Nissan Maxima. Instruction — part 53
AV-32
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/O BOSE]
FRONT DOOR SPEAKER
FRONT DOOR SPEAKER
Description
INFOID:0000000009471174
The audio unit sends audio signals to the front door speakers using the front door speaker circuits.
Diagnosis Procedure
INFOID:0000000009471175
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 (B).
2. Check continuity between audio unit harness connector M133
(A) terminal and suspect speaker harness connector (B) termi-
nal.
3. Check continuity between audio unit harness connector M133
(A) terminal and ground.
Are continuity results as specified?
YES
>> GO TO 3.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
3.
FRONT DOOR SPEAKER SIGNAL CHECK
1. Connect audio unit connector and front speaker connector.
2. Turn ignition switch to ACC.
3. Push POWER switch.
A
B
Continuity
Connector
Terminal
Connector
Terminal
M133
2
D3
1
Yes
3
2
11
D103
1
12
2
A
—
Continuity
Connector
Terminal
M133
2
Ground
No
3
11
12
AWNIA0031ZZ
AV
FRONT DOOR SPEAKER
AV-33
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/O BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
4. Check the signal between audio unit harness connector termi-
nals with CONSULT or oscilloscope.
Is the inspection result normal?
YES
>> Replace speaker. Refer to
.
NO
>> Replace audio unit. Refer to
(+)
(-)
Condition
Reference
signal
Connector
Terminal Terminal
M133
2
3
Receive
audio sig-
nal
11
12
AWNIA0032ZZ
SKIA0177E
AV-34
< DTC/CIRCUIT DIAGNOSIS >
[MONOCHROME DISPLAY - W/O BOSE]
TWEETER
TWEETER
Description
INFOID:0000000009471176
The audio unit sends audio signals to the tweeters using the front door speaker circuits.
Diagnosis Procedure
INFOID:0000000009471177
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 tweeter
connector (B).
2. Check continuity between audio unit harness connector M133
(A) and suspect tweeter 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.
TWEETER SIGNAL CHECK
A B
Continuity
Connector
Terminal
Connector
Terminal
M133
2
M143
1
Yes
3
2
11
M144
1
12
2
A
—
Continuity
Connector
Terminal
M133
2
Ground
No
3
11
12
AWNIA0031ZZ
AV
TWEETER
AV-35
< 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 tweeter 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 tweeter. Refer to
.
NO
>> Replace audio unit. Refer to
(+)
(-)
Condition
Reference
signal
Connector
Terminal
Terminal
M133
2
3
Receive
audio sig-
nal
11
12
AWNIA0032ZZ
SKIA0177E
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