Nissan Rogue (T33) 2021-Present Service Manual: B2720-34 Corner Sensor [rl]

Nissan Rogue (T33) 2021-Present Service Manual / Driver Information & Multimedia :: Sonar System / Dtc/circuit Diagnosis :: Sonar (sonar Control Unit) / B2720-34 Corner Sensor [rl]

DTC Description

DTC DETECTION LOGIC

DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition
B2720-34

CORNER SENSOR [RL]

(Corner sensor [rear left]) 		Diagnosis condition When ignition switch is ON
Signal (terminal) Rear sonar sensor signal LH outer
Threshold An abnormal sensor signal is input from sonar sensor (Pulse signal high side is short)
Diagnosis delay time 4 seconds or more

POSSIBLE CAUSE

  • Harness and connector between sonar control unit and rear sonar sensor LH outer

  • Rear sonar sensor LH outer

FAIL-SAFE

Stop the obstacle detection function

CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Turn ignition switch ON.

  2. Turn ignition switch OFF and wait at least 30 seconds.

  3. Turn ignition switch ON and wait at least 30 seconds or more.

  4. Select “Self Diagnostic Result” mode of “SONAR” using CONSULT.

  5. Check the DTC.

Is DTC “B2720–34” detected?

YES>>

Refer to Diagnosis Procedure.

NO-1>>

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

NO-2>>

Confirmation after repair: INSPECTION END

Diagnosis Procedure

CHECK REAR SONAR SENSOR SIGNAL LH OUTER CIRCUIT (OPEN)

  1. Turn ignition switch OFF.

  2. Disconnect sonar control unit connector and rear sonar sensor LH outer connector.

  3. Check continuity between sonar control unit harness connector and rear sonar sensor LH outer connector

    Sonar control unit Rear sonar sensor LH outer Continuity
    Connector Terminal Connector Terminal
    B20 22 B457 2 Existed

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair the harness or connector.

CHECK REAR SONAR SENSOR LH OUTER GROUND CIRCUIT

Check continuity between sonar control unit harness connector and rear sonar sensor LH outer harness connector.

Sonar control unit Rear sonar sensor LH outer Continuity
Connector Terminal Connector Terminal
B20 14 B457 3 Existed

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair the harness or connector.

CHECK REAR SONAR SENSOR SIGNAL LH OUTER

  1. Connect sonar control unit connector and rear sonar sensor LH outer connector.

  2. Turn ignition switch ON.

  3. Check the signal between sonar control unit terminals as per the following condition.

    + − Condition Voltage
    Sonar control unit
    Connector Terminal Connector Terminal
    B20 22 B20 14

    • Shift position is in R position.

    • When the sensor is detecting an obstacle

Is the inspection result normal?

YES>>

Replace the sonar control unit. Refer to Removal and Installation.

NO>>

Replace the rear sonar sensor LH outer. Refer to Removal and Installation.

    B2720-16 Corner Sensor [rl]
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition B2720-16 CORNER SENSOR [RL] (Corner sensor [rear left]) Diagnosi...
    B2721-81 Center Sensor [rl]
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition B2721-81 CENTER SENSOR [RL] Center sensor [RL] Diagnosis conditi...

    Other materials:

    Switching Signal Circuit
    Side Radar Front Rh Diagnosis Procedure CHECK CONNECTOR Turn the ignition switch OFF. Check the terminals and connectors of the side radar front LH/RH for damage, bend and short (unit side and connector side). Is the inspection result normal? YES>> GO TO 2. NO>> ...

    P050a Cold Start Control
    DTC Description DESCRIPTIONECM controls ignition timing and engine idle speed when engine is started with pre-warming up condition.This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions.DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diag ...

    Sièges, ceintures de sécurité et systèmes de retenue supplémentaires (SRS)
    Dans le Nissan Rogue, la sécurité des occupants repose sur l’association des ceintures, des appuie-tête et des dispositifs SRS (airbags et capteurs). Reportez-vous toujours aux avertissements du manuel avant toute intervention sur un composant SRS. Airbags avant : protection frontale du ...