Nissan Titan A60. Manual - part 57

AV

FRONT DOOR SPEAKER

AV-53

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1. Connect audio unit connector M165 and suspect speaker con-

nector.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between audio unit harness connector M165

terminals with CONSULT-III or oscilloscope.

Is audio signal voltage as specified?

YES

>> Replace suspect speaker. Refer to 

AV-88, "Removal

and Installation"

.

NO

>> Replace the audio unit. Refer to 

AV-86, "Removal and

Installation"

.

Connec-

tor

Terminal

Condition

Reference

signal

(+)

(-)

M165

2

1

Receive 
audio sig-
nal

4

3

AWNIA1615ZZ

SKIA0177E

AV-54

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

FRONT TWEETER

FRONT TWEETER

Description

INFOID:0000000006166468

The audio unit sends audio signals to the front tweeters using the audio signal circuits.

Diagnosis Procedure

INFOID:0000000006166469

Regarding Wiring Diagram information, refer to 

AV-70, "Wiring Diagram"

.

1.

HARNESS CHECK

1. Disconnect audio unit connector M165 and suspect tweeter con-

nector.

2. Check continuity between audio unit harness connector M165

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

3. Check continuity between audio unit harness connector M165

(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.

FRONT TWEETER SIGNAL CHECK

A B

Continuity

Connector

Terminal

Connector

Terminal

M165

1

M109

2

Yes

2

1

3

M111

2

4

1

A

—

Continuity

Connector

Terminal

M165

1

Ground

No

2

3

4

ALNIA0702GB

AV

FRONT TWEETER

AV-55

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1. Connect audio unit connector M165 and suspect tweeter con-

nector.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between audio unit harness connector M165

terminals with CONSULT-III or oscilloscope.

Is audio signal voltage as specified?

YES

>> Replace suspect tweeter. Refer to 

AV-87, "Removal and

Installation"

.

NO

>> Replace the audio unit. Refer to 

AV-86, "Removal and

Installation"

.

Connec-

tor

Terminal

Condition

Reference

signal

(+)

(-)

M165

2

1

Receive 
audio sig-
nal

4

3

AWNIA1615ZZ

SKIA0177E

AV-56

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

REAR DOOR SPEAKER

REAR DOOR SPEAKER

Description

INFOID:0000000006166470

The audio unit sends audio signals to the rear door speakers using the audio signal circuits.

Diagnosis Procedure

INFOID:0000000006166471

Regarding Wiring Diagram information, refer to 

AV-70, "Wiring Diagram"

.

1.

HARNESS CHECK

1. Disconnect audio unit connector M166 and suspect speaker

connector.

2. Check continuity between audio unit harness connectors M166

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

3. Check continuity between audio unit harness connectors M166

(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.

REAR DOOR SPEAKER SIGNAL CHECK

A

B

Continuity

Connector

Terminal

Connector

Terminal

M166

13

D207 (crew cab)

B76 (king cab)

2

Yes

14

1

15

D307 (crew cab)

B159 (king cab)

2

16

1

Connector

Terminal

-

Continuity

M166

13

Ground

No

14

15

16

ALNIA0704GB