DTC detecting condition
B2F70-01

Stop lamp

(Stop lamp) 		Diagnosis condition When brake pedal is depressed
Signal (terminal)

  • Stop lamp switch 1 signal

  • Stop lamp switch 2 signal
Threshold BCM makes a comparison between stop lamp switch 1 signal and stop lamp switch 2 signal. It judges from their values to detect the malfunctioning circuit 10 consecutive times
Diagnosis delay time Depress brake pedal 10 times

POSSIBLE CAUSE

  • Harness or connectors

    (Stop lamp switch circuit is open or shorted)

  • Stop lamp switch

  • Fuse

FAIL-SAFE

—

CONFIRMATION PROCEDURE

DTC CONFIRMATION

CONSULT

  1. Depress brake pedal 10 times.

  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 STOP LAMP SWITCH

CONSULT

  1. Select “Brake switch 1” and “Brake switch 2” in “Data monitor” mode of “BCM [SIGNAL BUFFER]”.

  2. Check “Brake switch 1” and “Brake switch 2” indication under the following condition:

Monitor item Condition Indication
Brake switch 1 Brake pedal Depressed Off
Not depressed On
Brake switch 2 Depressed On
Not depressed Off

Is the indication normal?

YES>>

Stop lamp switch is OK.

NO-1>>

Brake switch 1: GO TO 2.

NO-2>>

Brake switch 2: GO TO 7.

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 3.

CHECK STOP LAMP SWITCH SIGNAL-1

  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>>

Inspection End.

NO>>

GO TO 4.

CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT-1

  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 5.

NO>>

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

CHECK STOP LAMP SWITCH SIGNAL CIRCUIT-1

  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 6.

NO>>

Repair or replace harness.

CHECK STOP LAMP SWITCH

Refer to Component Inspection.

Is the inspection result normal?

YES>>

Inspection End.

NO>>

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

CHECK FUSE

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

Signal name Fuse No.
Battery power supply 21 (10 A)

Is the fuse blown (open)?

YES>>

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

NO>>

GO TO 8.

CHECK STOP LAMP SWITCH SIGNAL-2

  1. Ignition switch OFF.

  2. Disconnect BCM connector.

  3. Check voltage between BCM harness connector and ground.

    (+) (–) Condition

    Voltage

    (Approx.)
    BCM
    Connector Terminal
    E29 (with type B meter) 110 Ground Stop lamp switch 2 ON (brake pedal is depressed) Battery voltage
    E60 (with type A meter) 115 Stop lamp switch 2 OFF (brake pedal is not depressed) 0 V

Is the inspection normal?

YES>>

Inspection End.

NO>>

GO TO 9.

CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT-2

  1. Disconnect stop lamp switch connector.

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

    (+) (–)

    Voltage

    (Approx.)
    Stop lamp switch
    Connector Terminal
    E38 1 Ground Battery voltage

Is the inspection result normal?

YES>>

GO TO 10.

NO>>

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

CHECK STOP LAMP SWITCH SIGNAL CIRCUIT-2

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

    Stop lamp switch BCM Continuity
    Connector Terminal Connector Terminal
    E38 2 E29 (with type B meter) 110 Yes
    E60 (with type A meter) 115

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

    Stop lamp switch — Continuity
    Connector Terminal
    E38 2 Ground No

Is the inspection result normal?

YES>>

GO TO 6.

NO>>

Repair or replace harness.

    Dtc/circuit Diagnosis. B2c20-23 Starter Control Relay
    DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detecting condition B2C20-23 Starter control relay (Starter control relay) Diagn...
    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 brak...

    Other materials:

    Removal and Installation. Coil Spring
    Exploded View Upper rubber seat Coil spring Lower rubber seat Rear lower link         : Nissan Ariya Vehicle front         Removal and Installation REMOVALRemove tires. Refer to Removal & Installation.. Using j ...

    P14a7 Charge Air Cooler Cooling Electric Water Pump
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition P14A7 Charge air cooler cooling electric W/P (Charge air cooler cooling electric water pump) Diagnosis condition Engine running at idle Warm-up conditio ...

    System Description. Component Parts
    Component Parts Location A. View of back side of rear bumper fascia assembly B. View with front bumper fascia assembly removed     No. Component Function 1. Back door opener switch (request switch) Refer to Back Door Opener Switch. 2. Back door lock ass ...