Nissan Murano Z51. Manual - part 87

AV

RGB (B: BLUE) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DISPLAY 

UNIT)

AV-127

< DTC/CIRCUIT DIAGNOSIS >

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RGB (B: BLUE) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DIS-
PLAY UNIT)

Description

INFOID:0000000005528540

Transmit the image displayed with video distributor with RGB signal to the rear display unit.

Diagnosis Procedure

INFOID:0000000005528541

1.

CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear display unit connector and video distributor connector.

3.

Check continuity between rear display unit harness connector and video distributor harness connector.

4.

Check continuity between rear display unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB (B: BLUE) SIGNAL

1.

Connect rear display unit connector and video distributor connector.

2.

Turn ignition switch ON.

3.

Check signal between rear display unit harness connector and ground using an oscilloscope.

Is the inspection result normal?

YES

>> Replace rear display unit.

NO

>> Replace video distributor.

Rear display unit

Video distributor

Continuity

Connector

Terminal

Connector

Terminal

R152

20

M257

28

Existed

Rear display unit

Ground

Continuity

Connector

Terminal

R152

20

Not existed

(+)

(

−

)

Condition

Signal

Rear display unit

Connector

Terminal

R152

20

Ground

Rear seat remote controller opera-
tion when AUX or DVD image is 
displayed on rear display unit.

JSNIA1090ZZ

AV-128

< DTC/CIRCUIT DIAGNOSIS >

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COMPOSITE SYNCHRONIZING SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO 

REAR DISPLAY UNIT)

COMPOSITE SYNCHRONIZING SIGNAL CIRCUIT (VIDEO DISTRIBUTOR
TO REAR DISPLAY UNIT)

Description

INFOID:0000000005528542

Transmit the composite synchronizing signal to the rear display unit so as to synchronize the composite image
displayed with video distributor.

Diagnosis Procedure

INFOID:0000000005528543

1.

CHECK CONTINUITY COMPOSITE SYNCHRONIZING SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear display unit connector and video distributor connector.

3.

Check continuity between rear display unit harness connector and video distributor harness connector.

4.

Check continuity between rear display unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK COMPOSITE SYNCHRONIZING SIGNAL

1.

Connect rear display unit connector and video distributor connector.

2.

Turn ignition switch ON.

3.

Check signal between rear display unit harness connector and ground using an oscilloscope.

Is the inspection result normal?

YES

>> Replace rear display unit.

NO

>> Replace video distributor.

Rear display unit

Video distributor

Continuity

Connector

Terminal

Connector

Terminal

R152

13

M257

33

Existed

Rear display unit

Ground

Continuity

Connector

Terminal

R152

13

Not existed

(+)

(

−

)

Condition

Signal

Rear display unit

Connector

Terminal

R152

13

Ground

When AUX or DVD image is dis-
played on rear display unit.

SKIB0825E

AV

RGB AREA (YS) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DISPLAY 

UNIT)

AV-129

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RGB AREA (YS) SIGNAL CIRCUIT (VIDEO DISTRIBUTOR TO REAR DIS-
PLAY UNIT)

Description

INFOID:0000000005528544

Transmits the display area of RGB image displayed by video distributor with RGB area (YS) signal to rear dis-
play unit.

Diagnosis Procedure

INFOID:0000000005528545

1.

CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear display unit connector and video distributor connector.

3.

Check continuity between rear display unit harness connector and video distributor harness connector.

4.

Check continuity between rear 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 rear display unit connector and video distributor connector.

2.

Turn ignition switch ON.

3.

Check signal between rear display unit harness connector and ground using an oscilloscope.

Is the inspection result normal?

YES

>> Replace rear display unit.

NO

>> Replace video distributor.

Rear display unit

Video distributor

Continuity

Connector

Terminal

Connector

Terminal

R152

15

M257

32

Existed

Rear display unit

Ground

Continuity

Connector

Terminal

R152

15

Not existed

(+)

(

−

)

Condition

Signal

Rear display unit

Connector

Terminal

R152

15

Ground

When AUX or DVD image is dis-
played on rear display unit.

0 V

Rear seat remote controller opera-
tion when AUX or DVD image is 
displayed on rear display unit.

PKIB4948J

AV-130

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VP SIGNAL CIRCUIT (REAR DISPLAY UNIT TO VIDEO DISTRIBUTOR)

VP SIGNAL CIRCUIT (REAR DISPLAY UNIT TO VIDEO DISTRIBUTOR)

Description

INFOID:0000000005528546

In composite image (DVD and AUX images), transmit the vertical synchronizing (VP) signal and horizontal
synchronizing (HP) signal from rear display unit to video distributor so as to synchronize the RGB images dis-
played with video distributor such as the image quality adjusting menu, etc.

Diagnosis Procedure

INFOID:0000000005528547

1.

CHECK CONTINUITY VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear display unit connector and video distributor connector.

3.

Check continuity between rear display unit harness connector and video distributor harness connector.

4.

Check continuity between rear display unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL

1.

Connect rear display unit connector and video distributor connector.

2.

Turn ignition switch ON.

3.

Check signal between rear display unit harness connector and ground using an oscilloscope.

Is the inspection result normal?

YES

>> Replace video distributor.

NO

>> Replace rear display unit.

Rear display unit

Video distributor

Continuity

Connector

Terminal

Connector

Terminal

R152

17

M257

29

Existed

Rear display unit

Ground

Continuity

Connector

Terminal

R152

17

Not existed

(+)

(

−

)

Condition

Signal

Rear display unit

Connector

Terminal

R152

17

Ground

—

SKIB3598E