Nissan Versa Note. Manual — part 13

AV-44

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

MICROPHONE SIGNAL CIRCUIT

MICROPHONE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009681850

Regarding Wiring Diagram information, refer to

AV-23, "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-56, "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

AV

MICROPHONE SIGNAL CIRCUIT

AV-45

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Were voltage readings as specified?

YES

>> Replace Bluetooth

®

control unit. Refer to

AV-56, "Removal and Installation"

.

NO

>> Replace microphone. Refer to

AV-59, "Removal and Installation"

.

Bluetooth

®

control unit connector B33

Condition

Reference value

(+)

(-)

Terminal

Terminal

7

8

Speak into microphone.

PKIB5037J

AV-46

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

STEERING SWITCH

STEERING SWITCH

Diagnosis Procedure

INFOID:0000000009681851

Regarding Wiring Diagram information, refer to

AV-23, "Wiring Diagram"

.

1.

CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE

1. Turn ignition switch OFF.

2. Disconnect combination switch connector M88.

3. Check resistance between the terminals of combination switch connector M88.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace steering switches. Refer to

AV-58, "Removal and Installation"

.

2.

CHECK HARNESS BETWEEN BLUETOOTH

®

CONTROL UNIT AND COMBINATION SWITCH

1. Disconnect Bluetooth

®

control unit connector B33 and combination switch connector M30.

2. Check continuity between Bluetooth

®

control unit connector B33 and combination switch connector M30.

3. Check continuity between Bluetooth

®

control unit connector B33 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

Combination switch connector M88

Condition

Resistance

Ω

(Approx.)

Terminal

Terminal

14

17

Depress SOURCE switch.

1

Depress

switch.

121

Depress

switch.

321

Depress

switch.

723

15

Depress

switch.

1

Depress

switch.

121

Depress

switch.

321

Bluetooth

®

control unit

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

B33

12

M30

24

Yes

13

31

14

33

Bluetooth

®

control unit

Ground

Continuity

Connector

Terminal

B33

12

—

No

13

14

AV

STEERING SWITCH

AV-47

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

3.

CHECK COMBINATION SWITCH

Check continuity between combination switch connectors M88 and M30.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace spiral cable. Refer to

SR-15, "Removal and Installation"

.

4.

CHECK HARNESS BETWEEN BLUETOOTH

®

CONTROL UNIT AND AUDIO UNIT

1. Disconnect audio unit connector M43.
2. Check continuity between Bluetooth

®

control unit connector B33 and audio unit connector M43.

3. Check continuity between Bluetooth

®

control unit connector B33 and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness or connectors.

5.

CHECK AUDIO UNIT VOLTAGE

1. Connect Bluetooth

®

control unit connector B33 and audio unit connector M43.

2. Turn ignition switch ON.

3. Check voltage between the terminals of audio unit connector M43.

Is the inspection result normal?

YES

>> Replace Bluetooth

®

control unit. Refer to

AV-56, "Removal and Installation"

.

NO

>> Replace audio unit. Refer to

AV-53, "Removal and Installation"

.

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

M88

14

M30

24

Yes

15

31

17

33

Bluetooth

®

control unit

Audio unit

Continuity

Connector

Terminal

Connector

Terminal

B33

17

M43

6

Yes

18

16

19

15

Bluetooth

®

control unit

Ground

Continuity

Connector

Terminal

B33

17

—

No

18

19

Audio unit connector M43

Voltage

(Approx.)

Terminal

Terminal

6

15

5.0 V

16