Nissan Sentra. Manual - part 98

AV-384

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

AMP ON SIGNAL CIRCUIT

AMP ON SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009759056

Regarding Wiring Diagram information, refer to 

AV-331, "Wiring Diagram"

.

1.

CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND BOSE SPEAKER AMP.

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M100 and Bose speaker amp. connector B43.

3. Check continuity between AV control unit connector M100 and Bose speaker amp. connector B43.

4. Check continuity between AV control unit connector M100 and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK AV CONTROL UNIT VOLTAGE

1. Connect AV control unit connector M100.

2. Turn ignition switch ON.

3. Check voltage between AV control unit connector M100 and ground.

Is the inspection result normal?

YES

>> Replace Bose speaker amp. Refer to 

AV-417, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-406, "Removal and Installation"

.

AV control unit

Bose speaker amp.

Continuity

Connector

Terminal

Connector

Terminal

M100

1

B43

18

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M100

1

—

No

AV control unit

Ground

Voltage

(Approx.)

(+)

(–)

Connector

Terminal

M100

1

—

Battery voltage

AV

REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

AV-385

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

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REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009759057

Regarding Wiring Diagram information, refer to 

AV-331, "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 M101 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 M101 and rear view camera connector.

3. Check continuity between AV control unit connector M101 and rear view camera connector B30.

4. Check continuity between AV control unit connector M101 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 M101 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 M101 and ground.

Is inspection result normal?

YES

>> GO TO 4.

NO

>> Replace AV control unit. Refer to 

AV-406, "Removal and Installation"

.

AV control unit

Ground

Condition

Voltage

(Approx.)

(+)

(

−)

Connector

Terminal

M101

28

—

Selector lever in R (re-
verse)

Battery Voltage

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M101

36

B30

4

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M101

36

No

AV control unit

Ground

Condition

Voltage

(Approx.)

(+)

(

−)

Connector

Terminal

M101

36

—

Selector lever is in “R”.

6.0 V

AV-386

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH 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 M101 and rear view camera connector.

3. Check continuity between AV control unit connector M101 and rear view camera connector B30.

4. Check continuity between AV control unit connector M101 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 M101 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 M101 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 M101 and ground.

Is inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-406, "Removal and Installation"

.

NO

>> Replace rear view camera. Refer to 

AV-422, "Removal and Installation"

.

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M101

34

B30

2

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M101

34

No

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M101

33

B30

1

Yes

AV control unit

Ground

Condition

Reference value

(+)

(

−)

Connector

Terminal

M101

34

—

Camera image dis-

played.

SKIB2251J

AV

MICROPHONE SIGNAL CIRCUIT

AV-387

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

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MICROPHONE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009759058

Regarding Wiring Diagram information, refer to 

AV-331, "Wiring Diagram"

.

1.

CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M101 and microphone connector R4.

3. Check continuity between AV control unit connector M101 and microphone connector R4.

4. Check continuity between AV control unit connector M101 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 M101.

2. Turn ignition switch ON.

3. Check voltage between terminals of AV control unit connector M101.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace AV control unit. Refer to 

AV-406, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL 

1. Connect microphone connector.

2. Check signal between terminals of AV control unit connector M101.

AV control unit

Microphone

Continuity

Connector

Terminal

Connector

Terminal

M101

41

R4

2

Yes

42

4

43

1

AV control unit

Ground

Continuity

Connector

Terminal

M101

41

—

No

42

43

AV control unit connector M101

Voltage

(Approx.)

(+)

(

−)

Terminal

Terminal

42

41

5.0 V