Nissan Titan A60. Manual - part 48

AV

REAR DOOR SPEAKER

AV-17

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

C

D

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F

G

H

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B

A

O

P

REAR DOOR SPEAKER

Description

INFOID:0000000006166444

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

Diagnosis Procedure

INFOID:0000000006166445

Regarding Wiring Diagram information, refer to 

AV-23, "Wiring Diagram"

.

1.

HARNESS CHECK

1. Disconnect audio unit connector M168 and suspect rear door

speaker connector.

2. Check continuity between audio unit harness connector M168

(A) and suspect rear door speaker 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.

REAR DOOR SPEAKER SIGNAL CHECK

A B

Continuity

Connector

Terminal

Connector

Terminal

M168

4

D207 (crew cab)

B76 (king cab)

1

Yes

5

2

13

D307 (crew cab)

B159 (king cab)

1

14

2

A

—

Continuity

Connector

Terminal

M168

4

Ground

No

5

13

14

AWNIA0033ZZ

AV-18

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

REAR DOOR SPEAKER

1. Connect audio unit connector and rear door speaker 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 rear door speaker. Refer to 

AV-37,

"Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-34, "Removal and

Installation"

.

(+)

(-)

Condition

Reference signal

Connector

Terminal

Terminal

M168

4

5

Receive 
audio sig-
nal

13

14

AWNIA0034ZZ

SKIA0177E

AV

REAR DOOR TWEETER

AV-19

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

C

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B

A

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REAR DOOR TWEETER

Description

INFOID:0000000006166446

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

Diagnosis Procedure

INFOID:0000000006166447

Regarding Wiring Diagram information, refer to 

AV-23, "Wiring Diagram"

.

1.

HARNESS CHECK

1. Disconnect audio unit connector M168 and suspect rear door

tweeter connector.

2. Check continuity between audio unit harness connector M168

(A) and suspect rear door 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.

REAR DOOR TWEETER SIGNAL CHECK

A B

Continuity

Connector

Terminal

Connector

Terminal

M168

4

D208 

1

Yes

5

2

13

D308

1

14

2

A

—

Continuity

Connector

Terminal

M168

4

Ground

No

5

13

14

AWNIA0033ZZ

AV-20

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

REAR DOOR TWEETER

1. Connect audio unit connector and rear door 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 rear door tweeter. Refer to 

AV-37,

"Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-34, "Removal and

Installation"

.

(+)

(-)

Condition

Reference signal

Connec-

tor

Terminal

Terminal

M168

4

5

Receive 
audio sig-
nal

13

14

AWNIA0034ZZ

SKIA0177E