Nissan Xterra. Manual - part 51

AV-196

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

STEERING SWITCH

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-218, "Removal and Installation"

.

NO

>> Replace spiral cable. Refer to 

SR-13, "Removal and Installation"

.

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

M30

24

M102

15

Yes

25

16

31

18

AV

MICROPHONE SIGNAL CIRCUIT

AV-197

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

MICROPHONE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009485311

Regarding Wiring Diagram information, refer to 

AV-135, "Wiring Diagram"

.

1.

CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M97 and microphone connector R8.

3. Check continuity between AV control unit connector M97 and microphone connector R8.

4. Check continuity between AV control unit connector M97 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 M97.

2. Turn ignition switch ON.

3. Check voltage between terminals of AV control unit connector M97.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace AV control unit. Refer to 

AV-218, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL 

1. Connect microphone connector.

2. Check signal between terminals of AV control unit connector M97.

AV control unit

Microphone

Continuity

Connector

Terminal

Connector

Terminal

M97

41

R8

2

Yes

42

4

43

1

AV control unit

Ground

Continuity

Connector

Terminal

M97

41

—

No

42

43

AV control unit connector M97

Voltage

(Approx.)

(+)

(

−)

Terminal

Terminal

42

41

5.0 V

AV-198

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

MICROPHONE SIGNAL CIRCUIT

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-218, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-226, "Removal and Installation"

.

AV control unit connector M97

Condition

Reference value

(+)

(

−)

Terminal

Terminal

43

41

Speak into microphone.

SKIB3609E

AV

USB CONNECTOR

AV-199

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION]

C

D

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USB CONNECTOR

Diagnosis Procedure

INFOID:0000000009485312

Regarding Wiring Diagram information, refer to 

AV-135, "Wiring Diagram"

.

1.

CHECK USB INTERFACE HARNESS CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M98 and USB interface connector M214.

3. Check continuity between AV control unit connector M98 and USB interface connector M214.

4. Check continuity between AV control unit connector M98 and ground.

Is the inspection result normal?

YES

>> Replace the USB interface. Refer to 

AV-232, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

AV control unit

USB interface 

Continuity

Connector

Terminal

Connector

Terminal

M98

45

M214

4

Yes

46

1

47

2

48

3

49

5

AV control unit

—

Continuity

Connector

Terminal

M98

45

Ground

No

47