Nissan Murano Z51. Manual - part 390

 

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Nissan Murano Z51. Manual - part 390

 

 

DLK-68

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2403 ENCODER

3.

CHECK ENCODER POWER SUPPLY CIRCUIT

1.

Disconnect automatic back door control unit connector.

2.

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

3.

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

Is the inspection result normal?

YES

>> Replace automatic back door control unit. Refer to 

DLK-370, "Removal and Installation"

.

NO

>> Repair or replace harness.

4.

CHECK ENCODER GROUND CIRCUIT

1.

Disconnect automatic back door control unit connector.

2.

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK ENCODER SIGNAL CIRCUIT

1.

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

2.

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

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

6.

CHECK ENCODER

1.

Connect automatic back door control unit connector and automatic back door unit connector

2.

Check voltage between automatic back door control unit and ground.

Automatic back door control unit

Automatic back door unit

Continuity

 Connector

Terminal

 Connector

Terminal

B8

26

B76

2

Existed

Automatic back door control unit

Ground

Continuity

 Connector

Terminal

B8

26

Not existed

Automatic back door control unit

Automatic back door unit

Continuity

 Connector

Terminal

 Connector

Terminal

B8

23

B76

6

Existed

Automatic back door control unit

Automatic back door unit

Continuity

 Connector

Terminal

 Connector

Terminal

B8

24

B76

5

Existed

25

1

Automatic back door control unit

Ground

Continuity

 Connector

Terminal

B8

24

Not existed

25

B2403 ENCODER

DLK-69

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Is the inspection result normal?

YES

>> Replace automatic back door control unit. Refer to 

DLK-370, "Removal and Installation"

.

NO

>> Replace automatic back door unit. Refer to 

DLK-354, "POWER BACK DOOR DRIVE ASSEMBLY

: Removal and Installation"

.

(+)

(–)

Condition

Voltage (V)

(Approx.)

Automatic back door control unit

Connector

Terminal 

B8

24

Ground

Back door

Moving

Stop

0/Battery voltage

25

Ground

Back door

Moving

Stop

0/Battery voltage

JMKIA1864ZZ

JMKIA1864ZZ

DLK-70

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

B2409 HALF LATCH SWITCH

B2409 HALF LATCH SWITCH

Description

INFOID:0000000005517487

The half latch switch is integrated in the back door lock assembly and it detects the half latch condition of the
back door lock.

DTC Logic

INFOID:0000000005517488

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Turn ignition switch ON.

2.

Operate power back door from closed to open.

3.

Check “Self Diagnostic Result” CONSULT-III.

Is DTC detected?

YES

>> Go to 

DLK-70, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005517489

1.

CHECK HALF LATCH SWITCH SIGNAL

Check half latch switch (“HALF LATCH SW”) in Data Monitor mode.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 2.

2.

CHECK AUTOMATIC BACK DOOR CONTROL UNIT 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 4.

NO

>> GO TO 3.

3.

CHECK HALF LATCH SWITCH CIRCUIT

1.

Disconnect automatic back door control unit connector.

2.

Check continuity between automatic back door control unit harness connector and back door lock assem-
bly harness connector.

DTC No.

Trouble diagnosis 

name

DTC detecting condition

Possible cause

B2409

HALF LATCH 
SWITCH

When the automatic back door control unit cannot 
detect the half latch switch ON condition even when 
the back door is in the open position 

• Half latch switch 
• Harness or connectors

(Half latch switch circuit is open)

• Automatic back door control unit

Monitor item

Condition

Status

HALF LATCH SW

Back door lock

Fully closed/Half latch

OFF

Open

ON

(+)

(–)

Voltage (V)

(Approx.)

Back door lock assembly

Connector

Terminal

D179

6

Ground

Battery voltage

B2409 HALF LATCH SWITCH

DLK-71

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

3.

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

Is the inspection result normal?

YES

>> Replace automatic back door control unit. Refer to 

DLK-370, "Removal and Installation"

.

NO

>> Repair or replace harness.

4.

CHECK HALF LATCH SWITCH GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace back door lock assembly ground circuit.

5.

CHECK HALF LATCH SWITCH

Refer to 

DLK-71, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace back door lock assembly. Refer to 

DLK-367, "Removal and Installation"

.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000005517490

COMPONENT INSPECTION

1.

CHECK HALF LATCH SWITCH

Check back door lock assembly (half latch switch).

Is the inspection result normal?

YES

>> Half latch switch is OK.

NO

>> Replace back door lock assembly. Refer to 

DLK-353, "DOOR LOCK : Removal and Installation"

.

Automatic back door control unit

Back door lock assembly

Continuity 

 Connector

Terminal

 Connector

Terminal

B8

8

D179

6

Existed

Automatic back door control unit

Ground

Continuity 

 Connector

Terminal

B8

8

Not existed

Back door lock assembly

Ground

Continuity 

 Connector

Terminal

D179

8

Existed

Terminal

Condition

Continuity

Back door lock assembly (half latch switch)

6

8

Back door lock

Open

Existed

Fully closed/Half latch

Not existed

 

 

 

 

 

 

 

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