Nissan Quest E52. Manual - part 377

DLK-222

< DTC/CIRCUIT DIAGNOSIS >

B2423 AUTOMATIC BACK DOOR MOTOR OPERATION TIME

B2423 AUTOMATIC BACK DOOR MOTOR OPERATION TIME

DTC Logic

INFOID:0000000009649123

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-222, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009649124

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.

DTC

CONSULT display de-

scription

DTC detecting condition

Possible cause

B2423

ABD MTR TIME OUT

When the automatic back door control unit and au-
tomatic back door motor operate in the same direc-
tion for 30 seconds or more continuously

• Back door mechanism
• Automatic back door control 

module

• Battery voltage (low battery)

B2424 CLOSURE CONDITION

DLK-223

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

B2424 CLOSURE CONDITION

DTC Logic

INFOID:0000000009649125

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-223, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000009649126

1.

CHECK AUTOMATIC BACK DOOR CONTROL MODULE OUTPUT

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 OPEN/CLOSE SWITCH 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.

DTC

CONSULT display de-

scription

DTC detecting condition

Possible cause

B2424

CLSR CONDITION

When the following condition is detected after 
OPEN/CLOSE operation of the back door closure 
motor
• Open switch and close switch are ON 

• Harness or connector

(Open switch or close switch 
circuit is open or shorted)

• Back door lock assembly

(+)

(–)

Voltage

Back door lock assembly

Connector

Terminal

D190

4

Ground

9 - 16 V

5

Automatic back door control module

 Back door lock assembly

Continuity 

 Connector

Terminal

Connector

Terminal

B8

20

D190

5

Existed

24

4

Automatic back door control module

Ground

Continuity 

 Connector

Terminal

B8

20

Not existed

24

DLK-224

< DTC/CIRCUIT DIAGNOSIS >

B2424 CLOSURE CONDITION

Is the inspection result normal?

YES

>> Replace automatic back door control module. Refer to 

DLK-495, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK OPEN/CLOSE SWITCH

Refer to 

DLK-224, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace back door lock assembly.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000009649127

1.

CHECK OPEN/CLOSE SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect back door lock assembly.

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

D190

8

Existed

Back door lock assembly

Condition

Continuity

Terminal

5

8

Back door lock

Fully closed

Existed

Open/half latch

Not existed

4

Open

Existed

Fully closed/half latch

Not existed

B2425 AUTOMATIC BACK DOOR CONTROL UNIT

DLK-225

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

B2425 AUTOMATIC BACK DOOR CONTROL UNIT

DTC Logic

INFOID:0000000009649128

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000009649129

1.

REPLACE AUTOMATIC BACK DOOR CONTROL MODULE

When DTC [B2425] is detected, replace automatic back door control module.

>> Replace automatic back door control module. Refer to 

DLK-495, "Removal and Installation"

.

DTC

CONSULT display 

description

DTC Detection Condition

Possible cause

B2425

AUTO BCK DR CNT 
UNIT

Automatic back door control unit detected CPU 
malfunction

Automatic back door control mod-
ule