Nissan Pathfinder. Instruction - part 52

AV

FRONT DOOR SPEAKER

AV-35

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

FRONT DOOR SPEAKER

Diagnosis Procedure

INFOID:0000000009174390

Regarding Wiring Diagram information, refer to 

AV-21, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the audio 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 FRONT DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY

1. Disconnect audio unit connector M123 and suspect front door speaker connector.

2. Check continuity between audio unit connector M123 and suspect front door speaker connector.

3. Check continuity between audio unit connector M123 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness or connectors.

3.

CHECK FRONT DOOR SPEAKER SIGNAL

1. Connect audio unit connector M123 and suspect front door speaker connector.

2. Turn ignition switch to ACC.

3. Push audio unit POWER switch.

4. Check the signal between the terminals of audio unit connector M123.

Audio unit

Front door speaker

Continuity

Connector

Terminal

Connector

Terminal

M123

2

D12 (LH)

1

Yes

3

2

11

D112 (RH)

1

12

2

Audio unit

Ground

Continuity

Connector

Terminal

M123

2

—

No

3

11

12

Audio unit connector M123

Condition

Reference value

(+)

(

−)

Terminal

Terminal

AV-36

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

FRONT DOOR SPEAKER

Is the inspection result normal?

YES

>> Replace front door speaker. Refer to 

AV-50, "Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-46, "Removal and Installation"

.

2

3

Audio signal output

11

12

SKIB3609E

AV

INSTRUMENT PANEL SPEAKER/TWEETER

AV-37

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

INSTRUMENT PANEL SPEAKER/TWEETER

Diagnosis Procedure

INFOID:0000000009174391

Regarding Wiring Diagram information, refer to 

AV-21, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the audio 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 INSTRUMENT PANEL TWEETER SIGNAL CIRCUIT CONTINUITY

1. Disconnect audio unit connector M123 and suspect instrument panel tweeter connector.

2. Check continuity between audio unit connector M123 and suspect instrument panel tweeter connector.

3. Check continuity between audio unit connector M123 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness or connectors.

3.

CHECK INSTRUMENT PANEL TWEETER SIGNAL

1. Connect audio unit connector M123 and suspect instrument panel tweeter connector.

2. Turn ignition switch to ACC.

3. Push audio unit POWER switch.

4. Check the signal between the terminals of audio unit connector M123.

Audio unit

Instrument panel tweeter

Continuity

Connector

Terminal

Connector

Terminal

M123

2

M62 (LH)

1

Yes

3

2

11

M73 (RH)

1

12

2

Audio unit

Ground

Continuity

Connector

Terminal

M123

2

—

No

3

11

12

Audio unit connector M123

Condition

Reference value

(+)

(

−)

Terminal

Terminal

AV-38

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

INSTRUMENT PANEL SPEAKER/TWEETER

Is the inspection result normal?

YES

>> Replace instrument panel tweeter. Refer to 

AV-51, "Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-46, "Removal and Installation"

.

2

3

Audio signal output

11

12

SKIB3609E