Nissan Quest E52. Instruction — part 123

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-371

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

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.

TEL ADAPTER UNIT

TEL ADAPTER UNIT : Diagnosis Procedure

INFOID:0000000009652175

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.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

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-372

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

RGB (R: RED) SIGNAL CIRCUIT

RGB (R: RED) SIGNAL CIRCUIT

Description

INFOID:0000000009652176

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

Diagnosis Procedure

INFOID:0000000009652177

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-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

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

AV

RGB (G: GREEN) SIGNAL CIRCUIT

AV-373

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

RGB (G: GREEN) SIGNAL CIRCUIT

Description

INFOID:0000000009652178

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

Diagnosis Procedure

INFOID:0000000009652179

1.

CHECK CONTINUITY RGB (G: GREEN) 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 (G: GREEN) 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

6

M172

44

Existed

Front display unit

Ground

Continuity

Connector

Terminal

M156

6

Not existed

Probe

Condition

Standard

Reference value

(+)

(-)

Front display unit

Connector

Terminal

Connector

Terminal

M156

6

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.

JSNIA1030ZZ

AV-374

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

RGB (B: BLUE) SIGNAL CIRCUIT

RGB (B: BLUE) SIGNAL CIRCUIT

Description

INFOID:0000000009652180

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

Diagnosis Procedure

INFOID:0000000009652181

1.

CHECK CONTINUITY RGB (B: BLUE) 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 (B: BLUE) 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

18

M172

45

Existed

Front display unit

Ground

Continuity

Connector

Terminal

M156

18

Not existed

Probe

Condition

Standard

Reference value

(+)

(-)

Front display unit

Connector

Terminal

Connector

Terminal

M156

18

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.

JSNIA1031ZZ