Nissan Rogue (T33) 2021-Present Service Manual: B2721-12 Center Sensor [rl]

Nissan Rogue (T33) 2021-Present Service Manual / Driver Information & Multimedia :: Sonar System / Dtc/circuit Diagnosis :: Sonar (sonar Control Unit) / B2721-12 Center Sensor [rl]

DTC Description

DTC DETECTION LOGIC

DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition
B2721-12

CENTER SENSOR [RL]

(Center sensor [RL]) 		Diagnosis condition When ignition switch is ON
Signal (terminal) Rear sonar sensor signal LH inner
Threshold Short circuit to power supply
Diagnosis delay time 4 seconds or more

POSSIBLE CAUSE

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

  • Rear sonar sensor LH inner

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 “B2721–12” 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 INNER CIRCUIT (1)

  1. Turn ignition switch OFF.

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

  3. Turn ignition switch ON.

  4. Check voltage between sonar control unit harness connector and ground.

    Sonar control unit (-) Voltage (Approx. )
    Connector Terminal
    B20 21 Ground 0 V

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair harness or connector.

CHECK REAR SONAR SENSOR SIGNAL LH INNER CIRCUIT (2)

  1. Turn ignition switch OFF.

  2. Check continuity between rear sonar sensor LH inner harness connector and ground.

Rear sonar sensor LH inner Ground Continuity
Connector Terminal
B459 2 Not existed

Is the inspection result normal?

YES>>

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

NO>>

Repair the harness or connector.

    B2721-11 Center Sensor [rl]
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition B2721-11 CENTER SENSOR [RL] (Center sensor [RL]) Diagnosis condi...
    B2721-16 Center Sensor [rl]
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition B2721-16 CENTER SENSOR [RL] (Center sensor [RL]) Diagnosis condi...

    Other materials:

    Lane Branch Line Circuit
    Diagnosis Procedure CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the front camera unitfor damage, bend and loose connection (unit side and connector side). Is the inspection result no ...

    C1213-A3 Control Unit Power Supply
    DTC Description DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detecting condition C1213-A3 BATTERY VOLTAGE (Battery voltage) Diagnosis condition Ignition switch: ON Signal Battery power supply signal (terminal #6) Threshold Battery po ...

    Automatic air conditioner (models without rear control)
    Models with heated steering wheel Models without heated steering wheel Basic information Temperature control dial (driver's side) AUTO button Display screen SYNC button Temperature control dial (passenger's side) ON·OFF button Air recirculation button Fan speed buttons Air flow ...