Nissan Altima L32. Manual - part 81

AV-316

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT (COUPE)

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:0000000004206628

1.

CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA SIDE)

Check voltage between rear view camera harness connector and

ground.

Is voltage reading approximately 6 volts?

YES

>> GO TO 4

NO

>> GO TO 2

2.

CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

1. Turn ignition switch OFF.

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

(+)

(-)

Ignition switch 

position

Value (Approx.)

Connector

Terminal

B31

1

Ground

OFF

Battery voltage

2

ACC

ALLIA0244ZZ

Signal name

Continuity 

Ground

Continuity should exist.

ALLIA0245ZZ

(+)

(-)

Transmission po-

sition

Value (Approx.)

Connector

Terminal

T7

1

Ground

Reverse

6V

ALLIA0243ZZ

AV

POWER SUPPLY AND GROUND CIRCUIT (COUPE)

AV-317

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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3. Check continuity between rear view camera harness connector

T7 (A) terminal 1 and rear view camera control unit harness con-

nector B31 (B) terminal 8. 

4. Check continuity between rear view camera harness connector

T7 (A) terminal 1 and ground. 

Are continuity test results as specified?

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 reading approximately 6 volts?

YES

>> Inspection End.

NO

>> Replace rear view camera control unit. Refer to 

AV-458,

"Removal and Installation - Coupe"

.

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. 

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

BOSE SPEAKER AMP
BOSE SPEAKER AMP : Diagnosis Procedure

INFOID:0000000004206629

1.

CHECK FUSE

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

Are the fuses OK?

Signal name

Continuity

Camera ON signal

Continuity should exist.

Signal name

Continuity

Camera ON signal

Continuity should not exist.

ALLIA0246ZZ

(+)

(-)

Condition

Value (Approx.)

Connector

Terminal

B31

8

Ground

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

AV-318

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT (COUPE)

YES

>> GO TO 2

NO

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

2.

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BOSE speaker amp connector.

3. Check voltage between BOSE speaker amp harness connector

and ground.

Are the voltage readings as specified?

YES

>> GO TO 3

NO

>> Check harness between BOSE speaker amp. and fuse.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BOSE speaker amp connector.

3. Check continuity between BOSE speaker amp harness connec-

tor and ground.

Are continuity test results as specified?

YES

>> Inspection End.

NO

>> Repair harness or connector.

CD CHANGER
CD CHANGER : Diagnosis Procedure

INFOID:0000000004206630

1.

CHECK FUSE

Check that the following fuses of the CD changer 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 CD changer harness connector and ground.

Are the voltage readings as specified?

YES

>> Inspection End.

NO

>> Check harness between CD changer and fuse.

(+)

(-)

Voltage (approx.)

Connector

Terminal

B122

50

Ground

Battery voltage

51

ALNIA0128ZZ

Connector

Terminal

—

Continuity

B122

47

Ground

Yes

52

ALNIA0129ZZ

Unit

Terminals

Signal name

Fuse No.

CD changer

12

Battery power

24

16

Ignition switch ACC or ON

19

(+)

(-)

Ignition switch po-

sition

Value (Approx.)

Connector

Terminal

M42

12

Ground

OFF

Battery voltage

16

ACC

ALLIA0249ZZ

AV

POWER SUPPLY AND GROUND CIRCUIT (COUPE)

AV-319

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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MICROPHONE
MICROPHONE : Diagnosis Procedure

INFOID:0000000004206631

1.

CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)

Check voltage between microphone harness connector and ground.

Is proper voltage present?

YES

>> GO TO 4

NO

>> GO TO 2

2.

CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

1. Turn ignition switch OFF.

2. Disconnect microphone and AV control unit harness connectors.

3. Check continuity between microphone harness connector R7

(A) terminal 4 and AV control unit harness connector M46 (B)

terminal 46. 

4. Check continuity between microphone harness connector R7

(A) terminal 4 and ground. 

Are the continuity test results as specified?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

CHECK POWER SUPPLY CIRCUIT (AV CONTROL UNIT SIDE)

1. Connect AV control unit harness connector.

2. Turn ignition switch to ACC.

3. Check voltage between AV control unit harness connector and

ground.

Is voltage approximately 5 volts?

YES

>> Inspection End.

NO

>> Replace AV control unit. Refer to 

AV-437, "Removal and

Installation"

.

4.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect microphone harness connector R7 and AV control unit harness connector M46.

(+)

(-)

Ignition 

switch posi-

tion

Value (Ap-

prox.)

Connector

Terminal

R7

4

Ground

ON

5V

WKIA5796E

Signal name

Continuity

Microphone VCC signal

Continuity should exist.

Signal name

Continuity

Microphone VCC signal

Continuity should not exist.

ALLIA0250ZZ

(+)

(-)

Ignition switch 

position

Value (Approx.)

Connector

Terminal

M46

46

Ground

ACC

5V

ALLIA0251ZZ