Nissan Note E12. Manual - part 22

AV-80

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

BLUETOOTH® CONTROL SIGNAL CIRCUIT

BLUETOOTH® CONTROL SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009460165

Regarding Wiring Diagram information, refer to 

AV-59, "Wiring Diagram"

.

1.

CHECK CONTROL SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.
2. Disconnect Bluetooth

®

 control unit connector B33.

3. Check continuity between Bluetooth

®

 control unit connector B33 and ground.

Is the inspection result normal?

YES

>> Replace Bluetooth

®

 control unit. Refer to 

AV-98, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

Bluetooth

®

 control unit

Ground

Continuity

Connector

Terminals

B33

20

—

Yes

22

23

24

27

AV

REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

AV-81

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

C

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REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009592936

Regarding Wiring Diagram information, refer to 

AV-59, "Wiring Diagram"

.

1.

CHECK REVERSE INPUT SIGNAL

1. Turn ignition switch ON.

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

3. Check voltage between audio unit connector M40 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 audio unit connector M40 and rear view camera connector.

3. Check continuity between audio unit connector M40 and rear view camera connector D501.

4. Check continuity between audio unit connector M40 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 audio unit connector M40 and rear view camera connector.

2. Turn ignition switch ON.

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

4. Check voltage between audio unit connector M40 and ground.

Is inspection result normal?

YES

>> GO TO 4.

NO

>> Replace audio unit. Refer to 

AV-93, "Removal and Installation"

.

Audio unit

Ground

Condition

Voltage

(Approx.)

(+)

(

−)

Connector

Terminal

M40

50

—

Selector lever in R (re-
verse)

Battery Voltage

Audio unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M40

34

D501

2

Yes

Audio unit

Ground

Continuity

Connector

Terminal

M40

34

No

Audio unit

Ground

Condition

Voltage

(Approx.)

(+)

(

−)

Connector

Terminal

M40

34

—

Selector lever is in “R”.

6.0 V

AV-82

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT

4.

CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect audio unit connector M40 and rear view camera connector.

3. Check continuity between audio unit connector M40 and rear view camera connector D501.

4. Check continuity between audio unit connector M40 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 audio unit connector M40 and rear view camera connector D501.

Is inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness or connectors.

6.

CHECK CAMERA IMAGE SIGNAL

1. Connect audio unit connector M40 and rear view camera connector.

2. Turn ignition switch ON.

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

4. Check signal between audio unit connector M40 and ground.

Is inspection result normal?

YES

>> Replace audio unit. Refer to 

AV-93, "Removal and Installation"

.

NO

>> Replace rear view camera. Refer to 

AV-97, "Removal and Installation"

.

Audio unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M40

35

D501

4

Yes

Audio unit

Ground

Continuity

Connector

Terminal

M40

35

No

Audio unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M40

33

D501

1

Yes

Audio unit

Ground

Condition

Reference value

(+)

(

−)

Connector

Terminal

M40

35

—

Camera image dis-

played.

SKIB2251J

AV

MICROPHONE SIGNAL CIRCUIT

AV-83

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

C

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A

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P

MICROPHONE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009460166

Regarding Wiring Diagram information, refer to 

AV-59, "Wiring Diagram"

.

1.

CHECK HARNESS BETWEEN BLUETOOTH

®

 CONTROL UNIT AND MICROPHONE

1. Turn ignition switch OFF.
2. Disconnect Bluetooth

®

 control unit connector B33 and microphone connector R15.

3. Check continuity between Bluetooth

®

 control unit connector B33 and microphone connector R15.

4. Check continuity between Bluetooth

®

 control unit connector B33 and ground.

Are continuity results as specified?

YES

>> GO TO 2.

NO

>> Repair harness or connectors.

2.

CHECK MICROPHONE POWER SUPPLY

1. Connect Bluetooth

®

 control unit connector B33 and microphone connector R15.

2. Turn ignition switch ON.

3. Check voltage between microphone connector R15 and ground.

Is the voltage reading as specified?

YES

>> GO TO 3.

NO

>> Replace Bluetooth

®

 control unit. Refer to 

AV-98, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL

Check signal between terminals of Bluetooth

®

 control unit connector B33.

Bluetooth

®

 control unit

Microphone

Continuity

Connector

Terminal

Connector

Terminal

B33

7

R15

1

Yes

8

2

29

4

Bluetooth

®

 control unit

Ground

Continuity

Connector

Terminal

B33

7

—

No

29

Microphone

Ground

Voltage

(Approx.)

(+)

(-)

Connector

Terminal

R15

4

—

5V