Nissan Rogue (T33) 2021-Present Service Manual: B2756-94 Rear Sensor

Nissan Rogue (T33) 2021-Present Service Manual / Driver Information & Multimedia :: Sonar System / Dtc/circuit Diagnosis :: Sonar (sonar Control Unit) / B2756-94 Rear Sensor

DTC Description

DTC DETECTION LOGIC

DTC No.

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
B2756-94

Rear sensor

(Rear sensor) 		Diagnosis condition When ignition switch is ON
Signal (terminal) Rear sensor signal
Threshold Persistent noise
Diagnosis delay time 1 seconds or more

POSSIBLE CAUSE

Persistent noise in the rear sensors ultrasonic range (exhaust sound, heavy rain, horn) not filtered out by signal processing.

FAIL-SAFE

Obstacle detection function is deactivated.

CONFIRMATION PROCEDURE

PERFORM DTC CONFIRMATION PROCEDURE

With CONSULT

  1. Turn ignition switch ON.

  2. Turn ignition switch OFF and wait for 30 seconds.

  3. Turn ignition switch ON and wait at least 2 seconds or more.

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

  5. Check DTC.

Is DTC B2756-94 detected?

YES>>

Proceed 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 SENSORS

Check the rear sensor for dirt and damage.

Is inspection result normal?

YES>>

GO TO 2.

NO>>

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

With CONSULT

  1. Turn ignition switch ON.

  2. Erase DTC.

  3. Perform DTC confirmation procedure again. Refer to DTC Description.

Is DTC B2756-94 detected again?

YES>>

Replace rear sensors. Refer to Removal and Installation.

NO>>

INSPECTION END

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