Nissan Pathfinder (2009 year). Instruction — part 71
AV-380
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
RGB AREA (YS) SIGNAL CIRCUIT
RGB AREA (YS) SIGNAL CIRCUIT
Description
INFOID:0000000003939250
Transmits the display area of RGB image displayed by AV control unit with RGB area (YS) signal to display
unit.
Diagnosis Procedure
INFOID:0000000003939251
1.
CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M92 and AV control unit con-
nector M37.
3.
Check continuity between display unit harness connector M92
(A) terminal 9 and AV control unit harness connector M37 (B)
terminal 27.
4.
Check continuity between display unit harness connector M92
(A) terminal 9 and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK RGB SYNCHRONIZING SIGNAL
1.
Connect display unit connector M92 and AV control unit connec-
tor M37.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector M92 ter-
minal 9 and ground.
Are voltage readings as specified?
YES
>> Replace display unit. Refer to
AV-457, "Removal and Installation"
NO
>> Replace AV control unit. Refer to
AV-455, "Removal and Installation"
.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M92
9
M37
27
Yes
A
—
Continuity
Connector
Terminal
M92
9
Ground
No
AWNIA1793ZZ
(+)
(-)
Condition
Reference signal
Connector
Terminal
M92
9
Ground
Receive
audio sig-
nal
ALNIA0391GB
PKIB4948J
2009 Pathfinder
AV
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
AV-381
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
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F
G
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B
A
O
P
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
Description
INFOID:0000000003939252
In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizon-
tal synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images dis-
played with AV control unit such as the image quality adjusting menu, etc.
Diagnosis Procedure
INFOID:0000000003939253
1.
CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M92 and AV control unit con-
nector M37.
3.
Check continuity between display unit harness connector M92
(A) terminal 8 and AV control unit harness connector M37 (B)
terminal 28.
4.
Check continuity between display unit harness connector M92
(A) terminal 8 and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL
1.
Connect display unit connector M92 and AV control unit connec-
tor M37.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector M92 ter-
minal 8 and ground.
Are voltage readings as specified?
YES
>> Replace AV control unit. Refer to
AV-455, "Removal and Installation"
.
NO
>> Replace display unit. Refer to
AV-457, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M92
8
M37
28
Yes
A
—
Continuity
Connector
Terminal
M92
8
Ground
No
AWNIA1794ZZ
(+)
(-)
Condition
Reference signal
Connector
Terminal
M92
8
Ground
Receive
audio sig-
nal
ALNIA0396GB
SKIB3601E
2009 Pathfinder
AV-382
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
Description
INFOID:0000000003939254
In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizon-
tal synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images dis-
played with AV control unit such as the image quality adjusting menu, etc.
Diagnosis Procedure
INFOID:0000000003939255
1.
CHECK CONTINUITY VERTICAL SINCHRONIZING (VP) SIGNAL CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect display unit connector M92 and AV control unit con-
nector M37.
3.
Check continuity between display unit harness connector M92
(A) terminal 20 and AV control unit harness connector M37 (B)
terminal 29.
4.
Check continuity between display unit harness connector M92
(A) terminal 20 and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> Repair harness or connector.
2.
CHECK VERTICAL SINCHRONIZING (VP) SIGNAL
1.
Connect display unit connector M92 and AV control unit connec-
tor M37.
2.
Turn ignition switch ON.
3.
Check signal between display unit harness connector M92 ter-
minal 20 and ground.
Are voltage readings as specified?
YES
>> Replace AV control unit. Refer to
AV-455, "Removal and Installation"
.
NO
>> Replace display unit. Refer to
AV-457, "Removal and Installation"
A
B
Continuity
Connector
Terminal
Connector
Terminal
M92
20
M37
29
Yes
A
—
Continuity
Connector
Terminal
M92
20
Ground
No
AWNIA1795ZZ
(+)
(-)
Condition
Reference signal
Connector
Terminal
M92
20
Ground
Receive
audio sig-
nal
ALNIA0393GB
SKIB3598E
2009 Pathfinder
AV
FRONT DOOR SPEAKER
AV-383
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
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F
G
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B
A
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FRONT DOOR SPEAKER
Description
INFOID:0000000003939256
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the
audio signals before sending them to the front door speakers using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000003939257
1.
HARNESS CHECK
1.
Disconnect BOSE speaker amp. connector B75 and suspect
speaker connector.
2.
Check continuity between BOSE speaker amp. harness connec-
tor B75 (A) and suspect speaker harness connector (B).
