Nissan Titan A60. Instruction — part 47
AV
FRONT DOOR SPEAKER
AV-13
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT DOOR SPEAKER
Description
INFOID:0000000006166440
The audio unit sends audio signals to the front door speakers using the front door speaker circuits.
Diagnosis Procedure
INFOID:0000000006166441
Regarding Wiring Diagram information, refer to
1.
HARNESS CHECK
1. Disconnect audio unit connector M168 and suspect speaker
connector.
2. Check continuity between audio unit harness connector M168
(A) terminal and suspect speaker harness connector (B) termi-
nal.
3. Check continuity between audio unit harness connector M168
(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 SPEAKER SIGNAL CHECK
A
B
Continuity
Connector
Terminal
Connector
Terminal
M168
2
D12
1
Yes
3
2
11
D112
1
12
2
A
—
Continuity
Connector
Terminal
M168
2
Ground
No
3
11
12
AWNIA0031ZZ
AV-14
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
FRONT DOOR SPEAKER
1. Connect audio unit connector M168 and front speaker connec-
tor.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M168
terminals 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
M168
2
3
Receive
audio sig-
nal
11
12
AWNIA0032ZZ
SKIA0177E
AV
FRONT TWEETER
AV-15
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
FRONT TWEETER
Description
INFOID:0000000006166442
The audio unit sends audio signals to the front tweeters using the front tweeter circuits.
Diagnosis Procedure
INFOID:0000000006166443
Regarding Wiring Diagram information, refer to
1.
HARNESS CHECK
1. Disconnect audio unit connector M168 and suspect front tweeter
connector.
2. Check continuity between audio unit harness connector M168
(A) and suspect front tweeter harness connector (B).
3. Check continuity between audio unit harness connector M168
(A) and ground.
Are the continuity 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
M168
2
M109
1
Yes
3
2
11
M111
1
12
2
A
—
Continuity
Connector
Terminal
M168
2
Ground
No
3
11
12
AWNIA0031ZZ
AV-16
< DTC/CIRCUIT DIAGNOSIS >
[BASE AUDIO]
FRONT TWEETER
1. Connect audio unit connector M168 and front tweeter connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M168
terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified?
YES
>> Replace the suspect front tweeter. Refer to
.
NO
>> Replace audio unit. Refer to
(+)
(-)
Condition
Reference signal
Con-
nector
Terminal
Terminal
M168
2
3
Receive
audio sig-
nal
11
12
AWNIA0032ZZ
SKIA0177E
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