Nissan Altima L32. Instruction — part 8
AV-24
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
DOOR SPEAKER (COUPE)
DOOR SPEAKER (COUPE)
Description
INFOID:0000000004206371
The audio unit sends audio signals to the door speakers using the door speaker circuits.
Diagnosis Procedure
INFOID:0000000004206372
1.
HARNESS CHECK
1. Disconnect audio unit connector M43 (A) and suspect speaker
connector (B).
2. Check continuity between audio unit harness connector M43 (A)
terminal and suspect speaker harness connector (B) terminal.
3. Check continuity between audio unit harness connector M43 (A)
terminal and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.
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
M43
2
D3
1
Yes
3
2
11
D103
1
12
2
A
—
Continuity
Connector
Terminal
A
2
Ground
No
3
11
12
AWNIA0031ZZ
AV
DOOR SPEAKER (COUPE)
AV-25
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
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-III or oscilloscope.
Is the audio signal voltage as specified?
YES
>> Replace speaker. Refer to
.
NO
>> Replace audio unit. Refer to
(+)
(-)
Condition
Reference
signal
Con-
nector
Terminal
Terminal
M43
2
3
Receive
audio sig-
nal
11
12
AWNIA0032ZZ
SKIA0177E
AV-26
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
FRONT DOOR SPEAKER (SEDAN)
FRONT DOOR SPEAKER (SEDAN)
Description
INFOID:0000000004206373
The audio unit sends audio signals to the front door speakers using the door speaker circuits.
Diagnosis Procedure
INFOID:0000000004206374
1.
HARNESS CHECK
1. Disconnect audio unit connector M43 (A) and suspect speaker
connector (B).
2. Check continuity between audio unit harness connector M43 (A)
terminal and suspect speaker harness connector (B) terminal.
3. Check continuity between audio unit harness connector M43 (A)
terminal and ground.
Are continuity results as specified?
YES
>> GO TO 2
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.
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
M43
2
D3
1
Yes
3
2
11
D103
1
12
2
A
—
Continuity
Connector
Terminal
M43
2
Ground
No
3
11
12
AWNIA0031ZZ
AV
FRONT DOOR SPEAKER (SEDAN)
AV-27
< COMPONENT DIAGNOSIS >
[BASE AUDIO]
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-III or oscilloscope.
Is the audio signal voltage as specified?
YES
>> Replace speaker. Refer to
.
NO
>> Replace audio unit. Refer to
(+)
(-)
Condition
Reference
signal
Con-
nector
Terminal
Terminal
M43
2
3
Receive
audio sig-
nal
11
12
AWNIA0032ZZ
SKIA0177E
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