Nissan Quest E52. Manual - part 126

AV

CAMERA IMAGE SIGNAL CIRCUIT

AV-383

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C

D

E

F

G

H

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J

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B

A

O

P

Is inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK CAMERA IMAGE SIGNAL

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 signal between AV control unit harness connector and ground.

Is inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-404, "Removal and Installation"

.

NO

>> Replace rear view camera. Refer to 

AV-426, "Removal and Installation"

.

AV control unit

Ground

Continuity

Connector

Terminal

M173

62

Not existed

Probe

Condition

Standard

Reference value

(+)

(+)

AV control unit

Connector

Terminal

Connector

Terminal

M173

62

M171

20

When cam-
era image is 
displayed.

Waveform according to 
camera image is input.

SKIB2251J

AV-384

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DISK EJECT SIGNAL CIRCUIT

DISK EJECT SIGNAL CIRCUIT

Description

INFOID:0000000009652198

The disk eject switch outputs disk eject signal to the AV control unit when the switch of disk eject switch is
pressed.

Diagnosis Procedure

INFOID:0000000009652199

1.

CHECK CONTINUITY DISK EJECT SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and disk eject switch connector.

3.

Check continuity between AV control unit harness connector and disk eject switch 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 AV CONTROL UNIT VOLTAGE 

1.

Connect AV control unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between disk eject switch harness connector and ground.

Is the inspection result normal?

YES

>> Replace disk eject switch. Refer to 

AV-417, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-404, "Removal and Installation"

.

AV control unit

Disk eject switch

Continuity

Connector

Terminal

Connector

Terminal

M174

96

M153

4

Existed

82

3

AV control unit

Ground

Continuity

Connector

Terminal

M174

96

Not existed

82

Probe

Standard

Voltage

(Approx.)

(+)

(

−

)

Disk eject switch

Connector

Terminal

Connector

Terminal

M153

4

M153

3

—

3.3  V

AV

MICROPHONE SIGNAL CIRCUIT

AV-385

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MICROPHONE SIGNAL CIRCUIT

Description

INFOID:0000000009652200

TEL adapter unit supplies power to microphone. The microphone transmits the sound voice to the TEL
adapter unit.

Diagnosis Procedure

INFOID:0000000009652201

1.

CHECK CONTINUITY BETWEEN TEL ADAPTER UNIT AND MICROPHONE CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect TEL adapter unit connector and microphone connector.

3.

Check continuity between TEL adapter unit harness connector and microphone harness connector.

4.

Check continuity between TEL adapter unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK VOLTAGE MICROPHONE VCC 

1.

Connect TEL adapter unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between TEL adapter unit harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace TEL adapter unit. Refer to 

AV-420, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL 

1.

Connect microphone connector.

2.

Check signal between TEL adapter unit harness connector.

TEL adapter unit

Microphone

Continuity

Connector

Terminals

Connector

Terminals

M138

7

R20

1

Existed

8

2

29

4

TEL adapter unit

Ground

Continuity

Connector

Terminals

M138

29

Not existed

7

Probe

Standard

Voltage

(Approx.)

(+)

(

−

)

TEL adapter unit

Connector

Terminal

Connector

Terminal

M138

29

M138

8

4.7 - 5.3 V

5.0 V

AV-386

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MICROPHONE SIGNAL CIRCUIT

Is the inspection result normal?

YES

>> Replace TEL adapter unit. Refer to 

AV-420, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-422, "Removal and Installation"

.

Probe

Condition

Standard

Reference value

(+)

(+)

TEL adapter unit

Connector

Terminal

Connector

Terminal

M138

7

M138

8

Give  a  voice.

Waveform according to 
voice is input.

PKIB5037J