Nissan Pathfinder (2009 year). Instruction — part 50
AV-212
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT 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 M69 and BOSE speaker
amp. connector B75.
2.
Check continuity between AV control unit harness connector
M69 (A) and BOSE speaker amp. harness connector B75 (B).
3.
Check continuity between AV control unit harness connector
M69 (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
M69
113
B75
30
Yes
119
29
109
28
115
27
A
—
Continuity
Connector
Terminal
M69
113
Ground
No
119
109
115
ALNIA0532GB
2009 Pathfinder
AV
FRONT DOOR SPEAKER
AV-213
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT 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
M69 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
(+)
(-)
M69
113
119
Receive
audio sig-
nal
109
115
ALNIA0878GB
SKIA0177E
2009 Pathfinder
AV-214
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
FRONT TWEETER
FRONT TWEETER
Description
INFOID:0000000003939108
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:0000000003939109
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 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-215
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT 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 M69 and BOSE speaker
amp. connector B75.
2.
Check continuity between AV control unit harness connector
M69 (A) and BOSE speaker amp. harness connector B75 (B).
3.
Check continuity between AV control unit harness connector
M69 (A) and ground.
Are continuity 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
M69
113
B75
30
Yes
119
29
109
28
115
27
A
—
Continuity
Connector
Terminal
M69
113
Ground
No
119
109
115
ALNIA0532GB
2009 Pathfinder
AV-216
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
FRONT TWEETER
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
M69 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
(+)
(-)
M69
113
119
Receive
audio sig-
nal
109
115
AWNIA0457ZZ
SKIA0177E
2009 Pathfinder
AV
REAR DOOR SPEAKER
AV-217
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
REAR DOOR SPEAKER
Description
INFOID:0000000003939110
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:0000000003939111
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 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
2009 Pathfinder
AV-218
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
REAR DOOR SPEAKER
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 M69 and BOSE speaker
amp. connector B75.
2.
Check continuity between AV control unit harness connector
M69 (A) and BOSE speaker amp. harness connector B75 (B).
3.
Check continuity between AV control unit harness connector
M69 (A) and ground.
Are the continuity 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
M69
112
B75
26
Yes
118
25
108
24
114
23
A
—
Continuity
Connector
Terminal
M69
112
Ground
No
118
108
114
ALNIA0535GB
2009 Pathfinder
AV
REAR DOOR SPEAKER
AV-219
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1.
Connect AV control unit connector M69 and BOSE speaker
amp. connector B75.
2.
Turn ignition switch to ACC.
3.
Push “POWER” switch.
4.
Check the signal between AV control unit harness connector
M69 terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage reading as specified?
YES
>> Replace BOSE speaker amp. Refer to
.
NO
>> Replace AV control unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M69
112
118
Receive
audio sig-
nal
108
114
ALNIA0356GB
SKIA0177E
2009 Pathfinder
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