Nissan Pathfinder (2008 year). Manual — part 21
AV-8
ECU DIAGNOSIS . . . . . . . . . ...
AV CONTROL UNIT . . . . . . . . . .
Reference Value . . . . . . . . . . . . .
Wiring Diagram . . . . . . . . . . . . . ..
DTC Index . . . . . . . . . . . . . . . .
DISPLAY UNIT . . . . . . . . . . . .
Reference Value . . . . . . . . . . . . .
BOSE SPEAKER AMP . . . . . . . . .
Reference Value . . . . . . . . . . . . .
REAR VIEW CAMERA CONTROL UNIT . .
Reference Value . . . . . . . . . . . . .
DVD PLAYER . . . . . . . . . . . . ..
Reference Value . . . . . . . . . . . . .
SYMPTOM DIAGNOSIS . . . . . . .
MULTI AV SYSTEM . . . . . . . . . . .
Symptom Table . . . . . . . . . . . . . .
NORMAL OPERATING CONDITION . . . ..
Description . . . . . . . . . . . . . . . .
PRECAUTION . . . . . . . . . . .
PRECAUTIONS . . . . . . . . . . . ...
Precaution for Trouble Diagnosis . . . . . . ..
Precaution for Harness Repair . . . . . . . ..
PREPARATION . . . . . . . . . . ..
PREPARATION . . . . . . . . . . . ...
Commercial Service Tools . . . . . . . . . .
ON-VEHICLE REPAIR . . . . . . . ...
AV CONTROL UNIT . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
DISPLAY UNIT . . . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
FRONT TWEETER . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
FRONT DOOR SPEAKER . . . . . . . .
Removal and Installation . . . . . . . . . ...
REAR DOOR SPEAKER . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
BOSE SPEAKER AMP . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
WOOFER . . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
DVD ENTERTAINMENT SYSTEM . . . . ...
Removal and Installation . . . . . . . . . ...
AUDIO ANTENNA . . . . . . . . . . .
Location of Antenna . . . . . . . . . . . ..
Window Antenna Repair . . . . . . . . . ...
GPS ANTENNA . . . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
NAVI CONTROL UNIT . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
SATELLITE RADIO ANTENNA . . . . . ...
Removal and Installation . . . . . . . . . ...
STEERING SWITCH . . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
MICROPHONE . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
TEL ANTENNA . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
REAR VIEW CAMERA . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
REAR VIEW CAMERA CONTROL UNIT . . .
AV
DIAGNOSIS AND REPAIR WORKFLOW
AV-9
< BASIC INSPECTION >
[BASE AUDIO]
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BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
INFOID:0000000001499922
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.
ALNIA0182GB
AV-10
< BASIC INSPECTION >
[BASE AUDIO]
DIAGNOSIS AND REPAIR WORKFLOW
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
AV
AUDIO SYSTEM
AV-11
< FUNCTION DIAGNOSIS >
[BASE AUDIO]
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FUNCTION DIAGNOSIS
AUDIO SYSTEM
System Diagram
INFOID:0000000001499923
System Description
INFOID:0000000001499924
AUDIO SYSTEM
The audio system consists of the following components
• Audio unit
• Roof antenna (audio)
• Front door speakers
• Front tweeters
• Rear speakers
When the audio system is on, radio signals are received by the window antenna. The audio unit then sends
audio signals to the front door speakers, front tweeters and rear speakers.
Refer to Owner's Manual for audio system operating instructions.
Component Parts Location
INFOID:0000000001499925
AWNIA0134GB
ALNIA0554GB
AV-12
< FUNCTION DIAGNOSIS >
[BASE AUDIO]
AUDIO SYSTEM
Component Description
INFOID:0000000001499926
1.
Front tweeter LH M109
2.
Audio unit M42
3.
Front tweeter RH M111
4.
Front door speaker
LH D12
RH D112
5.
Rear door speaker
LH D207
RH D307
Part name
Description
Audio unit
Controls audio system and satellite radio system functions
Front door speakers
• Outputs audio signal from audio unit
• Outputs high, mid and low range sounds
Front tweeters
• Outputs audio signal from audio unit
• Outputs high range sounds
Rear door speakers
• Outputs audio signal from audio unit
• Outputs high, mid and low range sounds
AV
POWER SUPPLY AND GROUND CIRCUIT
AV-13
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
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COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
INFOID:0000000001499928
1.
CHECK FUSES
Check that the following fuses are not blown.
Are the fuses OK?
YES
>> GO TO 2
NO
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.
2.
POWER SUPPLY CIRCUIT CHECK
1.
Disconnect audio unit connector M42.
2.
Check voltage between the audio unit connector M42 and
ground.
Are the voltage results as specified?
YES
>> GO TO 3
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.
GROUND CIRCUIT CHECK
Inspect audio unit case ground.
Does case ground pass inspection?
YES
>> Inspection End.
NO
>> Repair audio unit case ground.
Unit
Terminals
Signal name
Fuse No.
Audio unit
19
Battery power
29
7
Ignition switch ACC or ON
4
Unit
Terminal No.
OFF
ACC
ON
(+)
(-)
Connector
Terminal
Audio unit
M42
19
Ground
Battery
voltage
Battery
voltage
Battery
voltage
7
Ground
0V
Battery
voltage
Battery
voltage
WKIA5769E
AV-14
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
FRONT DOOR SPEAKER
FRONT DOOR SPEAKER
Description
INFOID:0000000001499930
The audio unit sends audio signals to the front door speakers using the front door speaker circuits.
Diagnosis Procedure
INFOID:0000000001499931
1.
HARNESS CHECK
1.
Disconnect audio unit connector M42 (A) and suspect speaker
connector (B).
2.
Check continuity between audio unit harness connector M42 (A)
terminal and suspect speaker harness connector (B) terminal.
3.
Check continuity between audio unit harness connector M42 (A)
terminal and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.
FRONT SPEAKER SIGNAL CHECK
A B
Continuity
Connector
Terminal
Connector
Terminal
M42
2
D12
1
Yes
3
2
11
D112
1
12
2
A
—
Continuity
Connector
Terminal
M42
2
Ground
No
3
11
12
AWNIA0031ZZ
AV
FRONT DOOR SPEAKER
AV-15
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
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1.
Connect audio unit connector and front speaker connector.
2.
Turn ignition switch to ACC.
3.
Push “POWER” switch.
4.
Check the signal between audio unit harness connector termi-
nals with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified?
YES
>> Replace speaker. Refer to
.
NO
>> Replace audio unit. Refer to
Connector
Terminal
Condition
Reference
signal
(+)
(-)
M42
2
3
Receive audio
signal
11
12
AWNIA0032ZZ
SKIA0177E
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