Nissan Altima L32. Instruction — part 85
AV-332
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
FRONT DOOR SPEAKER (SEDAN)
1. Connect AV control unit connector and BOSE speaker amp.
connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between AV control unit harness connector ter-
minals with CONSULT-III or oscilloscope.
Are the audio signal voltage readings as specified?
YES
>> Replace BOSE speaker amp. Refer to
"Removal and Installation - Sedan"
.
NO
>> Replace AV control unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M47
2
3
Receive
audio sig-
nal
11
12
ALNIA0171ZZ
SKIA0177E
AV
FRONT TWEETER (COUPE)
AV-333
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT TWEETER (COUPE)
Description
INFOID:0000000004206642
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio
signals before sending them to the front tweeters using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000004206643
1.
HARNESS CHECK
1. Disconnect BOSE speaker amp. connector B122 and suspect
tweeter connector.
2. Check continuity between BOSE speaker amp. harness connec-
tor B122 (A) and suspect tweeter harness connector (B).
3. Check continuity between BOSE speaker amp. harness connec-
tor B122 (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
B122
41
M51
1
Yes
42
2
44
M52
1
43
2
A
—
Continuity
Connector
Terminal
B122
41
Ground
No
42
44
43
ALNIA0137ZZ
AV-334
< COMPONENT DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
FRONT TWEETER (COUPE)
1. Connect BOSE speaker amp. connector B122 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 B122 terminals with CONSULT-III or oscilloscope.
Are voltage readings as specified?
YES
>> Replace suspect tweeter. Refer to
.
NO
>> GO TO 3
3.
HARNESS CHECK
1. Disconnect AV control unit connector M47 and BOSE speaker
amp. connector B121.
2. Check continuity between AV control unit harness connector (A)
M47 and BOSE speaker amp. harness connector B121 (B).
3. Check continuity between AV control unit harness connector
B121 (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
Connector
Terminals
Condition
Reference
signal
(+)
(-)
B122
41
42
Receive
audio sig-
nal
44
43
ALNIA0138ZZ
SKIA0177E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M47
2
B121
75
Yes
3
76
11
73
12
74
A
—
Continuity
Connector
Terminal
M47
2
Ground
No
3
11
12
ALNIA0136ZZ
AV
FRONT TWEETER (COUPE)
AV-335
< 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 to ACC.
3. Push “POWER” switch.
4. Check the signal between AV control unit harness connector ter-
minals with CONSULT-III or oscilloscope.
Are voltage readings as specified?
YES
>> Replace BOSE speaker amp. Refer to
"Removal and Installation - Coupe"
.
NO
>> Replace AV control unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M47
2
3
Receive
audio sig-
nal
11
12
ALNIA0171ZZ
SKIA0177E
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