Nissan X-Trail 32. Manual - part 526

B2422 BACK DOOR STATE

DLK-445

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Is the difference between the 2 monitor items 10 or more?

YES

>> GO TO 7.

NO

>> GO TO 4.

4.

CHECK ENCODER POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect spindle unit connector.

3.

Check voltage between spindle unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 5.

5.

CHECK ENCODER CIRCUIT

1.

Disconnect automatic back door control unit connector.

2.

Check continuity between automatic back door control unit harness connector and spindle unit harness
connector.

3.

Check continuity between automatic back door control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace automatic back door control unit. Refer to 

DLK-633, "Removal and Installation"

.

NO

>> Repair or replace harness.

6.

CHECK ENCODER CIRCUIT 2

1.

Disconnect automatic back door control unit connector.

2.

Check continuity between automatic back door control unit harness connector and spindle unit harness
connector.

3.

Check continuity between automatic back door control unit harness connector and ground.

Monitor item

Status

SPINDLE SENSOR LH

0 – 1000

SPINDLE SENSOR RH

0 – 1000

(+)

(–)

Voltage

(Approx.)

Spindle unit

Connector

Terminal

LH

B38

3

Ground

12.7 V

RH

B29

12.3 V

Automatic back door control unit

Spindle unit

Continuity 

 Connector

Terminal

 Connector

Terminal

B24

19

LH

B38

3

Existed

20

RH

B29

Automatic back door control unit

Ground

Continuity 

 Connector

Terminal

B24

19

Not existed

20

Automatic back door control unit

Spindle unit

Continuity 

 Connector

Terminal

 Connector

Terminal

B24

21

LH

B38

6

Existed

RH

B29

DLK-446

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

B2422 BACK DOOR STATE

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace harness.

7.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace automatic back door control unit. Refer to 

DLK-633, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning parts.

Automatic back door control unit

Ground

Continuity 

 Connector

Terminal

B24

21

Not existed

B2423 AUTOMATIC BACK DOOR MOTOR OPERATION TIME

DLK-447

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

C

D

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B2423 AUTOMATIC BACK DOOR MOTOR OPERATION TIME

DTC Description

INFOID:0000000010717493

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Spindle motor
• Harness or connectors (circuit is shorted)
• Automatic back door control unit

FAIL-SAFE

Inhibit automatic back door operation

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON. 

2.

Operate automatic back door.

3.

Check “Self Diagnostic Result” mode of “AUTO BACK DOOR” using CONSULT.

Is DTC detected?

YES

>> Refer to 

DLK-447, "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:0000000010717494

1.

ERASE DTC

1.

At least 180 seconds are passed after automatic back door operation is inhibited.

2.

Erase DTC, and then repeat “PERFORM DTC CONFIRMATION PROCEDURE”.

Is DTC detected?

YES

>> GO TO 2.

NO

>> INSPECTION END

2.

CHECK SPINDLE MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect automatic back door control unit and spindle unit connector.

3.

Check continuity between automatic back door control unit harness connector and spindle unit harness
connector.

4.

Check continuity between automatic back door control unit harness connector and ground.

DTC No.

CONSULT screen items (Trouble di-

agnosis content)

DTC detecting condition

B2423

ABD MTR TIME OUT

(Automatic back door motor time 

out)

When the automatic back door control unit and spindle motor operate 
in the same direction for 180 seconds or more continuously

Automatic back door control unit

Spindle unit

Continuity 

 Connector

Terminal

 Connector

Terminal

B25

27

LH

B38

1

Existed

34

2

29

RH

B29

1

36

2

DLK-448

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

B2423 AUTOMATIC BACK DOOR MOTOR OPERATION TIME

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

REPLACE SPINDLE UNIT LH

1.

Replace spindle unit LH.

2.

Erase DTC, and then repeat “PERFORM DTC CONFIRMATION PROCEDURE”.

Is DTC detected?

YES

>> GO TO 4.

NO

>> INSPECTION END

4.

REPLACE SPINDLE UNIT RH

1.

Replace spindle unit LH.

2.

Erase DTC, and then repeat “PERFORM DTC CONFIRMATION PROCEDURE”.

Is DTC detected?

YES

>> GO TO 5.

NO

>> INSPECTION END

5.

REPLACE AUTOMATIC BACK DOOR CONTROL UNIT

1.

Replace automatic back door unit.

2.

Erase DTC, and then repeat “PERFORM DTC CONFIRMATION PROCEDURE”.

Is DTC detected?

YES

>> Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

NO

>> INSPECTION END

Automatic back door control unit

Ground

Continuity 

 Connector

Terminal

B25

27

Not existed

29

34

36