Nissan Pathfinder. Manual — part 364

DLK-222

< DTC/CIRCUIT DIAGNOSIS >

BACK DOOR CLOSURE MOTOR

BACK DOOR CLOSURE MOTOR

Diagnosis Procedure

INFOID:0000000009175784

Regarding Wiring Diagram information, refer to

DLK-94, "Wiring Diagram"

.

1.

CHECK BACK DOOR CLOSURE MOTOR 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

>> Replace back door lock assembly. Refer to

DLK-308, "DOOR LOCK : Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK BACK DOOR CLOSURE MOTOR CIRCUIT

1. Disconnect automatic back door control module connector.

2. Check continuity between automatic back door control module harness connector and back door lock

assembly harness connector.

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

Is the inspection result normal?

YES

>> Replace automatic back door control module. Refer to

DLK-321, "Removal and Installation"

.

NO

>> Repair or replace harness.

(+)

(–)

Condition

Voltage

(Approx.)

Back door lock assembly

Connector

Terminal

D557

1

Ground

Back door opener
switch

Pressed

16 – 7.8 V

2

Released

0 V

Automatic back door control module

Back door lock assembly

Continuity

Connector

Terminal

Connector

Terminal

B56

31

D557

1

Yes

38

2

Automatic back door control module

Ground

Continuity

Connector

Terminal

B56

31

No

38

AUTOMATIC BACK DOOR WARNING BUZZER

DLK-223

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

AUTOMATIC BACK DOOR WARNING BUZZER

Diagnosis Procedure

INFOID:0000000009175785

Regarding Wiring Diagram information, refer to

DLK-94, "Wiring Diagram"

.

1.

CHECK BACK DOOR WARNING CHIME POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect back door warning chime connector.

3. Check voltage between back door warning chime harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK BACK DOOR WARNING CHIME OUTPUT SIGNAL CIRCUIT

1. Disconnect automatic back door control module connector.

2. Check continuity between automatic back door control module harness connector and back door warning

chime harness connector.

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

Is the inspection result normal?

YES

>> Replace automatic back door control module. Refer to

DLK-321, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK BACK DOOR WARNING CHIME GROUND CIRCUIT

Check continuity between back door warning chime harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK BACK DOOR WARNING CHIME

Refer to

DLK-224, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace back door warning chime. Refer to

DLK-318, "Removal and Installation"

.

(+)

(–)

Voltage

(Approx.)

Back door warning chime

Connector

Terminal

B402

1

Ground

Battery voltage

Automatic back door control module

Back door warning chime

Continuity

Connector

Terminal

Connector

Terminal

B56

37

B402

1

Yes

Automatic back door control module

Ground

Continuity

Connector

Terminal

B56

37

No

Back door warning chime

Ground

Continuity

Connector

Terminal

B402

2

Yes

DLK-224

< DTC/CIRCUIT DIAGNOSIS >

AUTOMATIC BACK DOOR WARNING BUZZER

5.

CHECK INTERMITTENT INCIDENT

Refer to

GI-49, "Intermittent Incident"

.

>> Inspection End.

Component Inspection

INFOID:0000000009175786

1.

CHECK BACK DOOR WARNING CHIME

1. Turn ignition switch OFF.

2. Disconnect back door warning chime connector.

3. Check battery power supply directly to back door warning chime terminals and check the operation.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace back door warning chime. Refer to

DLK-318, "Removal and Installation"

.

back door warning chime

Operation

Terminal

(+)

(-)

1

2

Chime sounds

GROUND CIRCUIT

DLK-225

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

GROUND CIRCUIT

Diagnosis Procedure

INFOID:0000000009175787

Regarding Wiring Diagram information, refer to

DLK-94, "Wiring Diagram"

.

1.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect automatic back door control module connector.

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

Is the inspection result normal?

YES

>> Replace automatic back door control module. Refer to

DLK-321, "Removal and Installation"

.

NO

>> Repair or replace harness.

Automatic back door control module

Ground

Continuity

Connector

Terminal

B56

32

Yes

28