Nissan Altima L32. Manual - part 82

AV-320

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT (COUPE)

3. Check continuity between microphone harness connector R7

(A) terminal 2 and AV control unit harness connector M46 (B)

terminal 47. 

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

Signal name

Continuity

Ground

Continuity should exist.

ALLIA0252ZZ

AV

POWER SUPPLY AND GROUND CIRCUIT (SEDAN)

AV-321

< COMPONENT DIAGNOSIS >

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POWER SUPPLY AND GROUND CIRCUIT (SEDAN)

AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure

INFOID:0000000004206632

1.

CHECK FUSE

Check that the following fuses of the AV control unit 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

Check voltage between AV control unit harness connector and

ground.

Are the voltage tests as specified?

YES

>> GO TO 3

NO

>> Check harness between AV control unit and fuse.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect AV control unit connectors.

3. Check continuity between AV control unit harness connector

M47 terminal 19 and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

REAR VIEW CAMERA CONTROL UNIT
REAR VIEW CAMERA CONTROL UNIT : Diagnosis Procedure

INFOID:0000000004206633

1.

CHECK FUSE

Check that the following fuses of the rear view camera control unit are not blown.

Unit

Terminals

Signal name

Fuse No.

AV control unit

20

Battery power

24

7

Ignition switch ACC or ON

19

10

Ignition switch ON or START

3

(+)

(-)

Ignition switch po-

sition

Value (Ap-

prox.)

Connector

Terminal

M47

20

Ground

OFF

Battery volt-

age

7

ACC

10

ON

ALLIA0241ZZ

Signal name

Continuity 

Ground

Continuity should exist.

ALLIA0242ZZ

Unit

Terminals

Signal name

Fuse No.

Rear view camera control unit

1

Battery power

24

2

Ignition switch ACC or ON

19

AV-322

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POWER SUPPLY AND GROUND CIRCUIT (SEDAN)

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

Check voltage between rear view camera control unit harness con-

nector and ground.

Are the voltage readings as specified?

YES

>> GO TO 3

NO

>> Check harness between rear view camera control unit

and fuse.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect rear view camera control unit connector.

3. Check continuity between rear view camera control unit harness

connector B31 terminal 3 and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

REAR VIEW CAMERA
REAR VIEW CAMERA : Diagnosis Procedure

INFOID:0000000004206634

1.

CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA SIDE)

Check voltage between rear view camera harness connector and

ground.

Is inspection result normal?

YES

>> GO TO 4

NO

>> GO TO 2

2.

CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

(+)

(-)

Ignition switch 

position

Value (Approx.)

Connector

Terminal

B31

1

Ground

OFF

Battery voltage

2

ACC

ALLIA0244ZZ

Signal name

Continuity 

Ground

Continuity should exist.

ALLIA0245ZZ

Connector

Terminal

Transmission posi-

tion

Value (Approx.)

B35

1

Reverse

6V

ALLIA0243ZZ

AV

POWER SUPPLY AND GROUND CIRCUIT (SEDAN)

AV-323

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1. Turn ignition switch OFF.

2. Disconnect rear view camera and rear view camera control unit

connectors.

3. Check continuity between rear view camera harness connector

B35 (A) terminal 1 and rear view camera control unit harness

connector B31 (B) terminal 8. 

4. Check continuity between rear view camera harness connector

B35 (A) terminal 1 and ground. 

Is inspection result normal?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

CHECK POWER SUPPLY CIRCUIT (CAMERA CONTROL UNIT SIDE)

1. Connect rear view camera control unit harness connector.

2. Turn ignition switch ON.

3. Check voltage between rear view camera control unit harness

connector and ground.

Is voltage approximately 6V?

YES

>> Inspection End.

NO

>> Replace rear view camera control unit. Refer to 

AV-458,

"Removal and Installation - Sedan"

.

4.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect rear view camera harness connector.

3. Check continuity between rear view camera harness connector

B35 terminal 2 and ground. 

Is inspection result normal?

YES

>> Inspection End.

NO

>> Repair harness or connector.

BOSE SPEAKER AMP
BOSE SPEAKER AMP : Diagnosis Procedure

INFOID:0000000004206635

1.

CHECK FUSE

Check that the following fuses of the BOSE speaker amp. are not blown.

Signal name

Continuity

Camera ON signal

Continuity should exist.

Signal name

Continuity

Camera ON signal

Continuity should not exist.

ALLIA0246ZZ

Connector

Terminal

Transmission posi-

tion

Value (Approx.)

B31

8

Reverse

6V

ALLIA0247ZZ

Signal name

Continuity

Ground

Continuity should exist.

ALLIA0248ZZ

Unit

Terminals

Signal name

Fuse No.

BOSE speaker amp.

50

Battery power

25

51

26