Nissan Quest E52. Manual - part 125

 

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Nissan Quest E52. Manual - part 125

 

 

AV

COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DIS-

PLAY UNIT)

AV-379

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

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COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT
DISPLAY UNIT)

Description

INFOID:0000000009652190

The AV control unit outputs image signal (DVD, auxiliary input, and camera) to the front display unit and rear
display unit by composite image signal.

Diagnosis Procedure

INFOID:0000000009652191

1.

CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY

UNIT)

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and front display unit connector.

3.

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

4.

Check continuity between AV control unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK COMPOSITE IMAGE SIGNAL (AV CONTROL UNIT TO FRONT DISPLAY UNIT)

1.

Connect AV control unit connector and front display unit connector.

2.

Turn ignition switch ON.

3.

Check signal between front display unit harness connector.

Is 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"

.

AV control unit

Front display unit

Continuity

Connector

Terminal

Connector

Terminal

M172

46

M156

4

Existed

47

15

AV control unit

Ground

Continuity

Connector

Terminal

M172

46

Not existed

47

Probe

Condition

Standard

Reference value

(+)

(

−

)

Front display unit

Connector

Terminal

Connector

Terminal

M156

15

M156

4

When DVD, 
AUX or cam-
era image is 
displayed.

Waveform according to 
composite image is in-
put.

SKIB2251J

AV-380

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO REAR DISPLAY 

UNIT)

COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO REAR DIS-
PLAY UNIT)

Description

INFOID:0000000009652192

The AV control unit outputs image signal (DVD, auxiliary input, and camera) to the front display unit and rear
display unit by composite image signal.

Diagnosis Procedure

INFOID:0000000009652193

1.

CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT (AV CONTROL UNIT TO REAR DISPLAY

UNIT)

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and rear display unit connector.

3.

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

4.

Check continuity between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK COMPOSITE IMAGE SIGNAL (AV CONTROL UNIT TO REAR DISPLAY UNIT)

1.

Connect AV control unit connector and rear display unit connector.

2.

Turn ignition switch ON.

3.

Check signal between rear display unit harness connector.

Is the inspection result normal?

YES

>> Replace rear display unit. Refer to 

AV-406, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-404, "Removal and Installation"

.

AV control unit

Rear display unit

Continuity

Connector

Terminal

Connector

Terminal

M173

67

R36

7

Existed

66

8

AV control unit

Ground

Continuity

Connector

Terminal

M173

67

Not existed

66

Probe

Condition

Standard

Reference value

(+)

(

−

)

Rear display unit

Connector

Terminal

Connector

Terminal

R36

7

R36

8

When DVD 
or AUX im-
age is dis-
played.

Waveform according to 
composite image is in-
put.

SKIB2251J

AV

AUX IMAGE SIGNAL CIRCUIT

AV-381

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

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AUX IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000009652194

• Transmits the image signal of AUX (auxiliary input) device from auxiliary input jacks to AV control unit.
• The AV control unit transmits the AUX image signal to the front display unit by composite image signal.

Diagnosis Procedure

INFOID:0000000009652195

1.

CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and auxiliary input jacks connector.

3.

Check continuity between AV control unit harness connector and auxiliary input jacks harness connector.

4.

Check continuity between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK AUX IMAGE SIGNAL

1.

Connect AV control unit connector and auxiliary input jacks connector.

2.

Turn ignition switch ON.

3.

Check signal between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-404, "Removal and Installation"

.

NO

>> Check that there is no malfunction in the external device.

AV control unit

Auxiliary input jacks

Continuity

Connector

Terminal

Connector

Terminal

M173

61

B273

7

Existed

69

8

AV control unit

Ground

Continuity

Connector

Terminal

M173

61

Not existed

69

Probe

Condition

Standard

Reference value

(+)

(

−

)

AV control unit

Connector

Terminal

Connector

Terminal

M173

61

M173

69

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

Waveform according to 
AUX image is input.

SKIB2251J

AV-382

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

CAMERA IMAGE SIGNAL CIRCUIT

CAMERA IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000009652196

• AV control unit outputs camera power supply to rear view camera and inputs rear view camera image signal

from rear view camera when the reverse signal is input.

• The AV control unit that inputs the camera image signal transmits the camera image signal to the front dis-

play unit.

Diagnosis Procedure

INFOID:0000000009652197

1.

CHECK CONTINUITY CAMERA POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and rear view camera connector.

3.

Check continuity between AV control unit harness connector and rear view camera harness connector.

4.

Check continuity between AV control unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK VOLTAGE CAMERA POWER SUPPLY

1.

Connect AV control unit connector and rear view camera connector.

2.

Turn ignition switch ON.

3.

Shift the selector lever to “R”.

4.

Check voltage between AV control unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 3.

NO

>> Replace AV control unit. Refer to 

AV-404, "Removal and Installation"

.

3.

CHECK CONTINUITY CAMERA IMAGE SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and rear view camera connector.

3.

Check continuity between AV control unit harness connector and rear view camera harness connector.

4.

Check continuity between AV control unit harness connector and ground.

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M173

73

D167

1

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M173

73

Not existed

Probe

Standard

Voltage

(Approx.)

(+)

(

−

)

AV control unit

Connector

Terminal

Connector

Terminal

M173

73

M173

72

5.9 - 6.5 V

6.2 V

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M173

62

D167

3

Existed

 

 

 

 

 

 

 

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