Nissan Murano. Manual - part 1157

RF-12

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

BCM

BCM : Diagnosis Procedure

INFOID:0000000009719652

1.

CHECK FUSE AND FUSIBLE LINK

Check that the following fuse and fusible link are not blown.

Is the fuse fusing?

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 BCM connectors.

3.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

SUNROOF MOTOR ASSEMBLY

SUNROOF MOTOR ASSEMBLY : Diagnosis Procedure

INFOID:0000000009719653

1.

CHECK POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect sunroof motor assembly connector.

3.

Turn ignition switch ON.

4.

Check voltage between sunroof motor assembly harness connector and ground.

Signal name

Fuse and fusible link No.

Battery power supply

L

10

Terminals

Voltage

(Approx.)

(+)

(

−

)

BCM

Ground

Connector

Terminal

M118

1

Battery voltage

M119

11

BCM

Ground

Continuity

Connector

Terminal

M119

13

Existed

POWER SUPPLY AND GROUND CIRCUIT

RF-13

< DTC/CIRCUIT DIAGNOSIS >

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D

E

F

G

H

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J

L

M

A

B

RF

N

O

P

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK SUNROOF MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM harness connector and sunroof motor assembly harness connector.

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Refer to 

BCS-98, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between sunroof motor assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

SUNSHADE MOTOR ASSEMBLY

SUNSHADE MOTOR ASSEMBLY : Diagnosis Procedure

INFOID:0000000009719654

1.

CHECK POWER SUPPLY

1.

Turn ignition switch OFF.

2.

Disconnect sunshade motor assembly connector.

3.

Turn ignition switch ON.

(+)

(–)

Voltage (V)

(Approx.)

Sunroof motor assembly 

 Connector

Terminal 

R101

3

Ground

Battery voltage

6

BCM

Sunroof motor assembly

Continuity

Connector

Terminal

 Connector

Terminal

M118

2

R101

6

Existed

3

3

BCM

Ground

Continuity

 Connector

Terminal

M118

2

Not existed

3

Sunroof motor assembly

Ground

Continuity 

 Connector

Terminal

R101

1

Existed

2

RF-14

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

4.

Check voltage between sunshade motor assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK SUNSHADE MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM harness connector and sunshade motor assembly harness connector.

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between sunshade motor assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

(+)

(–)

Voltage (V)

(Approx.)

Sunshade motor assembly 

 Connector

Terminal 

R102

6

Ground

Battery voltage

BCM

Sunshade motor assembly

Continuity

Connector

Terminal

 Connector

Terminal

M118

2

R102

6

Existed

BCM

Ground

Continuity

 Connector

Terminal

M118

2

Not existed

Sunshade motor assembly

Ground

Continuity 

 Connector

Terminal

R102

1

Existed

COMMUNICATION SIGNAL CIRCUIT

RF-15

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

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RF

N

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P

COMMUNICATION SIGNAL CIRCUIT

Description

INFOID:0000000009719655

Detects door open/close condition.

Diagnosis Procedure

INFOID:0000000009719656

1.

CHECK DOOR SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect sunshade motor assembly connector.

3.

Turn ignition switch ON.

4.

Check signal between sunshade motor assembly harness connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> GO TO 2.

2.

CHECK COMMUNICATION SIGNAL CIRCUIT 

1.

Disconnect sunroof motor assembly connector.

2.

Check continuity between sunshade motor assembly harness connector and sunroof motor assembly har-
ness connector.

3.

Check continuity between sunshade motor assembly harness connector and ground.

Is the inspection result normal?

YES

>> Replace sunroof motor assembly. Refer to 

RF-103, "Removal and Installation"

.

NO

>> Repair or replace harness.

(+)

(–)

Voltage (V)

(Approx.)

Sunshade motor assembly

Connector

Terminal

R102

7

Ground

JMKIA1869ZZ

Sunshade motor assembly

Sunroof motor assembly

Continuity

Connector

Terminal

Connector

Terminal

R102

7

R101

7

Existed

Sunshade motor assembly

Ground

Continuity 

Connector

Terminal

Not existed

R102

7