Nissan X-Trail 32. Manual - part 456

BACK DOOR CLOSURE MOTOR

DLK-165

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

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BACK DOOR CLOSURE MOTOR

Diagnosis Procedure

INFOID:0000000010708122

1.

CHECK BACK DOOR CLOSURE MOTOR INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect back door lock assembly connector.

3.

Turn ignition switch ON.

4.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK BACK DOOR CLOSURE MOTOR 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.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INCPECTION END

(+)

(–)

Condition

Voltage

(Approx.)

Back door lock assembly

 Connector

Terminal

D172

1

Ground

Back door closure 
motor

Closure operation

13 V

Other than above

0 V

2

Closure operation

13 V

Other than above

0 V

Automatic back door control unit

Back door lock assembly

Continuity 

 Connector

Terminal

 Connector

Terminal

B25

31

D172

1

Existed

38

2

Automatic back door control unit

Ground

Continuity 

 Connector

Terminal

B25

31

Not existed

38

DLK-166

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

BACK DOOR SWITCH

BACK DOOR SWITCH

Component Function Check

INFOID:0000000010708126

1.

CHECK FUNCTION

1.

Turn ignition switch ON.

2.

Select “DOOR LOCK” of “BCM” using CONSULT.

3.

Select “DOOR SW-BK” in “DATA MONITOR” mode.

4.

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

Is the inspection result normal?

YES

>> Back door switch is OK.

NO

>> Refer to 

DLK-166, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010708127

1.

CHECK BACK DOOR SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect back door lock assembly connector.

3.

Check signal between back door lock assembly harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK BACK DOOR SWITCH CIRCUIT 

1.

Disconnect BCM connector.

2.

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

3.

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

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK BACK DOOR SWITCH GROUND CIRCUIT

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

Monitor item

Condition

Status

DOOR SW-BK

Back door

Open

On

Closed

Off

(+)

(–)

Voltage

Back door lock assembly

Connector

Terminal

D172

7

Ground

9 – 16 V

Back door lock assembly

BCM

Continuity 

Connector

Terminal

Connector

Terminal

D172

7

B47

11

Existed

Back door lock assembly

Ground

Continuity 

Connector

Terminal

D172

7

Not existed

BACK DOOR SWITCH

DLK-167

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

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Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK BACK DOOR SWITCH 

Refer to 

DLK-167, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace back door lock assembly.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END 

Component Inspection

INFOID:0000000010708128

1.

CHECK BACK DOOR SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect back door lock assembly connector.

3.

Check continuity between back door lock assembly terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace back door lock assembly.

Back door lock assembly

Ground

Continuity 

Connector

Terminal

D172

8

Existed

Back door lock assembly

Condition

Continuity

Terminal

7

8

Back door lock 

Lock

Existed

Unlock

Not existed

DLK-168

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

BACK DOOR OPENER SWITCH

BACK DOOR OPENER SWITCH

Component Function Check

INFOID:0000000010708130

1.

CHECK FUNCTION

1.

Turn ignition switch ON.

2.

Select “TRUNK” of “BCM” using CONSULT.

3.

Select “BACK DOOR OPENER SW” in “DATA MONITOR” mode.

4.

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

Is the inspection result normal?

YES

>> Back door opener switch is OK.

NO

>> Refer to 

DLK-168, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010708131

1.

CHECK BACK DOOR OPEN INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect back door opener switch assembly connector.

3.

Check voltage between back door opener switch assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK BACK DOOR OPENER SWITCH CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and back door opener switch assembly harness con-
nector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT

Check continuity between back door opener switch assembly harness connector and ground.

Monitor item

Condition

Status

BACK DOOR OPENER 
SW

Back door opener switch

Pressed

ON

Released

OFF

(+)

(–)

Voltage

Back door opener switch assembly

Connector

Terminal 

D169

1

Ground

9 – 16 V

BCM

Back door opener switch assembly

Continuity 

Connector

Terminal

Connector

Terminal

B47

16

D169

1

Existed

BCM

Ground

Continuity 

Connector

Terminal

B47

16

Not existed