Nissan Xterra. Manual - part 25

AV-92

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

FRONT TWEETER

Is the inspection result normal?

YES

>> Replace front tweeter. Refer to 

AV-109, "Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-108, "Removal and Installation"

.

2

3

Audio signal output

11

12

SKIB3609E

AV

REAR DOOR SPEAKER

AV-93

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

REAR DOOR SPEAKER

Diagnosis Procedure

INFOID:0000000009485188

Regarding Wiring Diagram information, refer to 

AV-71, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the audio unit and speaker connectors for the following:

•  Proper connection

•  Damage

•  Disconnected or loose terminals
Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair the terminals or connectors.

2.

CHECK FRONT DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY

1. Disconnect audio unit connector M44 and suspect rear door speaker connector.

2. Check continuity between audio unit connector M44 and suspect rear door speaker connector.

3. Check continuity between audio unit connector M44 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness or connectors.

3.

CHECK FRONT DOOR SPEAKER SIGNAL

1. Connect audio unit connector M44 and suspect rear door speaker connector.

2. Turn ignition switch to ACC.

3. Push audio unit POWER switch.

4. Check signal between the terminals of audio unit connector M44.

Audio unit

Rear door speaker

Continuity

Connector

Terminal

Connector

Terminal

M44

4

D207 (LH) 

1

Yes

5

2

13

D307 (RH) 

1

14

2

Audio unit

Ground

Continuity

Connector

Terminal

M44

4

—

No

5

13

14

Audio unit connector M44

Condition

Reference value

(+)

(

−)

Terminal

Terminal

AV-94

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

REAR DOOR SPEAKER

Is the inspection result normal?

YES

>> Replace rear door speaker. Refer to 

AV-111, "Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-108, "Removal and Installation"

.

4

5

Audio signal output

13

14

SKIB3609E

AV

STEERING SWITCH

AV-95

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO]

C

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STEERING SWITCH

Diagnosis Procedure

INFOID:0000000009485189

Regarding Wiring Diagram information, refer to 

AV-71, "Wiring Diagram"

.

1.

CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE

1. Disconnect combination switch connector M102.

2. Check resistance between combination switch connector terminals.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace steering wheel audio control switches. Refer to 

AV-112, "Removal and Installation"

.

2.

CHECK HARNESS BETWEEN BLUETOOTH

®

 CONTROL UNIT AND COMBINATION SWITCH

1. Turn ignition switch OFF.
2. Disconnect Bluetooth

®

 control unit connector B141 and combination switch connector M30.

3. Check continuity between Bluetooth

®

 control unit connector B141 and combination switch connector M30.

4. Check continuity between Bluetooth

®

 control unit connector B141 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

SPIRAL CABLE CHECK

Check continuity between combination switch connectors M30 and M102.

Combination switch connector M102

Condition

Resistance (

Ω)

(Approx.)

Terminal

Terminal

16

18

Depress VOL DOWN switch.

1

Depress VOL UP switch.

121

Depress  

switch.

321

15

Depress MODE switch.

1

Depress  

switch.

121

Depress  

switch.

321

Depress  

switch.

723

Bluetooth

®

 control unit

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

B141

12

M30

24

Yes

13

25

14

31

Bluetooth

®

 control unit

—

Continuity

Connector

Terminal

B141

12

Ground

No

13

14