Nissan Rogue (T33) 2021-Present Service Manual: B2738-11 Front Sensor Power Supply

Nissan Rogue (T33) 2021-Present Service Manual / Driver Information & Multimedia :: Sonar System / Dtc/circuit Diagnosis :: Sonar (sonar Control Unit) / B2738-11 Front Sensor Power Supply

DTC Description

DTC DETECTION LOGIC

DTC CONSULT screen items (Trouble diagnosis content) DTC detection condition
B2738-11

FRONT SENSOR POWER

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

POSSIBLE CAUSE

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

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 “B2738-11” 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 FRONT SENSOR POWER SUPPLY CIRCUIT (SHORT)

  1. Turn ignition switch OFF.

  2. Disconnect sonar control unit connector, front sonar sensor LH/RH outer connector, front sonar sensor LH/RH inner connector and front sonar sensor LH/RH side connector.

  3. Check continuity between sonar control unit harness connector and ground.

Sonar control unit Ground Continuity
Connector Terminal
B20 11 Not existed

Is the inspection result normal?

YES>>

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

NO>>

Repair the harness or connector.

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