Nissan Quest E52. Manual - part 84

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-215

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITH SEPARATE DISPLAY]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between rear display unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between rear display unit and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear display unit connector.

3.

Check continuity between rear display unit harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

SATELLITE RADIO TUNER

SATELLITE RADIO TUNER : Diagnosis Procedure

INFOID:0000000009652044

1.

CHECK FUSES

Check that the following fuses of the satellite radio tuner are not blown.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between the satellite radio tuner and ground.

Power source

Fuse No.

Battery

35

Ignition switch ACC or ON

19

Signal name

Rear display unit

Probe

Condition

Standard

Reference value

Terminal

Connector

(+)

(

−

)

Ignition switch

Battery power supply

R36

29

31
32

OFF

9.0 - 16.0 V

Battery voltage

30

ACC power supply

28

ACC

7.6 V - Battery 

voltage

Signal name

Connector No.

Terminal No.

Ignition switch position

Continuity 

Ground

R36

31

OFF

Existed

32

Power source

Fuse No.

Battery

35

Ignition switch ACC or ON

19

AV-216

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITH SEPARATE DISPLAY]

POWER SUPPLY AND GROUND CIRCUIT

Is inspection result OK?

YES

>> GO TO 3.

NO

>> Check harness between satellite radio tuner and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect satellite radio tuner connector.

3.

Check continuity between satellite radio tuner harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

TEL ADAPTER UNIT

TEL ADAPTER UNIT : Diagnosis Procedure

INFOID:0000000009652045

1.

CHECK FUSE

Check for blown fuses.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse. 

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between TEL adapter unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between TEL adapter unit and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect TEL adapter unit connector.

3.

Check continuity between TEL adapter unit harness connector and ground.

Signal name

Satellite radio 

tuner

Probe

Condition

Standard

Reference value

Terminal

Connector

(+)

(

−

)

Ignition switch

Battery power supply

B49

12

15

OFF

10.8 - 15.6 V

Battery voltage

ACC power supply

16

ACC

7.0 - 16.0 V

Signal name

Connector

Terminal No.

Ignition switch position

Continuity 

Ground

B49

15

OFF

Existed

Power source

Fuse No.

Battery

35

Ignition switch ACC or ON

19

Signal name

TEL adapter unit

Probe

Condition

Standard

Reference value

Terminal

Connector

(+)

(

−

)

Ignition switch

Battery power supply

M138

1

4

OFF

9.0 - 16.0 V

Battery voltage

ACC power supply

2

ACC

7.0 - 16.0 V

Signal name

Connector

Terminal

Ignition switch position

Continuity 

Ground

M138

4

OFF

Existed

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-217

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITH SEPARATE DISPLAY]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

AV-218

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO WITH SEPARATE DISPLAY]

RGB (R: RED) SIGNAL CIRCUIT

RGB (R: RED) SIGNAL CIRCUIT

Description

INFOID:0000000009652046

Transmit the image displayed with AV control unit with RGB signal to the front display unit.

Diagnosis Procedure

INFOID:0000000009652047

1.

CHECK CONTINUITY RGB (R: RED) 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 (R: RED) 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-251, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-250, "Removal and Installation"

.

Front display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M156

17

M172

43

Existed

Front display unit

Ground

Continuity

Connector

Terminal

M156

17

Not existed

Probe

Condition

Standard

Reference value

(+)

(-)

Front display unit

Connector

Terminal

Connector

Terminal

M156

17

M156

1

Start confirmation/
adjustment mode, 
and then display col-
or bar by selecting 
“Color Spectrum 
Bar” on DISPLAY 
DIAGNOSIS 
screen.

Waveform accord-
ing to RGB image is 
input.

JSNIA1029ZZ