Nissan Titan A60. Instruction — part 104
AV
FRONT DOOR SPEAKER
AV-241
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
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 M43 and audio amp. connector
M113.
2. Check continuity between audio unit harness connector M43 (A)
and audio amp. harness connector M113 (B).
3. Check continuity between audio unit harness connector M43 (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
M43
1
M113
6
Yes
2
22
3
5
4
21
A
—
Continuity
Connector
Terminal
M43
1
Ground
No
2
3
4
ALNIA0720GB
AV-242
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITH NAVIGATION]
FRONT DOOR SPEAKER
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 M43
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
(+)
(-)
M43
2
1
Receive
audio sig-
nal
4
3
AWNIA1615ZZ
SKIA0177E
AV
FRONT TWEETER
AV-243
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT TWEETER
Description
INFOID:0000000006166602
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:0000000006166603
Regarding Wiring Diagram information, refer to
AV-285, "Wiring Diagram - With 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
AV-244
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITH NAVIGATION]
FRONT TWEETER
1. Connect audio amp. connector M113 and suspect tweeter 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 tweeter. Refer to
.
NO
>> GO TO 3.
3.
PRE-AMP HARNESS CHECK
1. Disconnect audio unit connector M43 and audio amp. connector
M113.
2. Check continuity between audio unit harness connector M43 (A)
and audio amp. harness connector M113 (B).
3. Check continuity between audio unit harness connector M43 (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
14
30
Receive
audio sig-
nal
13
29
ALNIA0723GB
SKIA0177E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M43
1
M113
6
Yes
2
22
3
5
4
21
A
—
Continuity
Connector
Terminal
M43
1
Ground
No
2
3
4
ALNIA0720GB
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