Nissan X-Trail 32. Manual - part 447

B2419 OPEN SWITCH

DLK-129

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

C

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DLK

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B2419 OPEN SWITCH

DTC Description

INFOID:0000000010708085

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Entry of foreign materials to back door lock assembly
• Back door mechanism
• Open switch 
• Harness or connectors (open switch circuit is open or 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-129, "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:0000000010708086

1.

CHECK FOR FOREIGN MATERIALS IN BACK DOOR LOCK ASSEMBLY

Check for entry of foreign materials in back door lock assembly.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Remove foreign materials.

2.

CHECK BACK DOOR OPEN/CLOSE OPERATION

Manually check open and close operation of back door.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK OPEN SWITCH SIGNAL

1.

Select “AUTO BACK DOOR” using CONSULT.

2.

Select “OPEN SW” in “DATA MONITOR” mode.

3.

Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 4.

DTC No.

CONSULT screen items (Trou-

ble diagnosis content)

DTC detecting condition

B2419

OPEN SW

(Open switch)

Automatic back door control unit detects a malfunction of open switch dur-
ing automatic operation of back door

Monitor item

Condition

Status

OPEN SW

Back door

Closure operation

ON

Other than above

OFF

DLK-130

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

B2419 OPEN SWITCH

4.

CHECK OPEN SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect back door lock assembly connector.

3.

Check voltage between back door lock assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 5.

5.

CHECK OPEN SWITCH CIRCUIT

1.

Disconnect automatic back door control unit connector.

2.

Check continuity between automatic back door control unit harness connector and back door lock assem-
bly 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-327, "Removal and Installation"

.

NO

>> Repair or replace harness.

6.

CHECK OPEN SWITCH GROUND CIRCUIT

Check continuity between back door lock assembly harness connector and ground.

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

>> GO TO 8.

NO

>> Repair or replace harness.

8.

REPLACE BACK DOOR LOCK ASSEMBLY

1.

Replace back door lock assembly. Refer to 

DLK-312, "DOOR LOCK : Removal and Installation"

.

2.

Erase DTC.

3.

Perform DTC CONFIRMATION PROCEDURE for DTC 2419.
Refer to 

DLK-129, "DTC Description"

.

Is the inspection result normal?

(+)

(–)

Voltage

(Approx.)

Back door lock assembly

Connector

Terminal

D172

4

Ground

12.2 V

Automatic back door control unit

Back door lock assembly

Continuity 

 Connector

Terminal

 Connector

Terminal

B24

11

D172

4

Existed

Automatic back door control unit

Ground

Continuity 

 Connector

Terminal

B24

11

Not existed

Back door lock assembly

Ground

Continuity 

 Connector

Terminal

D172

8

Existed

B2419 OPEN SWITCH

DLK-131

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

YES

>> INSPECTION END

NO

>> Replace automatic back door control unit. Refer to 

DLK-327, "Removal and Installation"

.

DLK-132

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

B2420 CLOSE SWITCH

B2420 CLOSE SWITCH

DTC Description

INFOID:0000000010708087

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Entry of foreign materials to back door lock assembly
• Back door mechanism
• Close switch 
• Harness or connectors (close switch circuit is open or 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.

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

Is DTC detected?

YES

>> Refer to 

DLK-132, "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:0000000010708088

1.

CHECK FOR FOREIGN MATERIALS IN BACK DOOR LOCK ASSEMBLY

Check for entry of foreign materials in back door lock assembly.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Remove foreign materials.

2.

CHECK BACK DOOR OPEN/CLOSE OPERATION

Manually check open and close operation of back door.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK CLOSE SWITCH SIGNAL

1.

Select “AUTO BACK DOOR” using CONSULT.

2.

Select “CLOSE SW” in “DATA MONITOR” mode.

3.

Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 4.

4.

CHECK CLOSE SWITCH INPUT SIGNAL

DTC No.

CONSULT screen items (Trou-

ble diagnosis content)

DTC detecting condition

B2420

CLOSE SW

(Close switch)

Automatic back door control unit detects a malfunction of close switch dur-
ing automatic operation of back door

Monitor item

Condition

Status

CLOSE SW

Back door

Closure operation

ON

Other than above

OFF