Infiniti EX35. Manual - part 193

AV

RGB SYNCHRONIZING SIGNAL CIRCUIT

AV-553

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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RGB SYNCHRONIZING SIGNAL CIRCUIT

Description

INFOID:0000000003160707

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

Diagnosis Procedure

INFOID:0000000003160708

1.

CHECK CONTINUITY RGB SYNCHRONIZING 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 inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB SYNCHRONIZING 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 inspection result normal?

YES

>> Replace display unit.

NO

>> Replace AV control unit.

Display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M75

19

M88

65

Existed

Display unit

Ground

Continuity

Connector

Terminal

M75

19

Not existed

(+)

(

−

)

Condition

Reference value

Display unit

Connector

Terminal

M75

19

Ground

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

SKIB3603E

AV-554

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

RGB AREA (YS) SIGNAL CIRCUIT

RGB AREA (YS) SIGNAL CIRCUIT

Description

INFOID:0000000003160709

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

Diagnosis Procedure

INFOID:0000000003160710

1.

CHECK CONTINUITY RGB AREA (YS) 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 inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB SYNCHRONIZING 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 inspection result normal?

YES

>> Replace display unit.

NO

>> Replace AV control unit.

Display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M75

9

M88

67

Existed

Display unit

Ground

Continuity

Connector

Terminal

M75

9

Not existed

(+)

(

−

)

Condition

Reference value

(Approx.)

Display unit

Connector

Terminal

M75

9

Ground

At RGB image displayed

5.0 V

At AUX image displayed

PKIB4948J

AV

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

AV-555

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

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G

H

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B

A

O

P

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

Description

INFOID:0000000003160711

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

Diagnosis Procedure

INFOID:0000000003160712

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 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 inspection result normal?

YES

>> Replace AV control unit.

NO

>> Replace Display unit.

Display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M75

8

M88

68

Existed

Display unit

Ground

Continuity

Connector

Terminal

M75

8

Not existed

(+)

(

−

)

Reference value

Display unit

Connector

Terminal

M75

8

Ground

SKIB3603E

AV-556

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT

VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT

Description

INFOID:0000000003513832

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

Diagnosis Procedure

INFOID:0000000003160714

1.

CHECK CONTINUITY VERTICAL SYNCHRONIZING (VP) 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 inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK VERTICAL SYNCHRONIZING (VP) 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 inspection result normal?

YES

>> Replace AV control unit.

NO

>> Replace Display unit.

Display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M75

20

M88

69

Existed

Display unit

Ground

Continuity

Connector

Terminal

M75

20

Not existed

(+)

(

−

)

Reference value

Display unit

Connector

Terminal

M75

20

Ground

SKIB3598E