Nissan Murano Z51. Manual - part 412

DLK-156

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

TOUCH SENSOR

LH : Component Inspection

INFOID:0000000005517653

1.

CHECK TOUCH SENSOR LH

Check touch sensor LH.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace touch sensor LH. Refer to 

DLK-356, "TOUCH SENSOR : Removal and Installation"

.

Terminal

 Condition

Resistance 

(Approx.)

Touch sensor LH

1

2

Touch sensor LH

Detect obstruction

120 

Ω

 or less

Other than above

1 k

Ω

 

±

 10%

ENCODER

DLK-157

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

ENCODER

Description

INFOID:0000000005517654

The automatic back door control unit receives the pulse signals from encoders A and B that occurred due to
synchronization with the back door operation. The automatic back door control unit calculates the back door
position, operation direction, and operation speed according to the received pulse signals.

Component Function Check

INFOID:0000000005517655

1.

CHECK FUNCTION

Check encoder (“ENCODER A”, “ENCODER B”) in Data Monitor mode.

Is the inspection result normal?

YES

>> Encoder is OK.

NO

>> Refer to 

DLK-157, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005517656

1.

CHECK ENCODER POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect automatic back door unit connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

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.

Monitor item

Condition

Status

 ENCODER A

Back door

Moving

Change HI or LO

Stop

No change HI or LO

 ENCODER B

Back door

Moving

Change HI or LO

Stop

No change HI or LO

(+)

(–)

Voltage (V)

(Approx.)

Automatic back door unit connector

Connector

Terminal

B76

2

Ground

Battery voltage

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

DLK-158

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

ENCODER

3.

CHECK ENCODER GROUND CIRCUIT

1.

Disconnect automatic back door 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 4.

NO

>> Repair or replace harness.

4.

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 harness connector and ground.

Is the inspection result normal?

YES

>> Replace automatic back door unit. Refer to 

DLK-354, "POWER BACK DOOR DRIVE ASSEMBLY

: Removal and Installation"

.

NO

>> Repair or replace harness.

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

CLUTCH

DLK-159

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

CLUTCH

Description

INFOID:0000000005517657

The clutch operates by the power supplied from the automatic back door control unit. It performs the duty con-
trol of the power supply to control the operation speed of the back door.

Diagnosis Procedure

INFOID:0000000005517658

1.

CHECK CLUTCH OUTPUT SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect automatic back door control unit connector and automatic back door unit connector.

3.

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

4.

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

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness.

2.

CHECK CLUTCH

1.

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

2.

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

Is the inspection result normal?

YES

>> Clutch is OK.

NO

>> Replace automatic back door control unit. Refer to 

DLK-370, "Removal and Installation"

.

Automatic back door control unit

Automatic back door unit

Continuity 

Connector

Terminal

 Connector

Terminal

B7

32

B76

9

Existed

33

3

Automatic back door control unit

Ground

Continuity 

 Connector

Terminal

B7

32

Not existed

33

(+)

(–)

Condition

Voltage (V)

(Approx.)

Automatic back door control unit

Connector

Terminal

B7

32

Ground

—

0

33

Automatic back 
door

Active

Other than 
above

0

JMKIA1866ZZ