Nissan Pathfinder (2008 year). Manual — part 45
AV-200
< 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
ALNIA0346GB
SKIA0177E
AV
REAR DOOR SPEAKER
AV-201
< 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:0000000001450734
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:0000000001450735
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-202
< 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 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
M69
112
B75
26
Yes
118
25
108
24
114
23
A
—
Continuity
Connector
Terminal
M69
112
Ground
No
118
108
114
ALNIA0535GB
AV
REAR DOOR SPEAKER
AV-203
< 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
AV-204
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
REAR TWEETER
REAR TWEETER
Description
INFOID:0000000001450736
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 tweeters using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000001450737
1.
HARNESS CHECK
1.
Disconnect BOSE speaker amp. connectors B75 and suspect
tweeter connector.
2.
Check continuity between BOSE speaker amp. harness connec-
tors B75 (A) and suspect tweeter 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 TWEETER SIGNAL CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
B75
9
D208
1
Yes
10
2
11
D308
1
12
2
Connector
Terminal
-
Continuity
B75
9
Ground
No
10
11
12
ALNIA0533GB
AV
REAR TWEETER
AV-205
< 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. connectors and suspect tweeter
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 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 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 TWEETER 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
AV-206
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
REAR TWEETER
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
AV
WOOFER
AV-207
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
C
D
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F
G
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B
A
O
P
WOOFER
Description
INFOID:0000000001450740
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 subwoofer using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000001450741
1.
VERIFY SUBWOOFER POWER AND GROUND SUPPLY
Check power and ground supply to the subwoofer. Refer to
AV-182, "WOOFER : Diagnosis Procedure"
Did the power and ground supply check OK?
YES
>> GO TO 2
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.
HARNESS CHECK
1.
Disconnect BOSE speaker amp. connectors and subwoofer
connector.
2.
Check continuity between BOSE speaker amp. harness connec-
tors B74 (A) and B75 (B) and subwoofer harness connector B72
(C).
3.
Check continuity between BOSE speaker amp. harness connec-
tor B74 (A) and B75 (B) and ground.
Are the continuity test results as specified?
YES
>> GO TO 3
NO
>> • Check connector housings for disconnected or loose
terminals.
• Repair harness or connector.
3.
SUBWOOFER AMP ON SIGNAL CHECK
1.
Connect BOSE speaker amp. connector B74.
2.
Turn ignition switch to ACC.
3.
Push "POWER" switch.
4.
Check voltage between subwoofer connector B72 terminal 4
and ground.
Are the voltage readings as specified?
YES
>> GO TO 4
NO
>> Replace BOSE speaker amp. Refer to
AV-272, "Removal and Installation"
.
Connector
Terminal
Connector
Terminal
Continuity
A: B74
3
C: B72
1
Yes
19
2
B: B75
22
4
Connector
Terminal
-
Continuity
A: B74
3
Ground
No
19
B: B75
22
ALNIA0536GB
(+)
(-)
Voltage
Connector
Terminal
B72
4
Ground
Battery voltage
ALNIA0540GB
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