Nissan X-Trail 32. Manual - part 1931

SN-180

< DTC/CIRCUIT DIAGNOSIS >

[WITH PARK ASSIST]

B2723-55 CORNER SENSOR [RR]

B2723-55 CORNER SENSOR [RR]

DTC Description

INFOID:0000000010736673

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Corner sensor rear RH
• Control unit setting of sonar control unit is incomplete

FAIL-SAFE

• Obstacle detection function is stopped
• Alarm display is displayed on the information display of combination meter 

DTC CONFIRMATION PROCEDURE

1.

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 DTC.

Is DTC B2723-55 detected?

YES

>> Proceed to 

SN-180, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010736674

1.

PERFORM CONFIGURATION OF SONAR CONTROL UNIT

Perform configuration of sonar control unit. Refer to 

SN-156, "CONFIGURATION (SONAR CONTROL UNIT) :

Work Procedure"

.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

Perform DTC confirmation procedure again. Refer to 

SN-180, "DTC Description"

.

Is DTC B2723-55 detected again?

YES

>> Replace corner sensor rear RH. Refer to 

SN-240, "REAR : Removal and Installation"

.

NO

>> INSPECTION END.

DTC

Trouble diagnosis

(Trouble diagnosis contents)

Detecting condition

B2723-55

CORNER SENSOR [RR]
(Corner sensor rear-right)

CONFIG ERROR
(Configuration er-
ror)

Control unit setting of sonar control unit is incomplete or is not set 
normally.

SN

B2723-92 CORNER SENSOR [RR]

SN-181

< DTC/CIRCUIT DIAGNOSIS >

[WITH PARK ASSIST]

C

D

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A

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B2723-92 CORNER SENSOR [RR]

DTC Description

INFOID:0000000010736675

DTC DETECTION LOGIC

POSSIBLE CAUSE

Corner sensor rear RH

FAIL-SAFE

• Obstacle detection function is stopped
• Alarm display is displayed on the information display of combination meter 

DTC CONFIRMATION PROCEDURE

1.

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 DTC.

Is DTC B2723-92 detected?

YES

>> Proceed to 

SN-181, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010736676

1.

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

With CONSULT

1.

Turn ignition switch ON.

2.

Erase DTC.

3.

Perform DTC confirmation procedure again. Refer to 

SN-181, "DTC Description"

.

Is DTC B2723-92 detected again?

YES

>> Replace corner sensor rear RH. Refer to 

SN-240, "REAR : Removal and Installation"

.

NO

>> INSPECTION END

DTC

Trouble diagnosis

(Trouble diagnosis contents)

Detecting condition

B2723-92

CORNER SENSOR [RR]
(Corner sensor rear-right)

SENSOR
(Sensor)

Corner sensor rear RH malfunction is detected when ignition switch 
is turned ON.

SN-182

< DTC/CIRCUIT DIAGNOSIS >

[WITH PARK ASSIST]

B2724-55 SONAR CONTROL UNIT

B2724-55 SONAR CONTROL UNIT

DTC Description

INFOID:0000000010736677

DTC DETECTION LOGIC

POSSIBLE CAUSE

Control unit setting of sonar control unit is incomplete

FAIL-SAFE

• Obstacle detection function is stopped
• Alarm display is displayed on the information display of combination meter 

DTC CONFIRMATION PROCEDURE

1.

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 DTC.

Is DTC B2724-55 detected?

YES

>> Proceed to 

SN-182, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010736678

1.

PERFORM CONFIGURATION OF SONAR CONTROL UNIT

Perform configuration of sonar control unit. Refer to 

SN-156, "CONFIGURATION (SONAR CONTROL UNIT) :

Work Procedure"

.

>> GO TO 2.

2.

PERFORM DTC CONFIRMATION PROCEDURE AGAIN

Perform DTC confirmation procedure again. Refer to 

SN-182, "DTC Description"

.

Is DTC B2724-55 detected again?

YES

>> Replace sonar control unit. Refer to 

SN-237, "Removal and Installation"

.

NO

>> INSPECTION END

DTC

Trouble diagnosis

(Trouble diagnosis contents)

Detecting condition

B2724-55

SONAR CONTROL UNIT
(Sonar control unit)

Control unit setting of sonar control unit is incomplete or is not set 
normally.

SN

B2725-12 REAR BUZZER

SN-183

< DTC/CIRCUIT DIAGNOSIS >

[WITH PARK ASSIST]

C

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B2725-12 REAR BUZZER

DTC Description

INFOID:0000000010920190

DTC DETECTION LOGIC

POSSIBLE CAUSE

Harness between sonar control unit and buzzer (backward)

FAIL-SAFE

• Obstacle detection function is stopped
• Alarm display is displayed on the information display of combination meter 

DTC CONFIRMATION PROCEDURE

1.

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 DTC.

Is DTC “B2725-12” detected?

YES

>> Proceed to 

SN-183, "Diagnosis Procedure"

.

NO-1

>> To check malfunction symptom before repair: Refer to 

GI-44, "Intermittent Incident"

.

NO-2

>> Confirmation after repair: INSPECTION END

Diagnosis Procedure

INFOID:0000000010920191

1.

CHECK BUZZER (BACKWARD) POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect sonar control unit connector and buzzer (backward) connector.

3.

Turn ignition switch ON.

4.

Check voltage between sonar control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK BUZZER DRIVE SIGNAL CIRCUIT

Check voltage between sonar control unit harness connector and ground.

DTC

Trouble diagnosis

(Trouble diagnosis contents)

Detection condition

B2725-12

REAR BUZZER
(Rear buzzer)

SHORT-BAT
(Short to battery)

A short circuit is detected in harness between sonar control unit and 
buzzer (backward) with an obstacle detected.

Sonar control unit

Ground

Standard

Reference value

(Approx.)

Connector

Terminal

B129

15

—

0 V