Nissan Quest E52. Manual - part 124

 

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Nissan Quest E52. Manual - part 124

 

 

AV

RGB SYNCHRONIZING SIGNAL CIRCUIT

AV-375

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

RGB SYNCHRONIZING SIGNAL CIRCUIT

Description

INFOID:0000000009652182

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

Diagnosis Procedure

INFOID:0000000009652183

1.

CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front display unit connector and AV control unit connector.

3.

Check continuity between front display unit harness connector and AV control unit harness connector.

4.

Check continuity between front 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 front display unit connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between front display unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace front display unit. Refer to 

AV-405, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-404, "Removal and Installation"

.

Front display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M156

19

M172

42

Existed

Front display unit

Ground

Continuity

Connector

Terminal

M156

19

Not existed

Probe

Standard

Reference value

(+)

(-)

Front display unit

Connector

Terminal

Connector

Terminal

M156

19

M156

1

Waveform of 0.8 V - 5.5 
V is input.

SKIB3603E

AV-376

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

RGB AREA (YS) SIGNAL CIRCUIT

RGB AREA (YS) SIGNAL CIRCUIT

Description

INFOID:0000000009652184

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

Diagnosis Procedure

INFOID:0000000009652185

1.

CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front display unit connector and AV control unit connector.

3.

Check continuity between front display unit harness connector and AV control unit harness connector.

4.

Check continuity between front 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 front display unit connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between front display unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace front display unit. Refer to 

AV-405, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-404, "Removal and Installation"

.

Front display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M156

9

M172

40

Existed

Front display unit

Ground

Continuity

Connector

Terminal

M156

9

Not existed

Probe

Condition

Standard

Reference value

(+)

(-)

Front display unit

Connector

Terminal

Connector

Terminal

M156

9

M156

1

At RGB image is dis-
played

5.5 V or less

5.0 V

At AUX image is dis-
played

Waveform of 0.8 V - 
5.5 V is input.

PKIB4948J

AV

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

AV-377

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

Description

INFOID:0000000009652186

In composite image (DVD, auxiliary input, and camera images), transmit the vertical synchronizing (VP) signal
and horizontal synchronizing (HP) signal from front display unit to AV control unit so as to synchronize the
RGB images displayed with AV control unit such as the image quality adjusting menu, etc.

Diagnosis Procedure

INFOID:0000000009652187

1.

CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front display unit connector and AV control unit connector.

3.

Check continuity between front display unit harness connector and AV control unit harness connector.

4.

Check continuity between front 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 front display unit connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between front display unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-404, "Removal and Installation"

.

NO

>> Replace front display unit. Refer to 

AV-405, "Removal and Installation"

.

Front display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M156

8

M172

38

Existed

Front display unit

Ground

Continuity

Connector

Terminal

M156

8

Not existed

Probe

Standard

Reference value

(+)

(-)

Front display unit

Connector

Terminal

Connector

Terminal

M156

8

M156

1

Waveform of 1.0 V - 5.5 
V is output.

SKIB3601E

AV-378

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT

VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT

Description

INFOID:0000000009652188

In composite image (DVD, auxiliary input, and camera images), transmit the vertical synchronizing (VP) signal
and horizontal synchronizing (HP) signal from front display unit to AV control unit so as to synchronize the
RGB images displayed with AV control unit such as the image quality adjusting menu, etc.

Diagnosis Procedure

INFOID:0000000009652189

1.

CHECK CONTINUITY VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front display unit connector and AV control unit connector.

3.

Check continuity between front display unit harness connector and AV control unit harness connector.

4.

Check continuity between front 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 front display unit connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between front display unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-404, "Removal and Installation"

.

NO

>> Replace front display unit. Refer to 

AV-405, "Removal and Installation"

.

Front display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M156

20

M172

50

Existed

Front display unit

Ground

Continuity

Connector

Terminal

M156

20

Not existed

Probe

Standard

Reference value

(+)

(-)

Front display unit

Connector

Terminal

Connector

Terminal

M156

20

M156

1

Waveform of 1.0 V - 5.5 
V is output.

SKIB3598E

 

 

 

 

 

 

 

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