Nissan Qashqai J11. Manual - part 2137

AV

REAR DOOR SPEAKER

AV-237

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

C

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REAR DOOR SPEAKER

Diagnosis Procedure

INFOID:0000000010435732

Regarding Wiring Diagram information, refer to 

AV-159, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the AV control unit and speaker connectors for the following:
•  Proper connection
•  Damage
•  Disconnected or loose terminals
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminals or connectors.

2.

CHECK REAR DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY

1.

Disconnect AV control unit connector M48 and suspect rear door speaker connector.

2.

Check continuity between AV control unit connector M48 and suspect rear door speaker connector.

3.

Check continuity between AV control unit connector M48 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK REAR DOOR SPEAKER SIGNAL

1.

Connect AV control unit connector M48 and suspect rear door speaker connector.

2.

Turn ignition switch to ON.

3.

Push AV control unit POWER switch.

4.

Check signal between the terminals of AV control unit connector M48.

AV control unit

Rear door speaker

Continuity

Connector

Terminal

Connector

Terminal

M48

4

D55 (LH)

1

Yes

5

2

13

D69 (RH)

1

14

2

AV control unit

Ground

Continuity

Connector

Terminal

M48

4

—

No

5

13

14

AV control unit connector M48

Condition

Reference value

(+)

(

−

)

Terminal

Terminal

AV-238

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

REAR DOOR SPEAKER

Is the inspection result normal?

YES

>> Replace rear door speaker. Refer to 

AV-264, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-259, "Removal and Installation"

.

4

5

Audio signal output

13

14

SKIB3609E

AV

MICROPHONE SIGNAL CIRCUIT

AV-239

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

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MICROPHONE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000010435733

Regarding Wiring Diagram information, refer to 

AV-159, "Wiring Diagram"

.

1.

CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector M49 and microphone connector R20.

3.

Check continuity between AV control unit connector M49 and microphone connector R20.

4.

Check continuity between AV control unit connector M49 and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connectors.

2.

CHECK MICROPHONE POWER SUPPLY

1.

Connect AV control unit connector M49 and microphone connector R20.

2.

Turn ignition switch ON.

3.

Check voltage between microphone connector R20 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace AV control unit. Refer to 

AV-259, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL

Check signal between terminals of AV control unit connector M49.

AV control unit

Microphone

Continuity

Connector

Terminal

Connector

Terminal

M49

34

R20

2

Yes

35

3

36

1

AV control unit

Ground

Continuity

Connector

Terminal

M49

34

—

No

35

Microphone

Ground

Voltage

(Approx.)

(+)

(-)

Connector

Terminal

R20

3

—

5V

AV-240

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

MICROPHONE SIGNAL CIRCUIT

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-259, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-266, "Removal and Installation"

.

AV control unit connector M102

Condition

Reference value

(+)

(-)

Terminal

Terminal

34

36

Speak into microphone.

PKIB5037J