Nissan Titan A60. Manual — part 107
AV
REAR DOOR TWEETER
AV-253
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITH NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
1. Connect audio unit connector M44 and audio amp. connector
M113.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M44
terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage reading as specified?
YES
>> Replace audio amp. Refer to
NO
>> Replace audio unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M44
14
13
Receive
audio sig-
nal
16
15
AWNIA1616ZZ
SKIA0177E
AV-254
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITH NAVIGATION]
SUBWOOFER
SUBWOOFER
Description
INFOID:0000000006166610
The audio unit sends audio signals to the audio amp. The audio amp. amplifies the audio signals before send-
ing them to the subwoofer using the audio signal circuits.
Diagnosis Procedure
INFOID:0000000006166611
Regarding Wiring Diagram information, refer to
AV-285, "Wiring Diagram - With Navigation System"
.
1.
SUBWOOFER HARNESS CHECK
1. Disconnect audio amp. connector M112 and subwoofer connec-
tor B72.
2. Check continuity between audio amp. harness connector M112
(A) and subwoofer harness connector B72 (B).
3. Check continuity between audio amp. harness connector M112 (A) and ground.
Are the continuity test results as specified?
YES
>> GO TO 2.
NO
>> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.
SUBWOOFER SIGNAL CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
M112
2
B72
1
Yes
3
3
18
2
19
4
A
—
Continuity
Connector
Terminal
M112
2
Ground
No
3
18
19
AWNIA1313ZZ
AV
SUBWOOFER
AV-255
< 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 M112 and subwoofer connector
B72.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio amp. harness connector M112
terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified?
YES
>> Replace subwoofer. Refer to
NO
>> GO TO 3.
3.
PRE-AMP HARNESS CHECK
1. Disconnect audio unit connector M44 and audio amp. connector
M113.
2. Check continuity between audio unit harness connector M44 (A)
and audio amp. harness connector M113 (B).
3. Check continuity between audio unit harness connector M44 (A)
and ground.
Are the 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
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M112
2
18
Receive au-
dio signal
3
19
ALNIA0732GB
SKIA0177E
A
B
Continuity
Connector
Terminal
Connector
Terminal
M44
13
M113
8
Yes
14
24
15
7
16
23
A
—
Continuity
Connector
Terminal
M44
13
Ground
No
14
15
16
ALNIA0729GB
AV-256
< DTC/CIRCUIT DIAGNOSIS >
[PREMIUM WITH NAVIGATION]
SUBWOOFER
1. Connect audio unit connector M44 and audio amp. connector
M113.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M44
terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage reading as specified?
YES
>> Replace audio amp. Refer to
NO
>> Replace audio unit. Refer to
Connector
Terminals
Condition
Reference
signal
(+)
(-)
M44
14
13
Receive
audio sig-
nal
16
15
AWNIA1616ZZ
SKIA0177E
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