Nissan Qashqai J11. Manual — part 2089

AV

MICROPHONE SIGNAL CIRCUIT

AV-45

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO SYSTEM]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> Replace audio unit. Refer to

AV-53, "Removal and Installation"

.

NO

>> Replace microphone. Refer to

AV-59, "Removal and Installation"

.

Audio unit connector M11 and M12

Condition

Reference value

(+)

(-)

Terminal

Terminal

36

52

Speak into microphone.

PKIB5037J

AV-46

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO SYSTEM]

USB CONNECTOR

USB CONNECTOR

Diagnosis Procedure

INFOID:0000000010502041

Regarding Wiring Diagram information, refer to

AV-23, "Wiring Diagram"

.

1.

CHECK USB INTERFACE HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect audio unit connector M383 and USB interface connector M384.

3.

Check continuity between audio unit connector M383 and USB interface connector M384.

4.

Check continuity between audio unit connector M383 and ground.

Is the inspection result normal?

YES

>> Replace the USB interface. Refer to

AV-58, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

Audio unit

USB interface

Continuity

Connector

Terminal

Connector

Terminal

M383

129

M384

7

Yes

130

5

131

8

132

6

133

9

Audio unit

—

Continuity

Connector

Terminal

M383

129

Ground

No

131

AV

AUXILIARY INPUT JACK

AV-47

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO SYSTEM]

C

D

E

F

G

H

I

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L

M

B

A

O

P

AUXILIARY INPUT JACK

Diagnosis Procedure

INFOID:0000000010502042

Regarding Wiring Diagram information, refer to

AV-23, "Wiring Diagram"

.

1.

CHECK AUX JACK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect audio control unit connector M11 and AUX in jack connector M13.

3.

Check continuity between audio control unit connector M11 and AUX in jack connector M13.

4.

Check continuity between audio control unit connector M88 and ground.

Is the inspection result normal?

YES

>> Replace the AUX in jack. Refer to

AV-58, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

Audio control unit

AUX in jack

Continuity

Connector

Terminal

Connector

Terminal

M11

34

M13

1

Yes

33

4

32

3

Audio control unit

—

Continuity

Connector

Terminal

M11

33

Ground

No

34

AV-48

< SYMPTOM DIAGNOSIS >

[AUDIO SYSTEM]

AUDIO SYSTEM

SYMPTOM DIAGNOSIS

AUDIO SYSTEM

Symptom Table

INFOID:0000000010502043

RELATED TO AUDIO

Symptoms

Check items

Probable malfunction location

The disk cannot be removed.

Audio unit

Malfunction in audio unit.
Refer to

AV-15, "On Board Diagnosis Func-

tion"

.

No sound comes out or the level of the
sound is low.

No sound from all speakers.

• Speaker circuit shorted to ground.

Refer to

AV-23, "Wiring Diagram"

.

• Audio unit power supply and ground cir-

cuits malfunction.
Refer to

AV-37, "AUDIO UNIT : Diagno-

sis Procedure"

.

Only a certain speaker (front tweeter LH,
front tweeter RH, front door speaker LH,
front door speaker RH, rear door speaker
LH, rear door speaker RH) does not output
sound.

• Poor connector connection of speaker.
• Sound signal circuit malfunction between

audio unit and speaker.
Refer to:

-

AV-38, "Diagnosis Procedure"

(front

tweeter).

-

AV-40, "Diagnosis Procedure"

(front door

speaker).

-

AV-42, "Diagnosis Procedure"

(rear door

speaker).

• Malfunction in speaker.

Refer to:

-

AV-55, "Removal and Installation"

(front

tweeter).

-

AV-56, "Removal and Installation"

(front

door speaker).

-

AV-57, "Removal and Installation"

(rear

door speaker).

• Malfunction in audio unit.

Refer to

AV-15, "On Board Diagnosis

Function"

.