Nissan Murano Z51. Manual - part 397

DLK-96

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

POWER SUPPLY AND GROUND CIRCUIT

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 unit connector.

3.

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

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

(+)

(

−

)

Condition

Voltage

(Approx.)

Automatic back door control unit

Connector

Terminal

B8

9

Ground

Ignition switch: ON

Battery voltage

10

—

B7

28

Automatic back door control unit

Ground

Continuity

Connector

Terminal

B7

34

Existed

DOOR SWITCH

DLK-97

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

DOOR SWITCH

WITH AUTOMATIC BACK DOOR

WITH AUTOMATIC BACK DOOR : Description

INFOID:0000000005517535

Detects door open/close condition.

WITH AUTOMATIC BACK DOOR : Component Function Check

INFOID:0000000005517536

1.

CHECK FUNCTION

With CONSULT-III

Check door switches (“DOOR SW-DR”, “DOOR SW-AS”, “DOOR SW-RL”, “DOOR SW-RR” and “DOOR SW-
BK”) in Data Monitor” mode with CONSULT-III.

Is the inspection result normal?

YES

>> Door switch is OK.

NO

>> Refer to 

DLK-97, "WITH AUTOMATIC BACK DOOR : Diagnosis Procedure"

.

WITH AUTOMATIC BACK DOOR : Diagnosis Procedure

INFOID:0000000005517537

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 with oscilloscope.

Monitor item

Condition

DOOR SW-DR

CLOSE 

→

 OPEN: OFF 

→

 ON

DOOR SW-AS

DOOR SW-RL

DOOR SW-RR

DOOR SW-BK

DLK-98

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

DOOR SWITCH

Is the inspection result normal?

YES-1 >> Back door: GO TO 3.
YES-2 >> Other doors: GO TO 4.
NO

>> GO TO 2.

2.

CHECK DOOR SWITCH CIRCUIT 

1.

Disconnect BCM connector.

2.

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

(+)

(–)

Voltage (V)

(Approx.)

Door switch

Connector

Terminal

Driver side

B34

2

Ground

Passenger side

B220

2

Rear LH

B221

2

Rear RH

B71

2

Back door

D179

7

JPMIA0011GB

JPMIA0011GB

JPMIA0011GB

JPMIA0011GB

JPMIA0011GB

DOOR SWITCH

DLK-99

< 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 BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-95, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK BACK DOOR SWITCH GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK DOOR SWITCH 

Refer to 

DLK-99, "WITH AUTOMATIC BACK DOOR : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>>

Replace malfunctioning door switch.

• Door switch: Refer to 

DLK-360, "Removal and Installation"

.

• Back door lock assembly (back door switch): Refer to 

DLK-353, "DOOR LOCK : Removal and

Installation"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-39, "Intermittent Incident"

.

>> INSPECTION END 

WITH AUTOMATIC BACK DOOR : Component Inspection

INFOID:0000000005517538

1.

CHECK DOOR SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect door switch connector.

3.

Check door switch terminals.

BCM

Door switch

Continuity 

Connector

Terminal

Connector

Terminal

M123

150

B34 (Driver side)

2

Existed

124

B220 (Passenger side)

M121

69

B221 (Rear LH)

68

B71 (Rear RH)

66

D179 (Back door)

7

BCM

Ground

Continuity 

Connector

Terminal

M123

150 (Driver side)

Not existed

124 (Passenger side)

M121

69 (Rear LH)

68 (Rear RH)

66 (Back door)

Back door lock assembly (back door switch)

Ground

Continuity

Connector

Terminal

D179

8

Existed