Nissan Rogue (T33) 2021-Present Service Manual: B273b-12 Rear Sensor Power Supply

Nissan Rogue (T33) 2021-Present Service Manual / Driver Information & Multimedia :: Sonar System / Dtc/circuit Diagnosis :: Sonar (sonar Control Unit) / B273b-12 Rear Sensor Power Supply

DTC Description

DTC DETECTION LOGIC

DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition
B273B-12

REAR SENSOR POWER

(Rear sensor power) 		Diagnosis condition When ignition switch is ON
Signal (terminal) Rear sensor power supply
Threshold Short circuit to power supply
Diagnosis delay time 4 seconds or more

POSSIBLE CAUSE

Harness or connector (Rear sensor power supply circuit is short circuit to power supply)

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 “B273B-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 SENSOR POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect sonar control unit connector, rear sonar sensor LH/RH outer connector, rear sonar sensor LH/RH inner connector and rear sonar sensor LH/RH side 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 23 Ground 0 V

Is the inspection result normal?

YES>>

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

NO>>

Repair harness or connector.

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