Nissan Frontier D40. Manual - part 29

AV-108

< COMPONENT DIAGNOSIS >

[PREMIUM AUDIO (CREW CAB)]

POWER SUPPLY AND GROUND CIRCUIT

COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT

AUDIO UNIT : Diagnosis Procedure

INFOID:0000000005274942

Regarding Wiring Diagram information, refer to 

AV-141, "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 M65. 

2.

Check voltage between the audio unit connector M65 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.

SATELLITE RADIO TUNER

SATELLITE RADIO TUNER : Diagnosis Procedure

INFOID:0000000005274943

Regarding Wiring Diagram information, refer to 

AV-141, "Wiring Diagram"

.

1.

CHECK FUSES

Check that the following fuses of the satellite radio tuner (factory installed) are not blown.

Unit

Terminals

Signal name

Fuse No.

Audio unit

6

Battery power

29

10

Ignition switch ACC or ON

4

(+)

(-)

OFF

ACC

ON

Connector

Terminal

M65

6

Ground

0V

Battery 
voltage

Battery 
voltage

10

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

ALNIA0695GB

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-109

< COMPONENT DIAGNOSIS >

[PREMIUM AUDIO (CREW CAB)]

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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.

Turn ignition switch OFF.

2.

Disconnect satellite radio tuner (factory installed) connector M41. 

3.

Check voltage between the satellite radio tuner (factory installed) and ground.

Are the voltage readings as specified?

YES

>> GO TO 3

NO

>> • Check connector housings for disconnected or loose

terminals.

• Repair harness or connector.

3.

GROUND CIRCUIT CHECK

Inspect satellite radio tuner (factory installed) case ground.

Does case ground pass inspection?

YES

>> Inspection End.

NO

>> Repair satellite radio tuner (factory installed) case ground.

AUDIO AMP

AUDIO AMP : Diagnosis Procedure

INFOID:0000000005274944

Regarding Wiring Diagram information, refer to 

AV-141, "Wiring Diagram"

.

1.

CHECK FUSE

Check that the audio amp. fuses are not blown.

Are the fuses OK?

YES

>> GO TO 2

NO

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

2.

CHECK POWER SUPPLY CIRCUIT

Unit

Terminals

Signal name

Fuse No.

Satellite radio tuner (factory in-
stalled)

32

Battery power

17

36

Ignition switch ACC or ON

4

(+)

(-)

OFF

ACC

ON

Connector

Terminal

M41

32

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

36

0V

Battery 
voltage

Battery 
voltage

WKIA4539E

Unit

Terminal

Signal name

Fuse No.

Audio amp.

1

Battery power

17

17

AV-110

< COMPONENT DIAGNOSIS >

[PREMIUM AUDIO (CREW CAB)]

POWER SUPPLY AND GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect audio amp. connector.

3.

Check voltage between audio amp. harness connector B158
and ground.

Is battery voltage present?

YES

>> GO TO 3

NO

>> Check harness between audio amp. and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect audio amp. connector.

3.

Check continuity between audio amp. harness connector B158
and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

BLUETOOTH CONTROL UNIT

BLUETOOTH CONTROL UNIT : Diagnosis Procedure

INFOID:0000000005274945

Regarding Wiring Diagram information, refer to 

AV-141, "Wiring Diagram"

.

1.

CHECK FUSE

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

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

(+)

(-)

Voltage (approx.)

Connector

Terminal

B158

1

Ground

Battery voltage

17

ALNIA0754GB

(+)

(-)

Continuity

Connector

Terminal

B158

4

Ground

Yes

20

ALNIA0755GB

Unit

Terminal

Signal name

Fuse No. 

Bluetooth control unit

1

Battery power

29

2

Ignition switch ACC or ON

4

3

Ignition switch ON or START

12

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-111

< COMPONENT DIAGNOSIS >

[PREMIUM AUDIO (CREW CAB)]

C

D

E

F

G

H

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J

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L

M

B

A

O

P

Check voltage between Bluetooth control unit harness connector
B141 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 B141 and ground.

Are continuity results as specified?

YES

>> Inspection End.

NO

>> Repair harness or connector.

MICROPHONE

MICROPHONE : Diagnosis Procedure

INFOID:0000000005274946

Regarding Wiring Diagram information, refer to 

AV-141, "Wiring Diagram"

.

1.

CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)

1.

Turn ignition switch ON.

2.

Check voltage between microphone harness connector R8 ter-
minal 4 and ground.

Is approximately 5V present?

YES

>> GO TO 3

NO

>> GO TO 2

2.

CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

(+)

(-)

OFF

ON

ACC

Connector

Terminal

B141

1

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

2

0V

Battery 
voltage

Battery 
voltage

3

0V

Battery 
voltage

0V

ALNIA0323GB

Connector

Terminal

—

Continuity 

B141

4

Ground

Yes

20

22

AWNIA0853ZZ

(+)

(-)

Value (Approx.)

Connector

Terminal

R8

4

Ground

5V

WKIA5796E