Nissan Murano Z51. Manual - part 22

ADP-80

< DTC/CIRCUIT DIAGNOSIS >

SLIDING SENSOR

NO

>> Repair or replace harness or connector.

RECLINING SENSOR

ADP-81

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

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A

B

ADP

N

O

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RECLINING SENSOR

Description

INFOID:0000000005515369

• The reclining motor is installed to the seatback frame.
• The pulse signal is inputted to the driver seat control unit when the reclining is operated.
• The driver seat control unit counts the pulse and calculates the reclining amount of the seat.

Component Function Check

INFOID:0000000005515370

1.

CHECK FUNCTION

1.

Select “RECLN PULSE” in “Data monitor” mode with CONSULT-III.

2.

Check reclining sensor signal under the following conditions.

*1

: The value at the seat position attained when the battery is connected is considered to be 32768.

Is the indication normal?

YES

>> INSPECTION END

NO

>> Perform diagnosis procedure. Refer to 

ADP-81, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005515371

1.

CHECK RECLINING SENSOR SIGNAL

1.

Turn ignition switch ON.

2.

Read voltage signal between driver seat control unit harness connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-209, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK RECLINING SENSOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit and reclining motor connector.

3.

Check continuity between driver seat control unit harness connector and reclining motor harness connec-
tor.

Monitor item

Condition

Value

RECLN PULSE

Seat reclining

Operate (forward)

Change (increase)

*1

Operate (backward)

Change (decrease)

*1

Release

No change

*1

(+)

(–)

Condition

Signal

(Reference value)

Driver seat control unit 

Connector

Terminals

B452

20

Ground

Seat reclining

Operate

Other than 
above

0 or 5

JMJIA0119ZZ

ADP-82

< DTC/CIRCUIT DIAGNOSIS >

RECLINING SENSOR

4.

Check continuity between driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connector.

3.

CHECK RECLINING SENSOR POWER SUPPLY

1.

Connect driver seat control unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between reclining motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK RECLINING SENSOR POWER SUPPLY CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect driver seat control unit connector.

3.

Check continuity between driver seat control unit harness connector and reclining motor harness connec-
tor.

4.

Check continuity between driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-209, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

5.

CHECK RECLINING SENSOR GROUND 

1.

Turn ignition switch OFF.

2.

Check continuity between reclining motor harness connector and ground.

Is the inspection result normal?

Driver seat control unit

Reclining motor

Continuity

Connector

Terminal

Connector

Terminal

B452

20

B454

20

Existed

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B452

20

Not existed

(+)

(–)

Voltage (V)

(Approx.)

Reclining motor

Connector

Terminals

B454

33

Ground

Battery voltage

Driver seat control unit

Reclining motor

Continuity

Connector

Terminal

Connector

Terminal

B452

33

B454

33

Existed

Driver seat control unit

Ground

Continuity 

Connector

Terminal

B452

33

Not existed

Reclining motor

Ground

Continuity

Connector

Terminal

B454

46

Existed

RECLINING SENSOR

ADP-83

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

YES

>> Replace reclining motor.

NO

>> Repair or replace harness or connector.