Nissan Pathfinder (2008 year). Manual — part 64
AV-352
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
FRONT DOOR SPEAKER
FRONT DOOR SPEAKER
Description
INFOID:0000000001469748
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:0000000001469749
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
AV
FRONT DOOR SPEAKER
AV-353
< 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
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 M42 and BOSE speaker
amp. connector B75.
2.
Check continuity between AV control unit harness connector
M42 (A) and BOSE speaker amp. harness connector B75 (B).
3.
Check continuity between AV control unit harness connector
M42 (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
M42
2
B75
30
Yes
3
29
11
28
12
27
A
—
Continuity
Connector
Terminal
M42
2
Ground
No
3
11
12
ALNIA0550GB
AV-354
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
FRONT DOOR SPEAKER
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
M42 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
(+)
(-)
M42
2
3
Receive
audio sig-
nal
11
12
AWNIA0032ZZ
SKIA0177E
AV
FRONT TWEETER
AV-355
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT TWEETER
Description
INFOID:0000000001469750
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:0000000001469751
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
AV-356
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
FRONT TWEETER
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 M42 and BOSE speaker
amp. connector B75.
2.
Check continuity between AV control unit harness connector
M42 (A) and BOSE speaker amp. harness connector B75 (B).
3.
Check continuity between AV control unit harness connector
M42 (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
M42
2
B75
30
Yes
3
29
11
28
12
27
A
—
Continuity
Connector
Terminal
M42
2
Ground
No
3
11
12
ALNIA0550GB
AV
FRONT TWEETER
AV-357
< 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
M42 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
(+)
(-)
M42
2
3
Receive
audio sig-
nal
11
12
AWNIA0032ZZ
SKIA0177E
AV-358
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
REAR DOOR SPEAKER
REAR DOOR SPEAKER
Description
INFOID:0000000001469752
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 rear door speakers using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000001469753
1.
HARNESS CHECK
1.
Disconnect BOSE speaker amp. connectors B75 and suspect
speaker connector.
2.
Check continuity between BOSE speaker amp. harness connec-
tors B75 (A) and suspect speaker harness connector (B).
3.
Check continuity between BOSE speaker amp. harness connec-
tors B75 (A) and ground.
Are the continuity test results as specified?
YES
>> GO TO 2
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.
REAR DOOR SPEAKER SIGNAL CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
B75
9
D207
1
Yes
10
2
11
D307
1
12
2
Connector
Terminal
-
Continuity
B75
9
Ground
No
10
11
12
ALNIA0533GB
AV
REAR DOOR SPEAKER
AV-359
< 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. connectors and suspect speaker
connector.
2.
Turn ignition switch to ACC.
3.
Push “POWER” switch.
4.
Check the signal between BOSE speaker amp. harness connec-
tors B75 terminals with CONSULT-III or oscilloscope.
Are audio signal voltage readings as specified?
YES
>> Replace suspect speaker. Refer to
.
NO
>> GO TO 3
3.
HARNESS CHECK
1.
Disconnect AV control unit connector M42 and BOSE speaker
amp. connector B75.
2.
Check continuity between AV control unit harness connector
M42 (A) and BOSE speaker amp. harness connector B75 (B).
3.
Check continuity between AV control unit harness connector
M42 (A) and ground.
Are the continuity test results as specified?
YES
>> GO TO 4
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
4.
REAR DOOR SPEAKER SIGNAL CHECK
Connector
Terminals
Condition
Reference
signal
(+)
(-)
B75
9
10
Receive
audio sig-
nal
11
12
ALNIA0534GB
SKIA0177E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M42
4
B75
26
Yes
5
25
13
24
14
23
A
—
Continuity
Connector
Terminal
M42
4
Ground
No
5
13
14
ALNIA0551GB
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