Nissan Pathfinder (2012 year). Manual - part 28

 

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Nissan Pathfinder (2012 year). Manual - part 28

 

 

AV-42

< BASIC INSPECTION >

[MID AUDIO]

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000007347601

OVERALL SEQUENCE

DETAILED FLOW

1.

GET INFORMATION FOR SYMPTOM

Get detailed information from the customer about the symptom (the condition and the environment when the

incident/malfunction occurred).

>> GO TO 2

2.

CONFIRM THE SYMPTOM

Try to confirm the symptom described by the customer. Verify relation between the symptom and the condition

when the symptom is detected.

>> GO TO 3

3.

DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

Inspect according to Diagnostic Procedure of the system.

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AV

DIAGNOSIS AND REPAIR WORKFLOW

AV-43

< BASIC INSPECTION >

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Is malfunctioning part detected?

YES

>> GO TO 4

NO

>> GO TO 2

4.

REPAIR OR REPLACE THE MALFUNCTIONING PART

1. Repair or replace the malfunctioning part.

2. Reconnect parts or connectors disconnected during Diagnostic Procedure.

>> GO TO 5

5.

FINAL CHECK

Refer to confirmed symptom in step 2, and make sure that the symptom is not detected.
Has the symptom been repaired?

YES

>> Inspection End.

NO

>> GO TO 2

August 2012

2012 Pathfinder

AV-44

< SYSTEM DESCRIPTION >

[MID AUDIO]

AUDIO SYSTEM

SYSTEM DESCRIPTION

AUDIO SYSTEM

System Diagram

INFOID:0000000007347602

System Description

INFOID:0000000007347603

AUDIO SYSTEM

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AV

AUDIO SYSTEM

AV-45

< SYSTEM DESCRIPTION >

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The audio system consists of the following components

• AV control unit

• Display unit

• Window antenna

• Steering wheel audio control switches

• A/C and AV switch assembly

• Front door speakers

• Front tweeters

• Rear door speakers

When the audio system is on, radio signals are received by the window antenna. The AV control unit then

sends audio signals to the front door speakers, front tweeters and rear door speakers.

Refer to Owner's Manual for audio system operating instructions.

SPEED SENSITIVE VOLUME SYSTEM

The volume level of this system goes up and down automatically in proportion to vehicle speed. The control

level can be set by the customer. Refer to the Owner's Manual for operating instructions.

Component Parts Location

INFOID:0000000007347604

1.

Steering wheel audio control switches 2.

Front tweeter LH M109

3.

AV control unit M131, M132, M133, 
M134, M135

4.

A/C and AV switch assembly M98

5.

Display unit M93

6.

Front tweeter RH M111

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2012 Pathfinder

AV-46

< SYSTEM DESCRIPTION >

[MID AUDIO]

AUDIO SYSTEM

Component Description

INFOID:0000000007347605

7.

Aux. jack M85

8.

Front door speaker
LH D12
RH D112

9.

Rear door speaker
LH D209
RH D309

10. Rear view camera D551

Part name

Description

AV control unit

Controls audio system functions

Display unit

Displays audio and climate control related information

A/C and AV switch assembly

• All audio and A/C operations can be operated
• switch signal is output to the AV control unit and A/C auto amp

Steering wheel audio control switches

• Audio operation can be operated
• Steering switch signal (operation signal) is output to AV control unit

Front door speakers

• Outputs audio signal from AV control unit
• Outputs high, mid and low range sounds

Front  tweeters

• Outputs audio signal from AV control unit
• Outputs high range sounds

Rear door speakers

• Outputs audio signal from AV control unit
• Outputs high, mid and low range sounds

Antenna amp.

• Radio signal received by window antenna is amplified and sent to AV con-

trol unit

• Power (antenna amp. ON signal) is supplied from AV control unit

August 2012

2012 Pathfinder

AV

REAR VIEW MONITOR SYSTEM

AV-47

< SYSTEM DESCRIPTION >

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REAR VIEW MONITOR SYSTEM

System Diagram

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System Description

INFOID:0000000007347607

When the shift selector is in the R position, the AV control unit receives camera image signals from the rear

view camera and sends the camera image signals to the display unit which shows a view to the rear of the

vehicle. Lines which indicate the vehicle clearance and distances are also displayed.

Component Parts Location

INFOID:0000000007347608

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AV-48

< SYSTEM DESCRIPTION >

[MID AUDIO]

REAR VIEW MONITOR SYSTEM

Component Description

INFOID:0000000007347609

1.

Steering wheel audio control switches 2.

Front tweeter LH M109

3.

AV control unit M131, M132, M133, 
M134, M135

4.

A/C and AV switch assembly M98

5.

Display unit M93

6.

Front tweeter RH M111

7.

Aux. jack M85

8.

Front door speaker
LH D12
RH D112

9.

Rear door speaker
LH D209
RH D309

10. Rear view camera D551

Part name

Description

AV control unit

• Receives reverse signal from back-up lamp relay
• Sends camera ON signal to rear view camera
• Receives image signal from rear view camera
• Sends camera image signal to display unit

Rear view camera

• Receives camera ON signal from AV control unit
• Sends image signal to the AV control unit

Display unit

• Receives camera image signal from AV control unit

August 2012

2012 Pathfinder

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-49

< SYSTEM DESCRIPTION >

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DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Description

INFOID:0000000007347610

DESCRIPTION 

• Diagnosis function consists of the "Self-Diagnosis" mode performed automatically and the "Confirmation/

Adjustment" mode operated manually.

• "Self-Diagnosis" mode checks for connections between the units constituting this system, analyzes each

individual unit at the same time, and displays the results on the LCD screen.

• "Confirmation/Adjustment" mode is used to perform trouble diagnosis that requires operation and judgment

by an operator (trouble that cannot be automatically judged by the system), to check/change the set value,

and to display the error history of the AV control unit.

DIAGNOSIS ITEM 

OPERATION PROCEDURE 

1. Start the engine.
2. Turn the audio system off.
3. While pressing the “SETTING” button, turn the volume control

dial counterclockwise 30 clicks or more.

Mode

Description

Self-diagnosis

• AV control unit diagnosis
• Analyzes connection between the AV control unit, front display and 

switches.

CONFIRMATION/
ADJUSTMENT

Display diagnosis

Color spectrum bar Color tone of the screen can be checked by the display of a color bar.

Gradation bar

Shading of the screen can be checked by the display of a gray scale.

Vehicle signals

The following vehicle signals are analyzed: Vehicle speed signal, park-
ing brake signal, light signal, ignition switch signal, and reverse signal.

Speaker test

Connection can be checked by sending a test tone to each speaker.

Climate control

Start automatic air conditioner self-diagnosis

Error history

Diagnosis results previously stored in the memory are displayed in this 
mode.

Vehicle CAN diagnosis

The transmitting/receiving of CAN communication can be monitored.

AV COMM diagnosis

The transmitting/receiving of AV communication can be monitored.

Delete connection log

Erase the error history and connection history of the unit.

Initialize settings

All audio settings are reset to default levels.

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August 2012

2012 Pathfinder

 

 

 

 

 

 

 

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