Nissan X-Trail 32. Manual - part 539

HALF LATCH SWITCH

DLK-497

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

HALF LATCH SWITCH

Component Function Check

INFOID:0000000010717559

1.

CHECK FUNCTION

1.

Turn ignition switch ON.

2.

Select “AUTO BACK DOOR” using CONSULT.

3.

Select “HALF LATCH SW” in “DATA MONITOR” mode.

4.

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

Is the inspection result normal?

YES

>> Half latch switch is OK.

NO

>> Refer to 

DLK-497, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010717560

1.

CHECK HALF LATCH 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 3.

NO

>> GO TO 2.

2.

CHECK HALF LATCH 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-633, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK HALF LATCH SWITCH GROUND CIRCUIT

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

Monitor item

Condition

Status

HALF LATCH SW

Back door

Fully closed

OFF

Open

ON

(+)

(–)

Voltage

(Approx.)

Back door lock assembly

Connector

Terminal

D172

6

Ground

12 V

Automatic back door control unit

Back door lock assembly

Continuity 

 Connector

Terminal

 Connector

Terminal

B24

3

D172

6

Existed

Automatic back door control unit

Ground

Continuity 

 Connector

Terminal

B24

3

Not existed

DLK-498

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

HALF LATCH SWITCH

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace back door lock assembly ground circuit.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Back door lock assembly

Ground

Continuity 

 Connector

Terminal

D172

8

Existed

HANDS FREE SENSOR

DLK-499

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

HANDS FREE SENSOR

Component Function Check

INFOID:0000000010717561

1.

CHECK FUNCTION

1.

Turn ignition switch ON.

2.

Select “AUTO BACK DOOR” using CONSULT.

3.

Select “DETECT SENSOR PWR” and “DETECT SENSOR SIG 1” in “DATA MONITOR” mode.

4.

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

Is the inspection result normal?

YES

>> Hands free sensor is OK.

NO

>> Refer to 

DLK-499, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010717562

1.

CHECK HANDS FREE SENSOR POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect hands free sensor connector.

3.

Check voltage between hands free sensor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK HANDS FREE SENSOR POWER SUPPLY CIRCUIT

1.

Disconnect automatic back door control unit connector.

2.

Check continuity between automatic back door control unit harness connector and hands free sensor har-
ness connector.

3.

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

Monitor item

Condition

Status

 DETECT SENSOR PWR

• Automatic back door main switch: ON
• Shift position: P position
• Back door: Fully closed

ON

Other than above

OFF

DETECT SENSOR SIG 1

Hands free sensor

ON (auto open operation 
start)

ON

Other than above

OFF

(+)

(–)

Condition

Voltage

(Approx.)

Hands free sensor

Connector

Terminal

D170

1

Ground

• Automatic back 

door main switch: 
ON

• Shift position: P 

position

• Back door: Fully 

closed

12.2 V

Other than above

0 V

Automatic back door control unit

Hands free sensor

Continuity 

Connector

Terminal

Connector

Terminal

B25

30

D170

1

Existed

DLK-500

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

HANDS FREE SENSOR

Is the inspection result normal?

YES

>> Replace automatic back door control unit. Refer to 

DLK-633, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK HANDS FREE SENSOR GROUND CIRCUIT

Check continuity between hands free sensor connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK HANDS FREE SENSOR CANCEL SIGNAL

1.

Connect hands free sensor connector.

2.

Check voltage between automatic back door main switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 5.

5.

CHECK HANDS FREE SENSOR CANCEL SIGNAL CIRCUIT

1.

Disconnect automatic back door main switch connector.

2.

Check continuity between automatic back door main switch harness connector and hands free sensor
harness connector.

3.

Check continuity between automatic back door main switch connector and ground.

Is the inspection result normal?

YES

>> Replace hands free sensor.

NO

>> Repair or replace harness.

6.

CHECK AUTOMATIC BACK DOOR MAIN SWITCH GROUND CIRCUIT

Check continuity between automatic back door main switch connector and ground.

Automatic back door control unit

Ground

Continuity 

Connector

Terminal

B25

30

Not existed

Hands free sensor

Ground

Continuity 

 Connector

Terminal

D170

3

Existed

(+)

(–)

Condition

Voltage

(Approx.)

Automatic back door main switch

Connector

Terminal

M54

5

Ground

Automatic back 
door main switch

Hands free func-
tion ON position

0 V

OFF

12 V

Automatic back door main switch

Hands free sensor

Continuity 

Connector

Terminal

Connector

Terminal

M54

5

D170

4

Existed

Automatic back door main switch

Ground

Continuity 

Connector

Terminal

M54

5

Not existed