Nissan Quest E52. Manual - part 369

DLK-190

< DTC/CIRCUIT DIAGNOSIS >

B2409 HALF LATCH SWITCH

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-190, "SLIDING DOOR LH : Diagnosis Procedure"

.

NO

>> INSPECTION END

SLIDING DOOR LH : Diagnosis Procedure

INFOID:0000000009649086

1.

CHECK HALF LATCH SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect sliding door lock assembly LH connector.

3.

Check voltage between sliding door lock assembly LH 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 sliding door control unit LH connector.

2.

Check continuity between sliding door control unit LH harness connector and sliding door lock assembly
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 HALF LATCH SWITCH GROUND CIRCUIT

1.

Disconnect sliding door control unit LH connector.

2.

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

DTC

CONSULT display 

description

DTC detecting condition

Possible cause

B2409

HALF LATCH SW

When the sliding door control unit cannot detects 
the half latch switch ON condition even when the 
sliding door release actuator operate

• Half latch switch
• Harness or connectors

(Half latch switch circuit is open)

• Sliding door control unit

(+)

(–)

Voltage

Sliding door lock assembly LH

Connector

Terminal

D123

3

Ground

8 – 16 V

Sliding door control unit LH

Sliding door lock assembly LH

Continuity 

Connector

Terminal

Connector

Terminal

B45

5

D123

3

Existed

Sliding door control unit LH

Ground

Continuity 

Connector

Terminal

B45

5

Not existed

B2409 HALF LATCH SWITCH

DLK-191

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

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 HALF LATCH SWITCH CIRCUIT 2

1.

Connect sliding door control unit LH connector and sliding door lock assembly LH connector.

2.

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace sliding door control unit LH. Refer to 

DLK-500, "LH : Removal and Installation"

.

5.

CHECK HALF LATCH SWITCH

Refer to 

DLK-191, "SLIDING DOOR LH : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace sliding door lock assembly LH.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> INSPECTION END

SLIDING DOOR LH : Component Inspection

INFOID:0000000009649087

1.

CHECK HALF LATCH SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect sliding door lock assembly LH connector.

3.

Check continuity between sliding door lock assembly LH terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace sliding door lock assembly LH.

SLIDING DOOR RH

Sliding door control unit LH

Sliding door lock assembly LH

Continuity 

Connector

Terminal

Connector

Terminal

B45

23

D123

2

Existed

Sliding door control unit LH

Ground

Continuity 

Connector

Terminal

B45

23

Not existed

(+)

(

−

)

Voltage

Sliding door control unit LH

Connector

Terminal

B45

23

Ground

0 V

Sliding door lock assembly LH

Condition

Continuity 

Terminal

3

2

Sliding door LH

Open

Existed

Half latch/full closed

Not existed

DLK-192

< DTC/CIRCUIT DIAGNOSIS >

B2409 HALF LATCH SWITCH

SLIDING DOOR RH : DTC Logic

INFOID:0000000009649088

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-192, "SLIDING DOOR RH : Diagnosis Procedure"

.

NO

>> INSPECTION END

SLIDING DOOR RH : Diagnosis Procedure

INFOID:0000000009649089

1.

CHECK HALF LATCH SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect sliding door lock assembly RH connector.

3.

Check voltage between sliding door lock assembly RH 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 sliding door control unit RH connector.

2.

Check continuity between sliding door control unit RH harness connector and sliding door lock assembly
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 HALF LATCH SWITCH GROUND CIRCUIT

1.

Disconnect sliding door control unit RH connector.

DTC

CONSULT display 

description

DTC detecting condition

Possible cause

B2409

HALF LATCH SW

When the sliding door control unit cannot detects 
the half latch switch ON condition even when the 
sliding door release actuator operate

• Half latch switch
• Harness or connectors

(Half latch switch circuit is open)

• Sliding door control unit

(+)

(–)

Voltage

Sliding door lock assembly RH

Connector

Terminal

D124

3

Ground

8 – 16 V

Sliding door control unit RH

Sliding door lock assembly RH

Continuity 

Connector

Terminal

Connector

Terminal

B247

5

D124

3

Existed

Sliding door control unit RH

Ground

Continuity 

Connector

Terminal

B247

5

Not existed

B2409 HALF LATCH SWITCH

DLK-193

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

2.

Check continuity between sliding door control unit RH harness connector and sliding door lock assembly
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 HALF LATCH SWITCH CIRCUIT 2

1.

Connect sliding door control unit RH connector and sliding door lock assembly RH connector.

2.

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace sliding door control unit RH. Refer to 

DLK-500, "RH : Removal and Installation"

.

5.

CHECK HALF LATCH SWITCH

Refer to 

DLK-193, "SLIDING DOOR RH : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace sliding door lock assembly RH.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-42, "Intermittent Incident"

.

>> INSPECTION END

SLIDING DOOR RH : Component Inspection

INFOID:0000000009649090

1.

CHECK HALF LATCH SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect sliding door lock assembly RH connector.

3.

Check continuity between sliding door lock assembly RH terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace sliding door lock assembly RH.

Sliding door control unit RH

Sliding door lock assembly RH

Continuity 

Connector

Terminal

Connector

Terminal

B247

23

D124

2

Existed

Sliding door control unit RH

Ground

Continuity 

Connector

Terminal

B247

23

Not existed

(+)

(

−

)

Voltage

Sliding door control unit RH

Connector

Terminal

B247

23

Ground

0 V

Sliding door lock assembly RH

Condition

Continuity 

Terminal

3

2

Sliding door RH

Open

Existed

Half latch/full closed

Not existed