Nissan Maxima. Manual — part 54
AV-36
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/O BOSE]
REAR DOOR SPEAKER
REAR DOOR SPEAKER
Description
INFOID:0000000009471178
The audio unit sends audio signals to the rear door speakers using the rear door speaker circuits.
Diagnosis Procedure
INFOID:0000000009471179
Regarding Wiring Diagram information, refer to
AV-54, "Wiring Diagram - Without BOSE Audio system"
1.
CONNECTOR CHECK
Check the audio 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 audio unit connector M133 (A) and suspect speaker
connector.
2. Check continuity between audio unit harness connector M133
(A) and suspect speaker harness connector (B).
3. Check continuity between audio unit harness connector M133
(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
M133
4
D209
1
Yes
5
2
13
D309
1
14
2
A
—
Continuity
Connector
Terminal
M133
4
Ground
No
5
13
14
AWNIA0033ZZ
AV
REAR DOOR SPEAKER
AV-37
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/O BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect audio unit connector and rear door speaker connector.
2. Turn ignition switch to ACC.
3. Push POWER switch.
4. Check the signal between audio unit harness connector termi-
nals with CONSULT or oscilloscope.
Is the audio signal voltage as specified?
YES
>> Replace rear door speaker. Refer to
.
NO
>> Replace audio unit. Refer to
(+)
(-)
Condition
Reference
signal
Connec-
tor
Terminal
Terminal
M133
4
5
Receive
audio sig-
nal
13
14
AWNIA0034ZZ
SKIA0177E
AV-38
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/O BOSE]
SUBWOOFER
SUBWOOFER
Description
INFOID:0000000009471180
The audio unit sends audio signals to the subwoofer amp. The subwoofer amp. amplifies the audio signals
before sending them to the subwoofers using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000009471181
Regarding Wiring Diagram information, refer to
AV-54, "Wiring Diagram - Without BOSE Audio system"
1.
CONNECTOR CHECK
Check the audio 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-39
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME 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 audio unit connector M133 and subwoofer speaker
amp. connector B21.
2. Check continuity between audio unit harness connector M133
(A) and subwoofer amp. harness connector B21 (B).
3. Check continuity between audio unit harness connector M133
(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
M133
4
B21
2
Yes
5
1
13
4
14
3
A
—
Continuity
Connector
Terminal
M133
4
Ground
No
5
13
14
AWNIA1684ZZ
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