Nissan Maxima. Manual — part 73
AV-112
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/ BOSE]
TWEETER
1. Connect audio unit connector and BOSE speaker amp. connec-
tor.
2. Turn ignition switch ACC.
3. Push POWER switch.
4. Check the signal between audio unit harness connector termi-
nals with CONSULT or oscilloscope.
Are the audio signal voltage readings as specified?
YES
>> Replace BOSE speaker amp. Refer to
.
NO
>> Replace audio unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M132
2
3
Receive
audio sig-
nal
11
12
ALNIA0171ZZ
SKIA0177E
AV
CENTER SPEAKER
AV-113
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/ BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
CENTER SPEAKER
Description
INFOID:0000000009471233
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio
signals before sending them to the center speaker using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000009471234
Regarding Wiring Diagram information, refer to
AV-138, "Wiring Diagram - With BOSE Audio System"
1.
CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. and speaker connectors for the following:
• Proper connection
• Damage
• Disconnected or loose terminals
Is the inspection result normal?
YES
>> GO TO 2
NO
>> Repair the terminal and connector.
2.
HARNESS CHECK
1. Disconnect BOSE speaker amp. connector B109 and center
speaker connector M130.
2. Check continuity between BOSE speaker amp. harness connec-
tor B109 (A) and center speaker harness connector M130 (B).
3. Check continuity between BOSE speaker amp. harness connec-
tor B109 (A) and ground.
Are continuity test results as specified?
YES
>> GO TO 3.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.
CENTER SPEAKER SIGNAL CHECK
A B
Continuity
Connector
Terminal
Connector
Terminal
B109
29
M130
1
Yes
30
2
A
—
Continuity
Connector
Terminal
B109
29
Ground
No
30
AWNIA1699ZZ
AV-114
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/ BOSE]
CENTER SPEAKER
1. Connect BOSE speaker amp. connector B109 and center
speaker connector.
2. Turn ignition switch to ACC.
3. Push POWER switch.
4. Check the signal between BOSE speaker amp. harness connec-
tor B109 terminals with CONSULT or oscilloscope.
Is the audio signal voltage reading as specified?
YES
>> Replace center speaker. Refer to
AV-165, "Removal and Installation"
.
NO
>> GO TO 4.
4.
HARNESS CHECK
1. Disconnect audio unit connector M132 and BOSE speaker amp.
connector B109.
2. Check continuity between audio unit harness connector M132
(A) and BOSE speaker amp. harness connector B109 (B).
3. Check continuity between audio unit harness connector M132
(A) and ground.
Are continuity test results as specified?
YES
>> GO TO 5.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
5.
CENTER SPEAKER SIGNAL CHECK
Connector
Terminals
Condition
Reference
signal
(+)
(-)
B109
29
30
Receive
audio sig-
nal
AWNIA1700ZZ
SKIA0177E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M132
2
B109
35
Yes
3
36
11
33
12
34
A
—
Continuity
Connector
Terminal
M132
2
Ground
No
3
11
12
AWNIA1696ZZ
AV
CENTER SPEAKER
AV-115
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/ BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect audio unit connector and BOSE speaker amp. connec-
tor.
2. Turn ignition switch ACC.
3. Push POWER switch.
4. Check the signal between audio unit harness connector termi-
nals with CONSULT or oscilloscope.
Are the audio signal voltage readings as specified?
YES
>> Replace BOSE speaker amp. Refer to
.
NO
>> Replace audio unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M132
2
3
Receive
audio sig-
nal
11
12
ALNIA0171ZZ
SKIA0177E
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