Nissan Pathfinder. Manual — part 81

AV

INSTRUMENT PANEL SPEAKER/TWEETER

AV-151

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

INSTRUMENT PANEL SPEAKER/TWEETER

Diagnosis Procedure

INFOID:0000000009174475

Regarding Wiring Diagram information, refer to

AV-88, "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 INSTRUMENT PANEL TWEETER SIGNAL CIRCUIT CONTINUITY

1. Disconnect AV control unit connector M125 and suspect instrument panel tweeter connector.

2. Check continuity between AV control unit connector M125 and suspect instrument panel tweeter connec-

tor.

3. Check continuity between AV control unit connector M125 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 AV control unit connector M125 and suspect instrument panel tweeter connector.

2. Turn ignition switch to ACC.

3. Push AV control unit POWER switch.

4. Check the signal between the terminals of AV control unit connector M125.

AV control unit

Instrument panel tweeter

Continuity

Connector

Terminal

Connector

Terminal

M125

34

M62 (LH)

1

Yes

35

2

43

M73 (RH)

1

44

2

AV control unit

Ground

Continuity

Connector

Terminal

M125

34

—

No

35

43

44

AV control unit connector M125

Condition

Reference value

(+)

(

−)

Terminal

Terminal

AV-152

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

INSTRUMENT PANEL SPEAKER/TWEETER

Is the inspection result normal?

YES

>> Replace instrument panel tweeter. Refer to

AV-193, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to

AV-187, "Removal and Installation"

.

34

35

Audio signal output

43

44

SKIB3609E

AV

REAR DOOR SPEAKER

AV-153

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

REAR DOOR SPEAKER

Diagnosis Procedure

INFOID:0000000009174476

Regarding Wiring Diagram information, refer to

AV-88, "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 M125 and suspect rear door speaker connector.

2. Check continuity between AV control unit connector M125 and suspect rear door speaker connector.

3. Check continuity between AV control unit connector M125 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 M125 and suspect rear door speaker connector.

2. Turn ignition switch to ACC.

3. Push AV control unit POWER switch.

4. Check the signal between the terminals of AV control unit connector M125.

AV control unit

Rear door speaker

Continuity

Connector

Terminal

Connector

Terminal

M125

36

D206 (LH)

1

Yes

37

2

45

D306 (RH)

1

46

2

AV control unit

Ground

Continuity

Connector

Terminal

M125

36

—

No

37

45

46

AV control unit connector M125

Condition

Reference value

(+)

(

−)

Terminal

Terminal

AV-154

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

REAR DOOR SPEAKER

Is the inspection result normal?

YES

>> Replace rear door speaker. Refer to

AV-194, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to

AV-187, "Removal and Installation"

.

36

37

Audio signal output

45

46

SKIB3609E