Nissan Frontier. Manual - part 80

 

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Nissan Frontier. Manual - part 80

 

 

AV-312

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

FRONT TWEETER

YES

>> Replace audio amplifier. Refer to 

AV-349, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-348, "Removal and Installation"

.

AV

REAR DOOR SPEAKER

AV-313

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

REAR DOOR SPEAKER

Diagnosis Procedure

INFOID:0000000009482235

Regarding Wiring Diagram information, refer to 

AV-264, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the AV control unit, audio amplifier 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 audio amplifier connector B159 and suspect rear door speaker connector.

2. Check continuity between audio amplifier connector B159 and suspect rear door speaker connector.

3. Check continuity between audio amplifier connector B159 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 audio amplifier connector B159 and suspect rear door speaker connector.

2. Turn ignition switch to ACC.

3. Push AV control unit POWER switch.

4. Check signal between the terminals of audio amplifier connector B159.

Audio amplifier

Rear door speaker

Continuity

Connector

Terminal

Connector

Terminal

B159

11

D207 (LH)

1

Yes

27

2

12

D307 (RH)

1

28

2

Audio amplifier

Ground

Continuity

Connector

Terminal

B159

11

No

27

12

28

Audio amplifier connector B159

Condition

Reference value

(+)

(

−)

Terminal

Terminal

AV-314

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

REAR DOOR SPEAKER

Is the inspection result normal?

YES

>> Replace rear door speaker. Refer to 

AV-352, "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?

11

27

Audio signal output

12

28

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

REAR DOOR SPEAKER

AV-315

< 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-349, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-348, "Removal and Installation"

.

 

 

 

 

 

 

 

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