Nissan Versa Sedan. Manual — part 34

AV-128

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

MICROPHONE SIGNAL CIRCUIT

Were voltage readings as specified?

YES

>> Replace Bluetooth

®

control unit. Refer to

AV-141, "Removal and Installation"

.

NO

>> Replace microphone. Refer to

AV-144, "Removal and Installation"

.

Bluetooth

®

control unit connector B33

Condition

Reference value

(+)

(-)

Terminal

Terminal

7

8

Speak into microphone.

PKIB5037J

AV

STEERING SWITCH

AV-129

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

C

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STEERING SWITCH

Diagnosis Procedure

INFOID:0000000009375234

Regarding Wiring Diagram information, refer to

AV-105, "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-142, "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-130

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

STEERING SWITCH

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-14, "Removal and Installation"

.

4.

CHECK HARNESS BETWEEN BLUETOOTH

®

CONTROL UNIT AND AUDIO UNIT

1. Disconnect audio unit connector M44.
2. Check continuity between Bluetooth

®

control unit connector B33 and audio unit connector M46.

3. Check continuity between Bluetooth

®

control unit connector B33 and ground.

Is the inspection result normal?

YES

>> Replace audio unit. Refer to

AV-137, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

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

M46

6

Yes

18

16

19

15

Bluetooth

®

control unit

Ground

Continuity

Connector

Terminal

B33

17

—

No

18

19

AV

USB CONNECTOR

AV-131

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

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USB CONNECTOR

Diagnosis Procedure

INFOID:0000000009375235

Regarding Wiring Diagram information, refer to

AV-105, "Wiring Diagram"

.

1.

CHECK USB INTERFACE HARNESS CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect audio unit connector M48 and USB interface connector M72.

3. Check continuity between audio unit connector M48 and USB interface connector M72.

4. Check continuity between audio unit connector M48 and ground.

Is the inspection result normal?

YES

>> Replace the USB interface. Refer to

AV-140, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

Audio unit

USB interface

Continuity

Connector

Terminal

Connector

Terminal

M48

53

M72

4

Yes

54

1

55

2

56

3

57

5

Audio unit

—

Continuity

Connector

Terminal

M48

53

Ground

No

55