Nissan Xterra. Manual - part 52

AV-200

< DTC/CIRCUIT DIAGNOSIS >

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AUXILIARY INPUT JACK

AUXILIARY INPUT JACK

Diagnosis Procedure

INFOID:0000000009485313

Regarding Wiring Diagram information, refer to 

AV-135, "Wiring Diagram"

.

1.

CHECK AUX JACK HARNESS CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M97 and AUX jack connector M215.

3. Check continuity between AV control unit connector M97 and AUX jack connector M215.

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

Is the inspection result normal?

YES

>> Replace the AUX jack. Refer to 

AV-229, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

AV control unit

AUX jack

Continuity

Connector

Terminal

Connector

Terminal

M97

30

M215

4

Yes

31

2

32

1

AV control unit

—

Continuity

Connector

Terminal

M97

30

Ground

No

32

AV

MULTI AV SYSTEM

AV-201

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SYMPTOM DIAGNOSIS

MULTI AV SYSTEM

Symptom Table

INFOID:0000000009485314

RELATED TO AUDIO

Symptoms

Check items

Probable malfunction location

The disk cannot be removed.

AV control unit

Malfunction in AV control unit.
Refer to 

AV-126, "On Board Diagnosis 

Function"

.

AV-202

< SYMPTOM DIAGNOSIS >

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MULTI AV SYSTEM

No sound comes out or the level of the 
sound is low.

No sound from all speakers.

• Speaker circuit shorted to ground.

Refer to 

AV-135, "Wiring Diagram"

.

• Amp. ON signal circuit malfunction.

Refer to 

AV-192, "Diagnosis Procedure"

.

• Audio amplifier power supply and ground 

circuits malfunction.
Refer to 

AV-175, "AUDIO AMP. : Diagno-

sis Procedure"

.

Only a certain speaker (front door speaker 
LH, front door speaker RH, front tweeter 
LH, front tweeter RH, rear door speaker LH, 
rear door speaker RH, rear tweeter LH, rear 
tweeter RH, subwoofer) does not output 
sound.

• Poor connector connection of speaker.
• Sound signal circuit malfunction between 

AV control unit and audio amplifier.
Refer to:

-

AV-177, "Diagnosis Procedure"

 (front 

door speaker).

-

AV-180, "Diagnosis Procedure"

 (front 

tweeter).

-

AV-183, "Diagnosis Procedure"

 (rear 

door speaker).

-

AV-186, "Diagnosis Procedure"

 (rear 

tweeter).

-

AV-189, "Diagnosis Procedure"

 (sub-

woofer).

• Sound signal circuit malfunction between 

audio amplifier and speaker.
Refer to:

-

AV-177, "Diagnosis Procedure"

 (front 

door speaker).

-

AV-180, "Diagnosis Procedure"

 (front 

tweeter).

-

AV-183, "Diagnosis Procedure"

 (rear 

door speaker).

-

AV-186, "Diagnosis Procedure"

 (rear 

tweeter).

-

AV-189, "Diagnosis Procedure"

 (sub-

woofer).

• Malfunction in speaker.

Refer to:

-

AV-221, "Removal and Installation"

 (front 

door speaker).

-

AV-220, "Removal and Installation"

 (front 

tweeter).

-

AV-222, "Removal and Installation"

 (rear 

door speaker).

-

AV-223, "Removal and Installation"

 (rear 

tweeter).

-

AV-224, "Removal and Installation"

 (sub-

woofer).

• Malfunction in AV control unit.

Refer to 

AV-126, "On Board Diagnosis 

Function"

.

• Malfunction in audio amplifier.

Replace Audio amplifier. Refer to 

AV-

219, "Removal and Installation"

.

Symptoms

Check items

Probable malfunction location

AV

MULTI AV SYSTEM

AV-203

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Noise is mixed with audio.

Noise comes out from all speakers.

• Malfunction in AV control unit.

Refer to 

AV-126, "On Board Diagnosis 

Function"

.

• Malfunction in audio amplifier.

Replace audio amp. Refer to 

AV-219, 

"Removal and Installation"

.

Noise comes out only from a certain speak-
er (front door speaker LH, front door speak-
er RH, front tweeter LH, front tweeter RH, 
rear door speaker LH, rear door speaker 
RH, rear tweeter LH, rear tweeter RH, sub-
woofer).

• Poor connector connection of speaker.
• Sound signal circuit malfunction between 

AV control unit and audio amplifier.
Refer to:

-

AV-177, "Diagnosis Procedure"

 (front 

door speaker).

-

AV-180, "Diagnosis Procedure"

 (front 

tweeter).

-

AV-183, "Diagnosis Procedure"

 (rear 

door speaker).

-

AV-186, "Diagnosis Procedure"

 (rear 

tweeter).

-

AV-189, "Diagnosis Procedure"

 (sub-

woofer).

• Sound signal circuit malfunction between 

audio amplifier and speaker.
Refer to:

-

AV-177, "Diagnosis Procedure"

 (front 

door speaker).

-

AV-180, "Diagnosis Procedure"

 (front 

tweeter).

-

AV-183, "Diagnosis Procedure"

 (rear 

door speaker).

-

AV-186, "Diagnosis Procedure"

 (rear 

tweeter).

-

AV-189, "Diagnosis Procedure"

 (sub-

woofer).

• Malfunction in speaker.
• Poor Installation of speaker (e.g. back-

lash and looseness).
Refer to:

-

AV-221, "Removal and Installation"

 (front 

door speaker).

-

AV-220, "Removal and Installation"

 (front 

tweeter).

-

AV-222, "Removal and Installation"

 (rear 

door speaker).

-

AV-223, "Removal and Installation"

 (rear 

tweeter).

-

AV-224, "Removal and Installation"

 (sub-

woofer).

• Malfunction in AV control unit.

Refer to 

AV-126, "On Board Diagnosis 

Function"

.

• Malfunction in audio amplifier.

Replace audio amplifier. Refer to 

AV-219, 

"Removal and Installation"

.

Noise is mixed with radio only (when the ve-
hicle hits a bump or while driving over bad 
roads)

Poor connector connection of antenna or 
antenna feeder.
Refer to 

AV-227, "Location of Antenna"

.

Symptoms

Check items

Probable malfunction location