Nissan Murano. Manual - part 162

AV-426

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

CAMERA IMAGE SIGNAL CIRCUIT

Is inspection result normal?

YES

>> Replace display unit. Refer to 

AV-449, "Exploded View"

.

NO

>> Replace rear view camera. Refer to 

AV-465, "Exploded View (Models without BSW and LDW)"

.

(+)

(

−

)

Condition

Reference value

Display unit

Connector

Terminal

M195

8

Ground

At camera image is dis-
played.

SKIB2251J

AV

DISK EJECT SIGNAL CIRCUIT

AV-427

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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DISK EJECT SIGNAL CIRCUIT

Description

INFOID:0000000009721956

The eject signal is output to AV control unit when the eject switch of multifunction switch is pressed.

Diagnosis Procedure

INFOID:0000000009721957

1.

CHECK CONTINUITY DISK EJECT SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect multifunction switch connector and AV control unit connector.

3.

Check continuity between multifunction switch harness connector and AV control unit harness connector.

4.

Check continuity between multifunction switch 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 multifunction switch connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace preset switch. Refer to 

AV-458, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-448, "Exploded View"

.

Multifunction switch

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M125

14

M179

29

Existed

Multifunction switch

Ground

Continuity

Connector

Terminal

M125

14

Not existed

(+)

(

−

)

Condition

Voltage

(Approx.)

AV control unit

Connector

Terminal

M179

29

Ground

Pressing the eject switch

0 V

Except for above

5.0 V

AV-428

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

MICROPHONE SIGNAL CIRCUIT

MICROPHONE SIGNAL CIRCUIT

Description

INFOID:0000000009721958

Supply power from AV control unit to microphone. The microphone transmits the sound/voice to the AV control
unit.

Diagnosis Procedure

INFOID:0000000009721959

1.

CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND MICROPHONE CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and microphone connector.

3.

Check continuity between AV control unit harness connector and microphone 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 VOLTAGE MICROPHONE VCC 

1.

Connect AV control unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between AV control unit harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace AV control unit. Refer to 

AV-448, "Exploded View"

.

3.

CHECK MICROPHONE SIGNAL 

1.

Connect microphone connector.

2.

Check signal between AV control unit harness connector.

AV control unit

Microphone

Continuity

Connector

Terminals

Connector

Terminals

M180

71

R20

2

Existed

72

4

87

1

AV control unit

Ground

Continuity

Connector

Terminals

M180

72

Not existed

87

(+)

(

−

)

Voltage

(Approx.)

AV control unit

Ground

Connector

Terminal

M180

72

5.0 V

AV

MICROPHONE SIGNAL CIRCUIT

AV-429

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-448, "Exploded View"

.

NO

>> Replace microphone. Refer to 

AV-462, "Exploded View"

.

(+)

(

−

)

Condition

Reference value

AV control unit

AV control unit

Connector

Terminal

Connector

Terminal

M180

87

M180

71

Give a voice.

PKIB5037J