Nissan Quest E52. Manual - part 381

DLK-238

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

AUTOMATIC BACK DOOR CONTROL MODULE

AUTOMATIC BACK DOOR CONTROL MODULE : Diagnosis Procedure

INFOID:0000000009649142

1.

CHECK FUSE, FUSIBLE LINK AND CIRCUIT BREAKER

Check that the following fuse, fusible link and circuit breaker are not fusing.

Is the fuse fusing?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is

blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect automatic back door control module connector.

3.

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

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

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

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

BACK DOOR CONTROL UNIT

BACK DOOR CONTROL UNIT : Diagnosis Procedure

INFOID:0000000009649143

1.

CHECK FUSE

Check that the following  fusible link is not fusing.

Is the inspection result normal?

YES

>> GO TO 2.

Fuse and fusible link No.

Signal name

J (40A)

Battery power supply

9 (10A)

3 (10A)

Ignition power supply

(+)

(

−

)

Condition

Voltage

Automatic back door control module

Connector

Terminal

B8

1

Ground

Ignition switch

OFF

9 - 16 V

7

ON

9

OFF

Automatic back door control module

Ground

Continuity

Connector

Terminal

B8

11

Existed

 Fusible link

Signal name

J (40A)

Battery power supply

POWER SUPPLY AND GROUND CIRCUIT

DLK-239

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

NO

>> Replace the blown  fusible link after repairing the affected circuit if a fuse is blown.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect back door control unit connector.

3.

Check voltage between back door control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

SLIDING DOOR CONTROL UNIT

SLIDING DOOR CONTROL UNIT : Diagnosis Procedure

INFOID:0000000009649144

1.

CHECK FUSE, FUSIBLE LINK AND CIRCUIT BREAKER

1.

Turn ignition switch OFF.

2.

Check that the following fuse and fusible link are not blown.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is

blown.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Disconnect sliding door control unit connector.

2.

Check voltage between sliding door control unit harness connector and ground.

(+)

(

−

)

Voltage

Back door control unit

Connector

Terminal

D181

3

Ground

8 - 16 V

Back door control unit

Ground

Continuity

Connector

Terminal

D181

7

Existed

8

Fuse and fusible link No.

Signal name

3 (10 A)

Ignition power supply

9 (10 A)

Battery power supply

J(40 A)

DLK-240

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

Sliding door LH

Sliding door RH

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

Check continuity between sliding door control unit harness connector and ground.

Sliding door LH

Sliding door RH

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

(+)

(

−

)

Condition

Voltage

Sliding door control unit LH

Connector

Terminal

B45

6

Ground

Ignition switch

ON

9 – 16 V

12

OFF

8 – 16 V

B46

36

9 – 16 V

42

(+)

(

−

)

Condition

Voltage

Sliding door control unit RH

Connector

Terminal

B247

6

Ground

Ignition switch

ON

9 – 16 V

12

OFF

8 – 16 V

B248

36

9 – 16 V

42

Sliding door control unit LH

Ground

Continuity

Connector

Terminal

B45

27

Existed

B46

33

37

Sliding door control unit RH

Ground

Continuity

Connector

Terminal

B247

27

Existed

B248

33

37

DOOR SWITCH

DLK-241

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

DOOR SWITCH

Component Function Check

INFOID:0000000009649145

1.

CHECK FUNCTION

1.

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

2.

Select “DOOR SW-DR”, “DOOR SW-AS”, “DOOR SW-RL”, “DOOR SW-RR”, in “DATA MONITOR” mode.

3.

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

Is the inspection result normal?

YES

>> Door switch is OK.

NO

>> Refer to 

DLK-241, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009649146

1.

CHECK DOOR SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect malfunctioning door switch connector.

3.

Check signal between malfunctioning door switch harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR SWITCH CIRCUIT 

1.

Disconnect BCM connector.

2.

Check continuity between door switch harness connector and BCM harness connector.

Monitor item

Condition

Status

DOOR SW-DR

Driver side door

Open

On

Closed

Off

DOOR SW-AS

Passenger side door

Open

On

Closed

Off

DOOR SW-RL

Sliding door LH

Open

On

Closed

Off

DOOR SW-RR

Sliding door RH

Open

On

Closed

Off

(+)

(–)

Signal

(Reference value)

Door switch

Connector

Terminal

Driver side

B35

3

Ground

7.0 - 8.0 V

Passenger side

B235

Sliding door LH

B71

Sliding door RH

B221

PKIB4960J