Nissan Titan A60. Manual - part 47

AV

FRONT DOOR SPEAKER

AV-13

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

C

D

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F

G

H

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B

A

O

P

FRONT DOOR SPEAKER

Description

INFOID:0000000006166440

The audio unit sends audio signals to the front door speakers using the front door speaker circuits.

Diagnosis Procedure

INFOID:0000000006166441

Regarding Wiring Diagram information, refer to 

AV-23, "Wiring Diagram"

.

1.

HARNESS CHECK

1. Disconnect audio unit connector M168 and suspect speaker

connector.

2. Check continuity between audio unit harness connector M168

(A) terminal and suspect speaker harness connector (B) termi-

nal.

3. Check continuity between audio unit harness connector M168

(A) terminal and ground.

Are continuity results as specified?

YES

>> GO TO 2.

NO

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

• Repair harness or connector.

2.

FRONT SPEAKER SIGNAL CHECK

A

B

Continuity

Connector

Terminal

Connector

Terminal

M168

2

D12

1

Yes

3

2

11

D112

1

12

2

A

—

Continuity

Connector

Terminal

M168

2

Ground

No

3

11

12

AWNIA0031ZZ

AV-14

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

FRONT DOOR SPEAKER

1. Connect audio unit connector M168 and front speaker connec-

tor.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between audio unit harness connector M168

terminals with CONSULT-III or oscilloscope.

Is the audio signal voltage as specified?

YES

>> Replace speaker. Refer to 

AV-36, "Removal and Instal-

lation"

.

NO

>> Replace audio unit. Refer to 

AV-34, "Removal and

Installation"

.

(+)

(-)

Condition

Reference signal

Con-

nector

Terminal

Terminal

M168

2

3

Receive 
audio sig-
nal

11

12

AWNIA0032ZZ

SKIA0177E

AV

FRONT TWEETER

AV-15

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

C

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FRONT TWEETER

Description

INFOID:0000000006166442

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

Diagnosis Procedure

INFOID:0000000006166443

Regarding Wiring Diagram information, refer to 

AV-23, "Wiring Diagram"

.

1.

HARNESS CHECK

1. Disconnect audio unit connector M168 and suspect front tweeter

connector.

2. Check continuity between audio unit harness connector M168

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

3. Check continuity between audio unit harness connector M168

(A) and ground.

Are the continuity 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

M168

2

M109

1

Yes

3

2

11

M111

1

12

2

A

—

Continuity

Connector

Terminal

M168

2

Ground

No

3

11

12

AWNIA0031ZZ

AV-16

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

FRONT TWEETER

1. Connect audio unit connector M168 and front tweeter connector.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between audio unit harness connector M168

terminals with CONSULT-III or oscilloscope.

Is the audio signal voltage as specified?

YES

>> Replace the suspect front tweeter. Refer to 

AV-35,

"Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-34, "Removal and

Installation"

.

(+)

(-)

Condition

Reference signal

Con-

nector

Terminal

Terminal

M168

2

3

Receive 
audio sig-
nal

11

12

AWNIA0032ZZ

SKIA0177E