Nissan Murano. Manual - part 1202

MOTOR SENSOR

SE-31

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

NO

>> Repair or replace harness.

3.

CHECK MOTOR SENSOR (LH) POWER SUPPLY

1.

Connect rear seatback power return control unit connector.

2.

Check voltage between power return motor assembly (LH) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK MOTOR SENSOR (LH) POWER SUPPLY CIRCUIT

1.

Disconnect rear seatback power return control unit connector.

2.

Check continuity between rear seatback power return control unit harness connector and power return
motor assembly (LH) harness connector.

3.

Check continuity between rear seatback power return control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace rear seatback power return control unit. Refer to 

SE-120, "Removal and Installation"

.

NO

>> Repair or replace harness.

5.

CHECK MOTOR SENSOR (LH) GROUND CIRCUIT 1

1.

Disconnect rear seatback power return control unit connector.

2.

Check continuity between rear seatback power return control unit harness connector and power return
motor assembly harness connector.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

6.

CHECK MOTOR SENSOR (LH) GROUND CIRCUIT 2

1.

Connect rear seatback power return control unit connector.

2.

Check between rear seatback power return control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace motor sensor (LH) [reclining device assembly (LH)]. Refer to 

SE-107, "Exploded View"

.

NO

>> Replace rear seatback power return control unit. Refer to 

SE-120, "Removal and Installation"

.

(+)

(–)

Condition

Voltage (V)

(Approx.)

Power return motor assembly (LH)

Connector

Terminal 

B498

6

Ground

When the power return motor is operated

Battery voltage

Rear seatback power return control unit

Power return motor assembly (LH)

Continuity

Connector

Terminal

Connector

Terminal

B492

11

B498

6

Existed

Rear seatback power return control unit

Ground

Continuity 

Connector

Terminal

B492

11

Not existed

Rear seatback power return control unit

Power return motor assembly (LH)

Continuity 

Connector

Terminal

Connector

Terminal

B492

9

B498

4

Existed

Rear seatback power return control unit

Ground

Continuity 

Connector

Terminal

B492

9

Existed

SE-32

< DTC/CIRCUIT DIAGNOSIS >

MOTOR SENSOR

7.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

RH

RH : Description

INFOID:0000000009718729

Detect the operation condition of power return motor (RH). 

RH : Component Function Check

INFOID:0000000009718730

1.

CHECK FUNCTION

Check that the rear seatback (RH) rises when pressing and holding the power return switch (RH). 

Is the inspection result normal?

YES

>> Motor sensor (RH) is OK.

NO

>> Refer to 

SE-32, "RH : Diagnosis Procedure"

.

RH : Diagnosis Procedure

INFOID:0000000009718731

1.

CHECK MOTOR SENSOR (RH) OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between rear seatback power return control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 2.

2.

CHECK MOTOR SENSOR (RH) SIGNAL CIRCUIT

1.

Disconnect power return motor assembly (RH) connector and rear seatback power return control unit con-
nector.

2.

Check continuity between power return motor assembly (RH) harness connector and rear seatback power
return control unit harness connector.

3.

Check continuity between power return motor assembly (RH) harness connector and ground.

(+)

(–)

Condition

Voltage (V)

(Approx.)

Rear seatback power return control unit

Connector

Terminal 

B492

2

Ground

During the power return motor 
(RH) operation

When pinching between LH/RH 
seats occurs

The above pulse width should be 
expanded

JMKIA0070GB

Rear seatback power return control unit

Power return motor assembly (RH)

Continuity

Connector

Terminal

Connector

Terminal

B492

2

B494

3

Existed

MOTOR SENSOR

SE-33

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK MOTOR SENSOR (RH) POWER SUPPLY

1.

Connect rear seatback power return control unit connector.

2.

Check voltage between power return motor assembly (RH) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK MOTOR SENSOR (RH) POWER SUPPLY CIRCUIT

1.

Disconnect rear seatback power return control unit connector.

2.

Check continuity between rear seatback power return control unit harness connector and power return
motor assembly (RH) harness connector.

3.

Check continuity between rear seatback power return control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace rear seatback power return control unit. Refer to 

SE-120, "Removal and Installation"

.

NO

>> Repair or replace harness.

5.

CHECK MOTOR SENSOR (RH) GROUND CIRCUIT 1

1.

Disconnect rear seatback power return control unit connector.

2.

Check continuity between rear seatback power return control unit harness connector power return motor
assembly harness connector.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness.

6.

CHECK MOTOR SENSOR (RH) GROUND CIRCUIT 2

1.

Connect rear seatback power return control unit connector.

2.

Check between rear seatback power return control unit harness connector and ground.

Rear seatback power return control unit

Ground

Continuity

Connector

Terminal

B492

2

Not existed

(+)

(–)

Condition

Voltage (V)

(Approx.)

Power return motor assembly (RH)

Connector

Terminal 

B494

6

Ground

When the power return motor is operated

Battery voltage

Rear seatback power return control unit

Power return motor assembly (RH)

Continuity

Connector

Terminal

Connector

Terminal

B492

3

B494

6

Existed

Rear seatback power return control unit

Ground

Continuity 

Connector

Terminal

B492

3

Not existed

Rear seatback power return control unit

Power return motor assembly (RH)

Continuity 

Connector

Terminal

Connector

Terminal

B492

1

B494

4

Existed

SE-34

< DTC/CIRCUIT DIAGNOSIS >

MOTOR SENSOR

Is the inspection result normal?

YES

>> Replace motor sensor (RH) [reclining device assembly (RH)]. Refer to 

SE-107, "Exploded View"

.

NO

>> Replace rear seatback power return control unit. Refer to 

SE-120, "Removal and Installation"

.

7.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Rear seatback power return control unit

Ground

Continuity 

Connector

Terminal

B492

9

Existed