Nissan Murano. Manual - part 161

 

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Nissan Murano. Manual - part 161

 

 

AV-422

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

COMPOSITE IMAGE SIGNAL CIRCUIT

COMPOSITE IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000009721948

• DVD is played by inserting DVD into the AV control unit.
• DVD image signals are transmitted to the display unit.
• AV control unit receives the image signal from the auxiliary input jacks and USB (video data) and then trans-

mits it to the display unit.

Diagnosis Procedure

INFOID:0000000009721949

1.

CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and display unit connector.

3.

Check continuity between AV control unit harness connector and display unit harness connector.

4.

Check continuity between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK COMPOSITE IMAGE SIGNAL

1.

Connect AV control unit connector and display unit connector.

2.

Turn ignition switch ON.

3.

Check signal between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace display unit. Refer to 

AV-449, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-448, "Exploded View"

.

AV control unit

Display unit

Continuity

Connector

Terminal

Connector

Terminal

M180

68

M195

18

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M180

68

Not existed

(+)

(

)

Condition

Reference value

AV control unit

Connector

Terminal

M180

68

Ground

At DVD image is displayed.

SKIB2251J

AV

RGB DIGITAL IMAGE SIGNAL CIRCUIT

AV-423

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

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B

A

O

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RGB DIGITAL IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000009721950

Transmit the image displayed with AV control unit with RGB digital image signal to the display unit.

Diagnosis Procedure

INFOID:0000000009721951

1.

CHECK CONTINUITY RGB DIGITAL IMAGE SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect display unit connector and AV control unit connector.

3.

Check continuity between display unit harness connector and AV control unit harness connector.

4.

Check continuity between display unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB DIGITAL IMAGE SIGNAL

1.

Connect AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between display unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace display unit. Refer to 

AV-449, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-448, "Exploded View"

.

Display unit

AV control unit

Continuity

Connector

Terminals

Connector

Terminals

M388

27

M387

157

Existed

28

158

Display unit

Ground

Continuity

Connector

Terminals

M388

27

Not existed

28

(+)

(

)

Condition

Voltage

(Approx.)

Display unit

Connector

Terminal

M388

27

Ground

3.0 V

28

AV-424

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

AUX IMAGE SIGNAL CIRCUIT

AUX IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000009721952

• Transmits the image signal of AUX device from auxiliary input jacks to AV control unit.
• AV control unit transmits the image signal that is input to the display unit.

Diagnosis Procedure

INFOID:0000000009721953

1.

CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect auxiliary input jacks connector and AV control unit connector.

3.

Check continuity between auxiliary input jacks harness connector and AV control unit harness connector.

4.

Check continuity between auxiliary input jacks harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK AUX IMAGE SIGNAL

1.

Connect auxiliary input jacks connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between auxiliary input jacks harness connector and ground.

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-448, "Exploded View"

.

NO

>> Check that there is no malfunction in the external device.

Auxiliary input jacks

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M253

7

M179

26

Existed

Auxiliary input jacks

Ground

Continuity

Connector

Terminal

M253

7

Not existed

(+)

(

)

Condition

Reference value

Auxiliary input jacks

Connector

Terminal

M253

7

Ground

At AUX image is displayed.

SKIB2251J

AV

CAMERA IMAGE SIGNAL CIRCUIT

AV-425

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

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CAMERA IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000009721954

• When receiving a reverse signal, the AV control unit supplies power to rear view camera.
• The rear view camera transmits a camera image signal to the display unit.

Diagnosis Procedure

INFOID:0000000009721955

1.

CHECK CONTINUITY CAMERA POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and rear view camera connector.

3.

Check continuity between AV control unit harness connector and rear view camera harness connector.

4.

Check continuity between AV control unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK CONTINUITY CAMERA IMAGE SIGNAL CIRCUIT

1.

Disconnect display unit connector and rear view camera connector.

2.

Check continuity between display unit harness connector and rear view camera harness connector.

3.

Check continuity between display unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK CAMERA IMAGE SIGNAL

1.

Connect display unit connector and rear view camera connector.

2.

Turn ignition switch ON.

3.

Check signal between display unit harness connector and ground.

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M179

22

D192

1

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M179

22

Not existed

Display unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M195

8

D192

3

Existed

Display unit

Ground

Continuity

Connector

Terminal

M195

8

Not existed

 

 

 

 

 

 

 

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