Nissan Xterra. Manual - part 49

 

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Nissan Xterra. Manual - part 49

 

 

AV-188

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

REAR TWEETER

YES

>> Replace audio amplifier. Refer to 

AV-219, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-218, "Removal and Installation"

.

AV

SUBWOOFER

AV-189

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

SUBWOOFER

Diagnosis Procedure

INFOID:0000000009485307

Regarding Wiring Diagram information, refer to 

AV-135, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the AV control unit, audio amplifier and subwoofer 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 SUBWOOFER SIGNAL CIRCUIT CONTINUITY

1. Disconnect audio amplifier connector B158 and subwoofer connector.

2. Check continuity between audio amplifier connector B158 and subwoofer connector.

3. Check continuity between audio amplifier connector B158 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness or connectors.

3.

CHECK SUBWOOFER SIGNAL

1. Connect audio amplifier connector B158 and subwoofer connector.

2. Turn ignition switch to ACC.

3. Push AV control unit POWER switch.

4. Check signal between the terminals of audio amplifier connector B158.

Audio amplifier

Subwoofer

Continuity

Connector

Terminal

Connector

Terminal

B158

2

B72

1

Yes

18

2

3

3

19

4

Audio amplifier

Ground

Continuity

Connector

Terminal

B158

2

No

18

3

19

Audio amplifier connector B158

Condition

Reference value

(+)

(

−)

Terminal

Terminal

AV-190

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

SUBWOOFER

Is the inspection result normal?

YES

>> Replace subwoofer. Refer to 

AV-224, "Removal and Installation"

.

NO

>> GO TO 4.

4.

CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY

1. Disconnect AV control unit connector M96 and audio amplifier connector B159.

2. Check continuity between AV control unit connector M96 and audio amplifier connector B159.

3. Check continuity between AV control unit connector M96 and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness or connectors.

5.

CHECK PRE-AMP SIGNAL

1. Connect AV control unit connector M96 and audio amplifier connector B159.

2. Turn ignition switch to ACC.

3. Push AV control unit POWER switch.

4. Check signal between the terminals of AV control unit connector M96.

Is the inspection result normal?

2

18

Audio signal output

3

19

SKIA0177E

AV control unit

Audio amplifier

Continuity

Connector

Terminal

Connector

Terminal

M96

4

B159

24

Yes

5

8

13

23

14

7

AV control unit

Ground

Continuity

Connector

Terminal

M96

4

No

5

13

14

AV control unit connector M96

Condition

Reference value

(+)

(

−)

Terminal

Terminal

4

5

Audio signal output

13

14

SKIA0177E

AV

SUBWOOFER

AV-191

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

YES

>> Replace audio amplifier. Refer to 

AV-219, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-218, "Removal and Installation"

.

 

 

 

 

 

 

 

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