Nissan Titan A60. Manual - part 105

AV

FRONT TWEETER

AV-245

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1. Connect audio unit connector and audio amp. connector.

2. Turn ignition switch ACC.

3. Push “POWER” switch.

4. Check the signal between audio unit harness connector M43

terminals with CONSULT-III or oscilloscope.

Are the audio signal voltage readings as specified?

YES

>> Replace audio amp. Refer to 

AV-335, "Removal and

Installation"

.

NO

>> Replace audio unit. Refer to 

AV-326, "Removal and

Installation"

.

Connector

Terminals

Condition

Reference

signal

(+)

(-)

M43

2

1

Receive au-
dio signal

4

3

AWNIA1615ZZ

SKIA0177E

AV-246

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM WITH NAVIGATION]

CENTER SPEAKER

CENTER SPEAKER

Description

INFOID:0000000006166604

The audio unit sends audio signals to the audio amp. The audio amp. amplifies the audio signals before send-

ing them to the center speaker using the audio signal circuits.

Diagnosis Procedure

INFOID:0000000006166605

Regarding Wiring Diagram information, refer to 

AV-285, "Wiring Diagram - With Navigation System"

.

1.

CENTER SPEAKER HARNESS CHECK

1. Disconnect audio amp. connector M113 and center speaker

connector M110.

2. Check continuity between audio amp. harness connector M113

(A) and center speaker harness connector M110 (B).

3. Check continuity between audio amp. harness connector M113

(A) and ground.

Are continuity test results as specified?

YES

>> GO TO 2.

NO

>> • Check connector housings for disconnected or loose terminals.

• Repair harness or connector.

2.

CENTER SPEAKER SIGNAL CHECK

1. Connect audio amp. connector M113 and center speaker con-

nector M110.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between audio amp. harness connector M113

terminals with CONSULT-III or oscilloscope.

Is the audio signal voltage reading as specified?

A B

Continuity

Connector

Terminal

Connector

Terminal

M113

10

M110

1

Yes

26

2

A 

—

Continuity

Connector

Terminal

M113

10

Ground

No

26

ALNIA0724GB

Connector

Terminals

Condition

Reference

signal

(+)

(-)

M113

10

26

Receive 
audio sig-
nal

ALNIA0725GB

SKIA0177E

AV

CENTER SPEAKER

AV-247

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM WITH NAVIGATION]

C

D

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F

G

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B

A

O

P

YES

>> Replace center speaker. Refer to 

AV-329, "Removal and Installation"

.

NO

>> GO TO 3.

3.

PRE-AMP HARNESS CHECK

1. Disconnect audio unit connector M43 and audio amp. connector

M113.

2. Check continuity between audio unit harness connector M43 (A)

and audio amp. harness connector M113 (B).

3. Check continuity between audio unit harness connector M43 (A)

and ground.

Are continuity test results as specified?

YES

>> GO TO 4.

NO

>> • Check connector housings for disconnected or loose terminals.

• Repair harness or connector.

4.

PRE-AMP SIGNAL CHECK

1. Connect audio unit connector and audio amp. connector.

2. Turn ignition switch ACC.

3. Push “POWER” switch.

4. Check the signal between audio unit harness connector M43

terminals with CONSULT-III or oscilloscope.

Are the audio signal voltage readings as specified?

YES

>> Replace audio amp. Refer to 

AV-335, "Removal and

Installation"

.

NO

>> Replace audio unit. Refer to 

AV-326, "Removal and

Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M43

1

M113

6

Yes

2

22

3

5

4

21

A 

—

Continuity

Connector

Terminal

M43

1

Ground

No

2

3

4

ALNIA0720GB

Connector

Terminals

Condition

Reference

signal

(+)

(-)

M43

2

1

Receive 
audio sig-
nal

4

3

AWNIA1615ZZ

SKIA0177E

AV-248

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM WITH NAVIGATION]

REAR DOOR SPEAKER

REAR DOOR SPEAKER

Description

INFOID:0000000006166606

The audio unit sends audio signals to the audio amp. The audio amp. amplifies the audio signals before send-

ing them to the rear door speakers using the audio signal circuits.

Diagnosis Procedure

INFOID:0000000006166607

Regarding Wiring Diagram information, refer to 

AV-285, "Wiring Diagram - With Navigation System"

.

1.

SPEAKER HARNESS CHECK

1. Disconnect audio amp. connector M113 and suspect speaker

connector.

2. Check continuity between audio amp. harness connector M113

(A) and suspect speaker harness connector (B).

3. Check continuity between audio amp. harness connector M113

(A) and ground.

Are the continuity test results as specified?

YES

>> GO TO 2.

NO

>> • Check connector housings for disconnected or loose terminals.

• Repair harness or connector.

2.

SPEAKER SIGNAL CHECK

A

B

Continuity

Connector

Terminal

Connector

Terminal

M113

11

D207

1

Yes

27

2

12

D307

1

28

2

A

-

Continuity

Connector

Terminal

M113

11

Ground

No

27

12

28

ALNIA0726GB