Nissan Titan A60. Manual — part 72
AV
FRONT DOOR SPEAKER
AV-113
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
C
D
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F
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B
A
O
P
FRONT DOOR SPEAKER
Description
INFOID:0000000006166506
The audio unit sends audio signals to the audio amp. The audio amp. amplifies the audio signals before send-
ing them to the front door speakers using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000006166507
Regarding Wiring Diagram information, refer to
AV-151, "Wiring Diagram - Without Navigation System"
1.
SPEAKER HARNESS CHECK
1. Disconnect audio amp. connector M113 and suspect speaker
connector.
2. Check continuity between audio amp. harness connector M113
(A) and suspect speaker harness connector (B).
3. Check continuity between audio amp. harness connector M113
(A) and ground.
Are continuity test 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
A B
Continuity
Connector
Terminal
Connector
Terminal
M113
15
D12
1
Yes
31
2
16
D112
1
32
2
A
—
Continuity
Connector
Terminal
M113
15
Ground
No
31
16
32
ALNIA0718GB
AV-114
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
FRONT DOOR SPEAKER
1. Connect audio amp. connector M113 and suspect speaker con-
nector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio amp. harness connector M113
terminals with CONSULT-III or oscilloscope.
Is audio signal voltage as specified?
YES
>> Replace suspect speaker. Refer to
.
NO
>> GO TO 3.
3.
PRE-AMP HARNESS CHECK
1. Disconnect audio unit connector M171 and audio amp. connec-
tor M113.
2. Check continuity between audio unit harness connector M171
(A) and audio amp. harness connector M113 (B).
3. Check continuity between audio unit harness connector M171
(A) and ground.
Are continuity test results as specified?
YES
>> GO TO 4.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
4.
PRE-AMP SIGNAL CHECK
Connec-
tor
Terminal
Condition
Reference
signal
(+)
(-)
M113
15
31
Receive
audio sig-
nal
16
32
ALNIA0719GB
SKIA0177E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M171
1
M113
6
Yes
2
22
3
5
4
21
A
—
Continuity
Connector
Terminal
M171
1
Ground
No
2
3
4
ALNIA0720GB
AV
FRONT DOOR SPEAKER
AV-115
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
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B
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1. Connect audio unit connector and audio amp. connector.
2. Turn ignition switch ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M171
terminals with CONSULT-III or oscilloscope.
Are the audio signal voltage readings as specified?
YES
>> Replace audio amp. Refer to
NO
>> Replace audio unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M171
2
1
Receive
audio sig-
nal
4
3
AWNIA1615ZZ
SKIA0177E
AV-116
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITHOUT NAVIGATION]
FRONT TWEETER
FRONT TWEETER
Description
INFOID:0000000006166508
The audio unit sends audio signals to the audio amp. The audio amp. amplifies the audio signals before send-
ing them to the tweeters using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000006166509
Regarding Wiring Diagram information, refer to
AV-151, "Wiring Diagram - Without Navigation System"
1.
HARNESS CHECK
1. Disconnect audio amp. connector M113 and suspect tweeter
connector.
2. Check continuity between audio amp. harness connector M113
(A) and suspect tweeter harness connector (B).
3. Check continuity between audio amp. harness connector M113
(A) and ground.
Are continuity test results as specified?
YES
>> GO TO 2.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.
FRONT TWEETER SIGNAL CHECK
A B
Continuity
Connector
Terminal
Connector
Terminal
M113
14
M109
1
Yes
30
2
13
M111
1
29
2
A
—
Continuity
Connector
Terminal
M113
14
Ground
No
30
13
29
ALNIA0722GB
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