Nissan Quest E52. Manual - part 367

DLK-182

< DTC/CIRCUIT DIAGNOSIS >

B2403 ENCODER

B2403 ENCODER

AUTOMATIC BACK DOOR CONTROL MODULE

AUTOMATIC BACK DOOR CONTROL MODULE : DTC Logic

INFOID:0000000009649072

DTC DETECTION LOGIC

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-182, "AUTOMATIC BACK DOOR CONTROL MODULE : Diagnosis Procedure"

.

NO

>> INSPECTION END

AUTOMATIC BACK DOOR CONTROL MODULE : Diagnosis Procedure

INFOID:0000000009649073

1.

CHECK AUTOMATIC BACK DOOR CONTROL MODULE POWER SUPPLY AND GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check automatic back door control module power supply and ground circuit.
Refer to 

DLK-238, "AUTOMATIC BACK DOOR CONTROL MODULE : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace automatic back door control module. Refer to 

DLK-495, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning parts.

SLIDING DOOR LH

SLIDING DOOR LH : DTC Logic

INFOID:0000000009649074

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

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

Is DTC detected?

YES

>> Refer to 

DLK-182, "SLIDING DOOR LH : Diagnosis Procedure"

.

NO

>> INSPECTION END

SLIDING DOOR LH : Diagnosis Procedure

INFOID:0000000009649075

1.

CHECK ENCODER POWER SUPPLY

1.

Turn ignition switch OFF.

DTC

CONSULT display 

description

DTC detecting condition

Possible cause

B2403

PULSE ENCODER

When the automatic back door control unit cannot re-
ceive the signal from the encoder just after starting the 
open/close operation

• Battery voltage (low battery)
• Automatic back door control mod-

ule

DTC

CONSULT display 

description

DTC detecting condition

Possible cause

B2403

PULSE ENCODER

When sliding door control unit cannot receive the 
signal from the encoder just after starting the open/
close operation

• Encoder
• Battery voltage (low battery)
• Sliding door control unit

B2403 ENCODER

DLK-183

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

2.

Disconnect automatic sliding door unit LH connector.

3.

Check voltage between automatic sliding door unit LH harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK ENCODER CIRCUIT

1.

Disconnect sliding door control unit LH connector.

2.

Check continuity between sliding door control unit LH harness connector and automatic sliding door unit
LH harness connector.

3.

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

Is the inspection result normal?

YES

>> Replace sliding door control unit LH. Refer to 

DLK-500, "LH : Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK ENCODER CIRCUIT 2

1.

Disconnect sliding door control unit LH connector.

2.

Check continuity between sliding door control unit LH harness connector and automatic sliding door unit
LH harness connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK ENCODER GROUND CIRCUIT

1.

Check continuity between sliding door control unit LH harness connector and automatic sliding door unit
LH harness connector.

(+)

(–)

Voltage

Automatic sliding door unit LH

Connector

Terminal

B65

5

Ground

8 – 16 V

Sliding door control unit LH

Automatic sliding door unit LH

Continuity 

Connector

Terminal

Connector

Terminal

B45

11

B65

5

Existed

Sliding door control unit LH

Ground

Continuity 

Connector

Terminal

B45

11

Not existed

Sliding door control unit LH

Automatic sliding door unit LH

Continuity 

Connector

Terminal

Connector

Terminal

B45

4

B65

6

Existed

21

7

Sliding door control unit LH

Ground

Continuity 

Connector

Terminal

B45

4

Not existed

21

DLK-184

< DTC/CIRCUIT DIAGNOSIS >

B2403 ENCODER

2.

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK ENCODER CIRCUIT 3

1.

Connect sliding door control unit LH connector and automatic sliding door unit LH connector.

2.

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

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace sliding door control unit LH. Refer to 

DLK-500, "LH : Removal and Installation"

.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> INSPECTION END

SLIDING DOOR RH

SLIDING DOOR RH : DTC Logic

INFOID:0000000009649076

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

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

Is DTC detected?

YES

>> Refer to 

DLK-184, "SLIDING DOOR RH : Diagnosis Procedure"

.

NO

>> INSPECTION END

SLIDING DOOR RH : Diagnosis Procedure

INFOID:0000000009649077

1.

CHECK ENCODER POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect automatic sliding door unit RH connector.

Sliding door control unit LH

Automatic sliding door unit LH

Continuity 

Connector

Terminal

Connector

Terminal

B45

26

B65

8

Existed

Sliding door control unit LH

Ground

Continuity 

Connector

Terminal

B45

26

Not existed

(+)

(–)

Voltage

Sliding door control unit LH

Connector

Terminal

B45

26

Ground

0 V

DTC

CONSULT display 

description

DTC detecting condition

Possible cause

B2403

PULSE ENCODER

When sliding door control unit cannot receive the 
signal from the encoder just after starting the open/
close operation

• Encoder
• Battery voltage (low battery)
• Sliding door control unit

B2403 ENCODER

DLK-185

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

3.

Check voltage between automatic sliding door unit RH harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK ENCODER CIRCUIT

1.

Disconnect sliding door control unit RH connector.

2.

Check continuity between sliding door control unit RH harness connector and automatic sliding door unit
RH harness connector.

3.

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

Is the inspection result normal?

YES

>> Replace sliding door control unit RH. Refer to 

DLK-500, "RH : Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK ENCODER CIRCUIT 2

1.

Disconnect sliding door control unit RH connector.

2.

Check continuity between sliding door control unit RH harness connector and automatic sliding door unit
RH harness connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK ENCODER GROUND CIRCUIT

1.

Check continuity between sliding door control unit RH harness connector and automatic sliding door unit
RH harness connector.

(+)

(–)

Voltage

Automatic sliding door unit RH

Connector

Terminal

B244

5

Ground

8 – 16 V

Sliding door control unit RH

Automatic sliding door unit RH

Continuity 

Connector

Terminal

Connector

Terminal

B247

11

B244

5

Existed

Sliding door control unit RH

Ground

Continuity 

Connector

Terminal

B247

11

Not existed

Sliding door control unit RH

Automatic sliding door unit RH

Continuity 

Connector

Terminal

Connector

Terminal

B247

4

B244

7

Existed

21

6

Sliding door control unit RH

Ground

Continuity 

Connector

Terminal

B247

4

Not existed

21