Nissan Sentra. Manual - part 71

 

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Nissan Sentra. Manual - part 71

 

 

AV-276

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITHOUT BOSE]

REAR SPEAKER

Is the inspection result normal?

YES

>> Replace rear speaker. Refer to 

AV-301, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-298, "Removal and Installation"

.

4

5

Audio signal output

13

14

SKIB3609E

AV

REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

AV-277

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009758978

Regarding Wiring Diagram information, refer to 

AV-234, "Wiring Diagram"

.

1.

CHECK REVERSE INPUT SIGNAL

1. Turn ignition switch ON.

2. Shift the selector lever to R (reverse).

3. Check voltage between AV control unit connector M104 and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK CAMERA POWER SUPPLY CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M104 and rear view camera connector.

3. Check continuity between AV control unit connector M104 and rear view camera connector B30.

4. Check continuity between AV control unit connector M104 and ground.

Is inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK CAMERA POWER SUPPLY VOLTAGE

1. Connect AV control unit connector M104 and rear view camera connector.

2. Turn ignition switch ON.

3. Shift the selector lever to R (reverse).

4. Check voltage between AV control unit connector M104 and ground.

Is inspection result normal?

YES

>> GO TO 4.

NO

>> Replace AV control unit. Refer to 

AV-298, "Removal and Installation"

.

AV control unit

Ground

Condition

Voltage

(Approx.)

(+)

(

−)

Connector

Terminal

M104

28

—

Selector lever in R (re-
verse)

Battery Voltage

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M104

36

B30

4

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M104

36

No

AV control unit

Ground

Condition

Voltage

(Approx.)

(+)

(

−)

Connector

Terminal

M104

36

—

Selector lever is in “R”.

6.0 V

AV-278

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITHOUT BOSE]

REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

4.

CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M104 and rear view camera connector.

3. Check continuity between AV control unit connector M104 and rear view camera connector B30.

4. Check continuity between AV control unit connector M104 terminal 34 and ground.

Is inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness or connectors.

5.

CHECK CAMERA GROUND CIRCUIT CONTINUITY

Check continuity between AV control unit connector M104 and rear view camera connector B30.

Is inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness or connectors.

6.

CHECK CAMERA IMAGE SIGNAL

1. Connect AV control unit connector M104 and rear view camera connector.

2. Turn ignition switch ON.

3. Shift the selector lever to R (reverse).

4. Check signal between AV control unit connector M104 and ground.

Is inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-298, "Removal and Installation"

.

NO

>> Replace rear view camera. Refer to 

AV-312, "Removal and Installation"

.

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M104

34

B30

2

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M104

34

No

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M104

33

B30

1

Yes

AV control unit

Ground

Condition

Reference value

(+)

(

−)

Connector

Terminal

M104

34

—

Camera image dis-

played.

SKIB2251J

AV

MICROPHONE SIGNAL CIRCUIT

AV-279

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

MICROPHONE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009758979

Regarding Wiring Diagram information, refer to 

AV-234, "Wiring Diagram"

.

1.

CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M104 and microphone connector R4.

3. Check continuity between AV control unit connector M104 and microphone connector R4.

4. Check continuity between AV control unit connector M104 and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK MICROPHONE VCC VOLTAGE

1. Connect AV control unit connector M104.

2. Turn ignition switch ON.

3. Check voltage between terminals of AV control unit connector M104.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace AV control unit. Refer to 

AV-298, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL 

1. Connect microphone connector.

2. Check signal between terminals of AV control unit connector M104.

AV control unit

Microphone

Continuity

Connector

Terminal

Connector

Terminal

M104

41

R4

2

Yes

42

4

43

1

AV control unit

Ground

Continuity

Connector

Terminal

M97

41

—

No

42

43

AV control unit connector M104

Voltage

(Approx.)

(+)

(

−)

Terminal

Terminal

42

41

5.0 V

 

 

 

 

 

 

 

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