Nissan Murano. Manual - part 86

AV-122

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITH COLOR DISPLAY]

RGB (G: GREEN) SIGNAL CIRCUIT

RGB (G: GREEN) SIGNAL CIRCUIT

Description

INFOID:0000000009721638

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

Diagnosis Procedure

INFOID:0000000009721639

1.

CHECK CONTINUITY RGB (G: GREEN) 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 (G: GREEN) 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-150, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-149, "Exploded View"

.

AV control unit

Display unit

Continuity

Connector

Terminal

Connector

Terminal

M172

44

M194

6

Existed

Display unit

Ground

Continuity

Connector

Terminal

M194

6

Not existed

(+)

(

−

)

Condition

Reference value

Display unit

Connector

Terminal

M194

6

Ground

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

SKIB2236J

AV

RGB (B: BLUE) SIGNAL CIRCUIT

AV-123

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITH COLOR DISPLAY]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

RGB (B: BLUE) SIGNAL CIRCUIT

Description

INFOID:0000000009721640

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

Diagnosis Procedure

INFOID:0000000009721641

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-150, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-149, "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-124

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITH COLOR DISPLAY]

RGB SYNCHRONIZING SIGNAL CIRCUIT

RGB SYNCHRONIZING SIGNAL CIRCUIT

Description

INFOID:0000000009721642

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

Diagnosis Procedure

INFOID:0000000009721643

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-150, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-149, "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

RGB AREA (YS) SIGNAL CIRCUIT

AV-125

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITH COLOR DISPLAY]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

RGB AREA (YS) SIGNAL CIRCUIT

Description

INFOID:0000000009721644

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

Diagnosis Procedure

INFOID:0000000009721645

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-150, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-149, "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