Nissan Juke F15. Manual - part 12

AV-34

< BASIC INSPECTION >

[DISPLAY AUDIO]

DIAGNOSIS AND REPAIR WORKFLOW

Is malfunctioning part detected?

YES

>> GO TO 4.

NO

>> GO TO 2.

4.

REPAIR OR REPLACE THE MALFUNCTIONING PART

1. Repair or replace the malfunctioning part.

2. Reconnect parts or connectors disconnected during Diagnostic Procedure.

>> GO TO 5.

5.

FINAL CHECK

Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.
Has the symptom been repaired?

YES

>> INSPECTION END

NO

>> GO TO 2.

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-35

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

C

D

E

F

G

H

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B

A

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DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure

INFOID:0000000012202461

1.

CHECK FUSE

Check that the following fuses are not blown.

Are the fuses blown?

YES

>> Replace the blown fuse after repairing the affected circuit.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between audio unit connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect audio unit connector .

3. Check continuity between audio unit connectors and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace harness or connectors.

Signal name

Fuse No.

Battery power supply

34

ACC power supply

19

Audio unit

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

M129

7

Ignition switch: ON

Battery voltage

19

Ignition switch: OFF

Audio unit

Ground

Continuity

Connector

Terminal

M129

20

Existed

AV-36

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

MICROPHONE SIGNAL CIRCUIT

MICROPHONE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000012202462

1.

CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect audio unit connector and microphone connector .

3. Check continuity between audio unit connector and microphone connector .

4. Check continuity between audio unit connector and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK MICROPHONE VCC VOLTAGE

1. Connect audio unit connector .

2. Turn ignition switch ON.

3. Check voltage between terminals of audio unit connector .

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace audio unit. Refer to 

AV-50, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL 

1. Connect microphone connector.

2. Check signal between terminals of audio unit connector .

Audio unit

Microphone

Continuity

Connector

Terminal

Connector

Terminal

M130

37

R2

1

Existed

38

4

39

2

Audio unit

Ground

Continuity

Connector

Terminal

M130

37

Not existed

38

(+)

(

−)

Voltage

(Approx.)

Audio unit

Connector

Terminal

M130

38

Ground

5.0 V

AV

MICROPHONE SIGNAL CIRCUIT

AV-37

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

C

D

E

F

G

H

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J

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M

B

A

O

P

Is the inspection result normal?

YES

>> Replace audio unit. Refer to 

AV-50, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-54, "Removal and Installation"

.

(+)

(

−)

Condition

Reference value

Audio unit

Connector

Terminal

M130

37

Ground

While speaking into 

microphone.

PKIB5037J