3.
Check continuity between BOSE speaker amp. harness connec-
tor B75 (A) and ground.
Are continuity test 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
B75
13
D12
1
Yes
14
2
15
D112
1
16
2
A
—
Continuity
Connector
Terminal
B75
13
Ground
No
14
15
15
ALNIA0530GB
2009 Pathfinder
AV-384
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
FRONT DOOR SPEAKER
1.
Connect BOSE speaker amp. connector B75 and suspect
speaker connector.
2.
Turn ignition switch to ACC.
3.
Push “POWER” switch.
4.
Check the signal between BOSE speaker amp. harness connec-
tor B75 terminals with CONSULT-III or oscilloscope.
Is audio signal voltage as specified?
YES
>> Replace suspect speaker. Refer to
.
NO
>> GO TO 3
3.
HARNESS CHECK
1.
Disconnect AV control unit connector M39 and BOSE speaker
amp. connector B75.
2.
Check continuity between AV control unit harness connector
M39 (A) and BOSE speaker amp. harness connector B75 (B).
3.
Check continuity between AV control unit harness connector
M39 (A) and ground.
Are continuity test results as specified?
YES
>> GO TO 4
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
4.
FRONT SPEAKER SIGNAL CHECK
Connec-
tor
Terminal
Condition
Reference
signal
(+)
(-)
B75
13
14
Receive
audio sig-
nal
15
16
ALNIA0531GB
SKIA0177E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M39
2
B75
30
Yes
3
29
11
28
12
27
A
—
Continuity
Connector
Terminal
M39
2
Ground
No
3
11
12
ALNIA0550GB
2009 Pathfinder
AV
FRONT DOOR SPEAKER
AV-385
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1.
Connect AV control unit connector and BOSE speaker amp.
connector.
2.
Turn ignition switch ACC.
3.
Push “POWER” switch.
4.
Check the signal between AV control unit harness connector
M39 terminals with CONSULT-III or oscilloscope.
Are the audio signal voltage readings as specified?
YES
>> Replace BOSE speaker amp. Refer to
.
NO
>> Replace AV control unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M39
2
3
Receive
audio sig-
nal
11
12
AWNIA0032ZZ
SKIA0177E
2009 Pathfinder
AV-386
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
FRONT TWEETER
FRONT TWEETER
Description
INFOID:0000000003939258
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the
audio signals before sending them to the tweeters using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000003939259
1.
HARNESS CHECK
1.
Disconnect BOSE speaker amp. connector B75 and suspect
tweeter connector.
2.
Check continuity between BOSE speaker amp. harness connec-
tor B75 (A) and suspect tweeter harness connector (B).
3.
Check continuity between BOSE speaker amp. harness connec-
tor B75 (A) and ground.
Are continuity test results as specified?
YES
>> GO TO 2
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.
FRONT TWEETER SIGNAL CHECK
A B
Continuity
Connector
Terminal
Connector
Terminal
B75
13
M109
1
Yes
14
2
15
M111
1
16
2
A
—
Continuity
Connector
Terminal
B75
13
Ground
No
14
15
16
ALNIA0530GB
2009 Pathfinder
AV
FRONT TWEETER
AV-387
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1.
Connect BOSE speaker amp. connector B75 and suspect
tweeter connector.
2.
Turn ignition switch to ACC.
3.
Push “POWER” switch.
4.
Check the signal between BOSE speaker amp. harness connec-
tor B75 terminals with CONSULT-III or oscilloscope.
Is audio signal voltage as specified?
YES
>> Replace suspect tweeter. Refer to
.
NO
>> GO TO 3
3.
HARNESS CHECK
1.
Disconnect AV control unit connector M39 and BOSE speaker
amp. connector B75.
2.
Check continuity between AV control unit harness connector
M39 (A) and BOSE speaker amp. harness connector B75 (B).
3.
Check continuity between AV control unit harness connector
M39 (A) and ground.
Are continuity test results as specified?
YES
>> GO TO 4
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
4.
FRONT TWEETER SIGNAL CHECK
Connec-
tor
Terminal
Condition
Reference
signal
(+)
(-)
B75
13
14
Receive
audio sig-
nal
15
16
ALNIA0531GB
SKIA0177E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M39
2
B75
30
Yes
3
29
11
28
12
27
A
—
Continuity
Connector
Terminal
M39
2
Ground
No
3
11
12
ALNIA0550GB
2009 Pathfinder
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