Nissan Maxima. Manual — part 108
AV-252
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/O BOSE]
REAR DOOR SPEAKER
REAR DOOR SPEAKER
Description
INFOID:0000000010064901
The AV control unit sends audio signals to the rear door speakers using the rear door speaker circuits.
Diagnosis Procedure
INFOID:0000000010064902
Regarding Wiring Diagram information, refer to
AV-282, "Wiring Diagram - Without BOSE Audio System With-
1.
CONNECTOR CHECK
Check the AV control unit 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 AV control unit connector M115 (A) and suspect
speaker connector.
2. Check continuity between AV control unit harness connector
M115 (A) and suspect speaker harness connector (B).
3. Check continuity between AV control unit harness connector
M115 (A) and ground.
Are the continuity results as specified?
YES
>> GO TO 3.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.
REAR DOOR SPEAKER SIGNAL CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
M115
4
D202
1
Yes
5
2
13
D302
1
14
2
A
—
Continuity
Connector
Terminal
M115
4
Ground
No
5
13
14
AWNIA0033ZZ
AV
REAR DOOR SPEAKER
AV-253
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/O BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect AV control unit connector and rear door speaker con-
nector.
2. Turn ignition switch to ACC.
3. Push POWER switch.
4. Check the signal between AV control unit harness connector ter-
minals with CONSULT or oscilloscope.
Is the audio signal voltage as specified?
YES
>> Replace rear door speaker. Refer to
.
NO
>> Replace AV control unit. Refer to
(+)
(-)
Condition
Reference
signal
Connec-
tor
Terminal
Terminal
M115
4
5
Receive
audio sig-
nal
13
14
AWNIA0034ZZ
SKIA0177E
AV-254
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/O BOSE]
SUBWOOFER
SUBWOOFER
Description
INFOID:0000000010064903
The AV control unit sends audio signals to the subwoofer amp. The subwoofer amp. amplifies the audio sig-
nals before sending them to the subwoofers using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000010064904
Regarding Wiring Diagram information, refer to
AV-282, "Wiring Diagram - Without BOSE Audio System With-
1.
CONNECTOR CHECK
Check the AV control unit, subwoofer amp. and subwoofer 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 subwoofer amp. connector B21 and suspect sub-
woofer connector.
2. Check continuity between subwoofer amp. harness connector
B21 (A) and suspect subwoofer harness connector (B).
3. Check continuity between subwoofer harness connector B21 (A)
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.
REAR SUBWOOFER SIGNAL CHECK
A B
Continuity
Connector
Terminal
Connector
Terminal
B21
6
B16
1
Yes
5
2
10
B17
1
8
2
A
—
Continuity
Connector
Terminal
B21
6
Ground
No
5
10
8
AWNIA1682ZZ
AV
SUBWOOFER
AV-255
< DTC/CIRCUIT DIAGNOSIS >
[COLOR DISPLAY - W/O BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect subwoofer amp. connector B21 and suspect subwoofer
connector.
2. Turn ignition switch to ACC.
3. Push POWER switch.
4. Check the signal between subwoofer amp. harness connector
B21 terminals with CONSULT or oscilloscope.
Is the audio signal voltage as specified?
YES
>> Replace suspect subwoofer. Refer to
.
NO
>> GO TO 4.
4.
HARNESS CHECK
1. Disconnect AV control unit connector M115 and subwoofer
speaker amp. connector B21.
2. Check continuity between AV control unit harness connector
M115 (A) and subwoofer amp. harness connector B21 (B).
3. Check continuity between AV control unit harness connector
M115 (A) terminal 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.
SUBWOOFER SIGNAL CHECK
Connector
Terminals
Condition
Reference
signal
(+)
(-)
B21
6
5
Receive au-
dio signal
10
8
AWNIA1683ZZ
SKIA0177E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M115
4
B21
2
Yes
5
1
13
4
14
3
A
—
Continuity
Connector
Terminal
M115
4
Ground
No
5
13
14
AWNIA1684ZZ
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