Nissan Maxima. Manual - part 145

AV-400

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

RGB SYNCHRONIZING SIGNAL CIRCUIT

RGB SYNCHRONIZING SIGNAL CIRCUIT

Description

INFOID:0000000009471356

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

AV control unit.

Diagnosis Procedure

INFOID:0000000009471357

Regarding Wiring Diagram information, refer to 

AV-449, "Wiring Diagram - With BOSE Audio system Without

Navigation System"

.

1.

CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect display unit connector M141 and AV control unit con-

nector M154.

3. Check continuity between display unit harness connector M141

(A) terminal 19 and AV control unit harness connector M154 (B)

terminal 41.

4. Check continuity between display unit harness connector M141

(A) terminal 19 and ground.

Are continuity results as specified?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB SYNCHRONIZING SIGNAL

1. Connect display unit connector M141 and AV control unit con-

nector M154.

2. Turn ignition switch ON.

3. Check signal between display unit harness connector M141 ter-

minal 19 and ground.

Are voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-484, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-481, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M141

19

M154

41

Yes

A

—

Continuity

Connector

Terminal

M141

19

Ground

No

ALNIA0388GB

(+)

(-)

Condition

Reference signal

Connector

Terminal

M141

19

Ground

Receive 
audio sig-
nal

ALNIA0389GB

SKIB3603E

AV

RGB AREA (YS) SIGNAL CIRCUIT

AV-401

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

C

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B

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RGB AREA (YS) SIGNAL CIRCUIT

Description

INFOID:0000000009471358

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

unit.

Diagnosis Procedure

INFOID:0000000009471359

Regarding Wiring Diagram information, refer to 

AV-449, "Wiring Diagram - With BOSE Audio system Without

Navigation System"

.

1.

CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect display unit connector M141 and AV control unit con-

nector M154.

3. Check continuity between display unit harness connector M141

(A) terminal 9 and AV control unit harness connector M154 (B)

terminal 43.

4. Check continuity between display unit harness connector M141

(A) terminal 9 and ground.

Are continuity results as specified?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB SYNCHRONIZING SIGNAL

1. Connect display unit connector M141 and AV control unit con-

nector M154.

2. Turn ignition switch ON.

3. Check signal between display unit harness connector M141 ter-

minal 9 and ground.

Are voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-484, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-481, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M141

9

M154

43

Yes

A

—

Continuity

Connector

Terminal

M141

9

Ground

No

ALNIA0390GB

(+)

(-)

Condition

Reference signal

Connector

Terminal

M141

9

Ground

Receive 
audio sig-
nal

ALNIA0391GB

PKIB4948J

AV-402

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

Description

INFOID:0000000009471360

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:0000000009471361

Regarding Wiring Diagram information, refer to 

AV-449, "Wiring Diagram - With BOSE Audio system Without

Navigation System"

.

1.

CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect display unit connector M141 and AV control unit con-

nector M154.

3. Check continuity between display unit harness connector M141

(A) terminal 8 and AV control unit harness connector M154 (B)

terminal 45.

4. Check continuity between display unit harness connector M141

(A) terminal 8 and ground.

Are continuity results as specified?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL

1. Connect display unit connector M141 and AV control unit con-

nector M154.

2. Turn ignition switch ON.

3. Check signal between display unit harness connector M141 ter-

minal 8 and ground.

Are voltage readings as specified?

YES

>> Replace AV control unit. Refer to 

AV-481, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M141

8

M154

45

Yes

A

—

Continuity

Connector

Terminal

M141

8

Ground

No

ALNIA0394GB

(+)

(-)

Condition

Reference signal

Connector

Terminal

M141

8

Ground

Receive 
audio sig-
nal

ALNIA0396GB

SKIB3601E

AV

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

AV-403

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

NO

>> Replace display unit. Refer to 

AV-484, "Removal and Installation"

.