Nissan Titan A60. Manual - part 56

 

  Index      Nissan     Nissan Titan A60 (2011 year) - Service and Repair Manual

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  54  55  56  57   ..

 

 

Nissan Titan A60. Manual - part 56

 

 

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-49

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure

INFOID:0000000006166465

Regarding Wiring Diagram information, refer to 

AV-70, "Wiring Diagram"

.

1.

CHECK FUSES

Check that the following fuses of the audio unit are not are not blown.

Are the fuses OK?

YES

>> GO TO 2.

NO

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2.

POWER SUPPLY CIRCUIT CHECK

1. Disconnect audio unit connector M165. 

2. Check voltage between the audio unit connector M165 and

ground.

Are the voltage results as specified?

YES

>> GO TO 3.

NO

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

• Repair harness or connector.

3.

GROUND CIRCUIT CHECK

Inspect audio unit case ground.
Does case ground pass inspection?

YES

>> Inspection End.

NO

>> Repair audio unit case ground.

BLUETOOTH CONTROL UNIT
BLUETOOTH CONTROL UNIT : Diagnosis Procedure

INFOID:0000000006706834

Regarding Wiring Diagram information, refer to 

AV-70, "Wiring Diagram"

.

1.

CHECK FUSE

Check that the following fuses for the Bluetooth control unit are not blown.

Unit

Terminals

Signal name

Fuse No.

Audio unit

6

Battery power

31

10

Ignition switch ACC or ON

4

(+)

(-)

OFF

ACC

ON

Connector

Terminal

M165

6

Ground

0V

Battery 
voltage

Battery 
voltage

10

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

ALNIA0695GB

AV-50

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

POWER SUPPLY AND GROUND CIRCUIT

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse. 

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between Bluetooth control unit harness connector

B142 and ground.

Is battery voltage present as specified?

YES

>> GO TO 3.

NO

>> Check harness between Bluetooth control unit and fuse.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect Bluetooth control unit connector.

3. Check continuity between Bluetooth control unit harness con-

nector B142 and ground.

Are continuity results as specified?

YES

>> Inspection End.

NO

>> Repair harness or connector.

MICROPHONE
MICROPHONE : Diagnosis Procedure

INFOID:0000000006706835

Regarding Wiring Diagram information, refer to 

AV-70, "Wiring Diagram"

.

1.

CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)

1. Turn ignition switch ON.

Unit

Terminal

Signal name

Fuse No. 

Bluetooth control unit

1

Battery power

31

2

Ignition switch ACC or ON

4

3

Ignition switch ON or START

12

Connector

Terminal

Ignition switch position

Value (Approx.)

B142

1

OFF

Battery voltage

2

ACC

3

ON

ALNIA0323GB

Connector

Terminal

Continuity 

B142

4

Ground

Yes

20

23

ALNIA0756GB

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-51

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

2. Check voltage between microphone harness connector R109

terminal 4 and ground.

Is approximately 5V present?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

1. Turn ignition switch OFF.

2. Disconnect microphone and Bluetooth control unit harness con-

nectors.

3. Check continuity between microphone harness connector R109

(A) terminal 4 and Bluetooth control unit harness connector

B142 (B) terminal 29. 

4. Check continuity between microphone harness connector R109

(A) terminal 4 and ground. 

Are the continuity test results as specified?

YES

>> Replace the Bluetooth control unit. Refer to 

AV-95, "Removal and Installation"

.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect microphone harness connector R109 and Bluetooth

control unit harness connector B142.

3. Check continuity between microphone harness connector R109

(A) terminal 2 and Bluetooth control unit harness connector

B142 (B) terminal 8. 

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

(+)

(-)

Value (Approx.)

Connector

Terminal

R109

4

Ground

5V

WKIA5796E

A

B

Continuity

Connector

Terminal

Connector

Terminal

R109

4

B142

29

Yes

A

Continuity

Connector

Terminal

R109

4

Ground

No

ALNIA0320GB

A

B

Continuity

Connector

Terminal

Connector

Terminal

R109

2

B142

8

Yes

ALNIA0322GB

AV-52

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

FRONT DOOR SPEAKER

FRONT DOOR SPEAKER

Description

INFOID:0000000006166466

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

Diagnosis Procedure

INFOID:0000000006166467

Regarding Wiring Diagram information, refer to 

AV-70, "Wiring Diagram"

.

1.

HARNESS CHECK

1. Disconnect audio unit connector M165 and suspect speaker

connector.

2. Check continuity between audio unit harness connector M165

(A) and suspect speaker 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 SPEAKER SIGNAL CHECK

A B

Continuity

Connector

Terminal

Connector

Terminal

M165

1

D12

2

Yes

2

1

3

D112

2

4

1

A

Continuity

Connector

Terminal

M165

1

Ground

No

2

3

4

ALNIA0702GB

 

 

 

 

 

 

 

Content   ..  54  55  56  57   ..