Nissan Murano. Manual - part 118

AV-250

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

RGB (B: BLUE) SIGNAL CIRCUIT

RGB (B: BLUE) SIGNAL CIRCUIT

Description

INFOID:0000000009721760

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

Diagnosis Procedure

INFOID:0000000009721761

1.

CHECK CONTINUITY RGB (B: BLUE) 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 display unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB (B: BLUE) SIGNAL

1.

Connect AV control unit connector and display unit connector.

2.

Turn ignition switch ON.

3.

Check signal between display unit harness connector and ground.

Is inspection result normal?

YES

>> Replace display unit. Refer to 

AV-277, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-276, "Exploded View"

.

AV control unit

Display unit

Continuity

Connector

Terminal

Connector

Terminal

M172

45

M194

18

Existed

Display unit

Ground

Continuity

Connector

Terminal

M194

18

Not existed

(+)

(

−

)

Condition

Reference value

Display unit

Connector

Terminal

M194

18

Ground

Start confirmation/adjust-
ment mode, and then dis-
play color bar by 
selecting “Color Spec-
trum Bar” on DISPLAY 
DIAGNOSIS screen.

SKIB2237J

AV

RGB SYNCHRONIZING SIGNAL CIRCUIT

AV-251

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

RGB SYNCHRONIZING SIGNAL CIRCUIT

Description

INFOID:0000000009721762

Transmit the RGB synchronizing signal to the display unit so as to synchronize the RGB image displayed with
AV control unit.

Diagnosis Procedure

INFOID:0000000009721763

1.

CHECK CONTINUITY RGB SYNCHRONIZING 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 display unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB SYNCHRONIZING SIGNAL

1.

Connect AV control unit connector and display 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-277, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-276, "Exploded View"

.

AV control unit

Display unit

Continuity

Connector

Terminal

Connector

Terminal

M172

42

M194

19

Existed

Display unit

Ground

Continuity

Connector

Terminal

M194

19

Not existed

(+)

(

−

)

Reference value

Display unit

Connector

Terminal

M194

19

Ground

SKIB3603E

AV-252

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

RGB AREA (YS) SIGNAL CIRCUIT

RGB AREA (YS) SIGNAL CIRCUIT

Description

INFOID:0000000009721764

Transmits the display area of RGB image displayed by AV control unit with RGB area (YS) signal to display
unit.

Diagnosis Procedure

INFOID:0000000009721765

1.

CHECK CONTINUITY RGB AREA (YS) 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 display unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB AREA (YS) SIGNAL

1.

Connect AV control unit connector and display 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-277, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-276, "Exploded View"

.

AV control unit

Display unit

Continuity

Connector

Terminal

Connector

Terminal

M172

40

M194

9

Existed

Display unit

Ground

Continuity

Connector

Terminal

M194

9

Not existed

(+)

(

−

)

Condition

Reference value

(Approx.)

Display unit

Connector

Terminal

M194

9

Ground

At RGB image is displayed.

5.0 V

At AUX image is displayed.

PKIB4948J

AV

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

AV-253

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

Description

INFOID:0000000009721766

In composite image (AUX and camera image), transmit the vertical synchronizing (VP) signal and horizontal
synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images displayed
with AV control unit such as the image quality adjusting menu, etc.

Diagnosis Procedure

INFOID:0000000009721767

1.

CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) 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 HORIZONTAL SYNCHRONIZING (HP) SIGNAL

1.

Connect display unit connector and 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 AV control unit. Refer to 

AV-276, "Exploded View"

.

NO

>> Replace display unit. Refer to 

AV-277, "Exploded View"

.

Display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M194

8

M172

38

Existed

Display unit

Ground

Continuity

Connector

Terminal

M194

8

Not existed

(+)

(

−

)

Reference value

Display unit

Connector

Terminal

M194

8

Ground

SKIB3601E