Infiniti FX35, FX50 (S51). Manual - part 186

 

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Infiniti FX35, FX50 (S51). Manual - part 186

 

 

AV

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

UNIT)

AV-517

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (TWIN MONITOR)]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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

Description

INFOID:0000000005247318

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

Diagnosis Procedure

INFOID:0000000005247319

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

B26

20

M97

28

Existed

Rear display unit

Ground

Continuity

Connector

Terminal

B26

20

Not existed

(+)

(

)

Condition

Reference value

Rear display unit

Connector

Terminal

B26

20

Ground

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

JSNIA1031ZZ

AV-518

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (TWIN MONITOR)]

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

UNIT)

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

Description

INFOID:0000000005247320

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

Diagnosis Procedure

INFOID:0000000005247321

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

B26

15

M97

32

Existed

Rear display unit

Ground

Continuity

Connector

Terminal

B26

15

Not existed

(+)

(

)

Condition

Reference value

Rear display unit

Connector

Terminal

B26

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

VERTICAL SYNCHRONIZING SIGNAL CIRCUIT (REAR DISPLAY UNIT TO VID-

EO DISTRIBUTOR)

AV-519

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (TWIN MONITOR)]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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

Description

INFOID:0000000005247322

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:0000000005247323

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

B26

17

M97

29

Existed

Rear display unit

Ground

Continuity

Connector

Terminal

B26

17

Not existed

(+)

(

)

Condition

Reference value

Rear display unit

Connector

Terminal

B26

17

Ground

SKIB3598E

AV-520

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (TWIN MONITOR)]

HORIZONTAL SYNCHRONIZING SIGNAL CIRCUIT (REAR DISPLAY UNIT TO 

VIDEO DISTRIBUTOR)

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

Description

INFOID:0000000005247324

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:0000000005247325

1.

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

B26

18

M97

30

Existed

Rear display unit

Ground

Continuity

Connector

Terminal

B26

18

Not existed

(+)

(

)

Condition

Reference value

Rear display unit

Connector

Terminal

B26

18

Ground

SKIB3601E

 

 

 

 

 

 

 

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