Nissan Titan A60. Manual - part 107

AV

REAR DOOR TWEETER

AV-253

< 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 M44 and audio amp. connector

M113.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between audio unit harness connector M44

terminals with CONSULT-III or oscilloscope.

Is the audio signal voltage reading 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

(+)

(-)

M44

14

13

Receive 
audio sig-
nal

16

15

AWNIA1616ZZ

SKIA0177E

AV-254

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM WITH NAVIGATION]

SUBWOOFER

SUBWOOFER

Description

INFOID:0000000006166610

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

ing them to the subwoofer using the audio signal circuits.

Diagnosis Procedure

INFOID:0000000006166611

Regarding Wiring Diagram information, refer to 

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

.

1.

SUBWOOFER HARNESS CHECK

1. Disconnect audio amp. connector M112 and subwoofer connec-

tor B72.

2. Check continuity between audio amp. harness connector M112

(A) and subwoofer harness connector B72 (B).

3. Check continuity between audio amp. harness connector M112 (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.

SUBWOOFER SIGNAL CHECK

A

B

Continuity

Connector

Terminal

Connector

Terminal

M112

2

B72

1

Yes

3

3

18

2

19

4

A

—

Continuity

Connector

Terminal

M112

2

Ground

No

3

18

19

AWNIA1313ZZ

AV

SUBWOOFER

AV-255

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1. Connect audio amp. connector M112 and subwoofer connector

B72.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between audio amp. harness connector M112

terminals with CONSULT-III or oscilloscope.

Is the audio signal voltage as specified?

YES

>> Replace subwoofer. Refer to 

AV-332, "Removal and

Installation"

.

NO

>> GO TO 3.

3.

PRE-AMP HARNESS CHECK

1. Disconnect audio unit connector M44 and audio amp. connector

M113.

2. Check continuity between audio unit harness connector M44 (A)

and audio amp. harness connector M113 (B).

3. Check continuity between audio unit harness connector M44 (A)

and ground.

Are the 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

Connector

Terminals

Condition

Reference

signal

(+)

(-)

M112

2

18

Receive au-

dio signal

3

19

ALNIA0732GB

SKIA0177E

A

B 

Continuity

Connector

Terminal

Connector

Terminal

M44

13

M113

8

Yes

14

24

15

7

16

23

A

—

Continuity

Connector

Terminal

M44

13

Ground

No

14

15

16

ALNIA0729GB

AV-256

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM WITH NAVIGATION]

SUBWOOFER

1. Connect audio unit connector M44 and audio amp. connector

M113.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between audio unit harness connector M44

terminals with CONSULT-III or oscilloscope.

Is the audio signal voltage reading 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

(+)

(-)

M44

14

13

Receive 
audio sig-
nal

16

15

AWNIA1616ZZ

SKIA0177E